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Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Jun. 30, 2015	Jul. 30, 2015
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Entity Registrant Name	CASS INFORMATION SYSTEMS INC
Entity Central Index Key	0000708781
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		11,420,692

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets
Cash and due from banks	$ 13,216	$ 11,307
Interest-bearing deposits in other financial institutions	105,672	200,966
Federal funds sold and other short-term investments	39,723	82,062
Cash and cash equivalents	158,611	294,335
Securities available-for-sale, at fair value	347,820	356,141
Loans	675,167	669,346
Less: Allowance for loan losses	11,902	11,894
Loans, net	663,265	657,452
Premises and equipment, net	18,827	16,909
Investment in bank-owned life insurance	15,678	15,429
Payments in excess of funding	120,510	120,227
Goodwill	11,590	11,590
Other intangible assets, net	2,597	2,762
Other assets	27,982	25,886
Total assets	1,366,880	1,500,731
Liabilities and Shareholders' Equity
Noninterest-bearing	162,015	158,999
Interest-bearing	393,395	459,200
Total deposits	555,410	618,199
Accounts and drafts payable	584,532	655,428
Other liabilities	29,495	26,672
Total liabilities	1,169,437	1,300,299
Shareholders' Equity:
Preferred stock, par value $.50 per share; 2,000,000 shares authorized and no shares issued
Common stock, par value $.50 per share; 40,000,000 shares authorized and 11,931,147 shares issued at June 30, 2015 and December 31, 2014	5,966	5,966
Additional paid-in capital	125,416	126,169
Retained earnings	96,910	90,635
Common shares in treasury, at cost (510,455 shares at June 30, 2015 and 428,572 shares at December 31, 2014)	(17,837)	(12,707)
Accumulated other comprehensive loss	(13,012)	(9,631)
Total shareholders' equity	197,443	200,432
Total liabilities and shareholders' equity	$ 1,366,880	$ 1,500,731

CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS [Abstract]
Preferred stock, par value per share	$ 0.50	$ 0.50
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Common stock, par value per share	$ 0.50	$ 0.50
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	11,931,147	11,931,147
Treasury stock, shares	510,455	428,572

CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Fee Revenue and Other Income:
Information services payment and processing revenue	$ 19,699	$ 19,554	$ 39,117	$ 37,951
Bank service fees	299	271	600	556
Gains on sales of securities	690		1,639
Other	150	127	314	1,020
Total fee revenue and other income	20,838	19,952	41,670	39,527
Interest Income:
Interest and fees on loans	7,356	7,475	14,442	14,780
Interest and dividends on securities:
Taxable	12	9	15	14
Exempt from federal income taxes	2,322	2,352	4,625	4,662
Interest on federal funds sold and other short-term investments	113	139	273	291
Total interest income	9,803	9,975	19,355	19,747
Interest Expense:
Interest on deposits	521	628	1,112	1,253
Net interest income	9,282	9,347	18,243	18,494
Provision for loan losses
Net interest income after provision for loan losses	9,282	9,347	18,243	18,494
Total net revenue	30,120	29,299	59,913	58,021
Operating Expense:
Salaries and employee benefits	17,543	16,464	34,869	32,651
Occupancy	856	756	1,693	1,562
Equipment	1,070	1,121	2,141	2,147
Amortization of intangible assets	102	121	203	241
Other operating expense	3,069	2,844	6,042	5,730
Total operating expense	22,640	21,306	44,948	42,331
Income before income tax expense	7,480	7,993	14,965	15,690
Income tax expense	1,932	1,958	3,878	3,844
Net income	$ 5,548	$ 6,035	$ 11,087	$ 11,846
Basic earnings per share	$ 0.49	$ 0.52	$ 0.97	$ 1.03
Diluted earnings per share	$ 0.48	$ 0.52	$ 0.96	$ 1.02

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Comprehensive income:
Net income	$ 5,548	$ 6,035	$ 11,087	$ 11,846
Other comprehensive income:
Net unrealized gain (loss) on securities available-for-sale	(5,068)	3,395	(3,572)	7,084
Tax effect	1,884	(1,261)	1,327	(2,632)
Reclassification adjustments for gains included in net income	(690)		(1,639)
Tax effect	242		574
Foreign currency translation adjustments	(7)	(8)	(71)	(13)
Total comprehensive income	$ 1,909	$ 8,161	$ 7,706	$ 16,285

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	Jun. 30, 2015	Jun. 30, 2014
Cash Flows From Operating Activities:
Net income	$ 11,087,000	$ 11,846,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,214,000	4,051,000
Net gains on sales of securities	(1,639,000)
Stock-based compensation expense	1,031,000	1,031,000
Deferred income tax expense	(1,911,000)
(Decrease) increase in income tax liability	(284,000)	923,000
Increase in pension liability	2,419,000	356,000
Other operating activities, net	2,102,000	395,000
Net cash provided by operating activities	17,019,000	18,602,000
Cash Flows From Investing Activities:
Proceeds from sales of securities available-for-sale	65,952,000
Proceeds from maturities of securities available-for-sale	21,460,000	8,290,000
Purchase of securities available-for-sale	(85,264,000)	(13,362,000)
Net increase in loans	(5,813,000)	(13,352,000)
Increase in payments in excess of funding	(283,000)	(46,627,000)
Purchases of premises and equipment, net	(3,384,000)	(2,948,000)
Net cash used in investing activities	(7,332,000)	(67,999,000)
Cash Flows From Financing Activities:
Net increase in noninterest-bearing demand deposits	3,016,000	3,823,000
Net decrease in interest-bearing demand and savings deposits	(56,514,000)	(21,153,000)
Net decrease in time deposits	(9,291,000)	(13,655,000)
Net (decrease) increase in accounts and drafts payable	(70,896,000)	41,905,000
Cash dividends paid	(4,812,000)	(4,612,000)
Purchase of common shares for treasury	(6,128,000)
Other financing activities, net	(786,000)	(450,000)
Net cash (used in) provided by financing activities	(145,411,000)	5,858,000
Net decrease in cash and cash equivalents	(135,724,000)	(43,539,000)
Cash and cash equivalents at beginning of period	294,335,000	225,262,000
Cash and cash equivalents at end of period	158,611,000	181,723,000
Supplemental information:
Cash paid for interest	1,114,000	1,103,000
Cash paid for income taxes	$ 3,634,000	$ 2,737,000

Basis of Presentation	6 Months Ended
Basis of Presentation	Jun. 30, 2015
Basis of Presentation [Abstract]
Basis of Presentation	Note 1 - Basis of Presentation The accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation have been included. For further information, refer to the audited consolidated financial statements and related footnotes included in Cass Information System, Inc.'s (the “Company” or “Cass”) Annual Report on Form 10-K for the year ended December 31, 2014.

Intangible Assets

6 Months Ended

Jun. 30, 2015

Intangible Assets [Abstract]

Intangible Assets

Note 2 – Intangible Assets

The Company accounts for intangible assets in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 350, “Goodwill and Other Intangible Assets,” (“FASB ASC 350”), which requires that intangibles with indefinite useful lives be tested annually for impairment and those with finite useful lives be amortized over their useful lives.

Details of the Company's intangible assets are as follows:

		June 30, 2015				December 31, 2014
	Gross Carrying		Accumulated			Gross Carrying		Accumulated
*(In thousands)*	Amount		Amortization			Amount		Amortization
Assets eligible for amortization:
Customer lists	$	3,933		(1,864	)	$	3,933	$	(1,705)
Patents		60		(2	)		23		(1)
Non-compete agreements		261		(183	)		261		(157)
Software		234		(234	)		234		(234)
Other		500		(108	)		500		(92)
Unamortized intangible assets:
Goodwill¹		11,817		227	)		11,817		(227)
Total intangible assets	$	16,805	$	(2,618	)	$	16,768	$	(2,416)

¹	Amortization through December 31, 2001 prior to adoption of FASB ASC 350.

The customer lists are amortized over seven and ten years; the patents over 18 years; the non-compete agreements over five years; software over three years; and other intangible assets over fifteen years. Amortization of intangible assets amounted to $203,000 and $241,000 for the six-month periods ended June 30, 2015 and 2014, respectively. Estimated future amortization of intangibles is as follows: $406,000 in 2015, $407,000 in 2016, $355,000 in each of 2017, 2018 and 2019.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Earnings Per Share

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Earnings Per Share

Note 3 – Earnings Per Share

Basic earnings per share is computed by dividing net income by the weighted-average number of common shares outstanding. Diluted earnings per share is computed by dividing net income by the sum of the weighted-average number of common shares outstanding and the weighted-average number of potential common shares outstanding. There were no anti-dilutive shares in the six months ended June 30, 2015 and 2014. The calculations of basic and diluted earnings per share are as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
*(In thousands except share and per share data)*	2015		2014		2015		2014
Basic
Net income	$	5,548	$	6,035	$	11,087	$	11,846
Weighted-average common shares outstanding		11,388,907		11,489,423		11,414,489		11,483,801
Basic earnings per share	$	.49	$	.52	$	.97	$	1.03

Diluted
Net income	$	5,548	$	6,035	$	11,087	$	11,846
Weighted-average common shares outstanding		11,388,907		11,489,423		11,414,489		11,483,801
Effect of dilutive restricted stock and stock appreciation rights		163,898		169,724		162,705		182,146
Weighted-average common shares outstanding assuming dilution		11,552,805		11,659,147		11,577,194		11,665,947
Diluted earnings per share	$	.48	$	.52	$	.96	$	1.02

Stock Repurchases	6 Months Ended
Stock Repurchases	Jun. 30, 2015
Stock Repurchases [Abstract]
Stock Repurchases	Note 4 – Stock Repurchases The Company maintains a treasury stock buyback program pursuant to which the Board of Directors has authorized the repurchase of up to 500,000 shares of the Company's common stock. The Company repurchased 55,297 and 0 shares during the three-month periods and 124,585 and 0 for the six-month periods ended June 30, 2015 and 2014, respectively. As of June 30, 2015, 355,455 shares remained available for repurchase under the program. Repurchases may be made in the open market or through negotiated transactions from time to time depending on market conditions.

Industry Segment Information

6 Months Ended

Jun. 30, 2015

Industry Segment Information [Abstract]

Industry Segment Information

Note 5 – Industry Segment Information

The services provided by the Company are classified into two reportable segments: Information Services and Banking Services. Each of these segments provides distinct services that are marketed through different channels. They are managed separately due to their unique service, processing and capital requirements.

The Information Services segment provides transportation, energy, telecommunication, and environmental invoice processing and payment services to large corporations. The Banking Services segment provides banking services primarily to privately held businesses and churches.

The Company's accounting policies for segments are the same as those described in the summary of significant accounting policies in the Company's Annual Report on Form 10-K for the year ended December 31, 2014. Management evaluates segment performance based on net income after allocations for corporate expenses and income taxes. Transactions between segments are accounted for at what management believes to be fair value.

Substantially all revenue originates from, and all long-lived assets are located within the United States, and no revenue from any customer of any segment exceeds 10% of the Company's consolidated revenue.

Assets represent actual assets owned by Information Services and Banking Services and there is no allocation methodology used. Segment interest from customers is the actual interest earned on the loans owned by Information Services and Banking Services, respectively.

Summarized information about the Company's operations in each industry segment is as follows:

					Corporate,
	Information		Banking		Eliminations
*(In thousands)*	Services		Services		and Other			Total
Three Months Ended June 30, 2015
Fee revenue and other income:
Income from customers	$	24,152	$	5,968	$	—		$	30,120
Intersegment income (expense)		2,350		433		(2,783)			—
Net income		3,591		1,957		—			5,548
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,597		—		—			2,597
Total assets		709,754		675,777		(18,651)			1,366,880
Three Months Ended June 30, 2014
Fee revenue and other income:
Income from customers	$	23,737	$	5,562	$	—		$	29,299
Intersegment income (expense)		2,160		374		(2,534	)		—
Net income		4,280		1,755		—			6,035
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,981		—		—			2,981
Total assets		709,693		663,546		(21,528	)		1,351,711
Six Months Ended June 30, 2015
Fee revenue and other income:
Income from customers	$	48,426	$	11,487	$	—		$	59,913
Intersegment income (expense)		4,544		856		(5,400)			—
Net income		7,407		3,680		—			11,087
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,597		—		—			2,597
Total assets		709,754		675,777		(18,651)			1,366,880
Six Months Ended June 30, 2014
Fee revenue and other income
Income from customers	$	46,952	$	11,069	$	—		$	58,021
Intersegment income (expense)		4,302		730		(5,032	)		—
Net income		8,380		3,466		—			11,846
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,981		—		—			2,981
Total assets		709,693		663,546		(21,528	)		1,351,711

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 34
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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+ Details

Loans by Type

6 Months Ended

Jun. 30, 2015

Loans by Type [Abstract]

Loans by Type

Note 6 – Loans by Type

A summary of loan categories is as follows:

	June 30,		December 31,
*(In thousands)*	2015		2014
Commercial and industrial	$	208,566	$	203,350
Real estate
Commercial:
Mortgage		115,338		117,754
Construction		—		—
Church, church-related:
Mortgage		308,236		305,887
Construction		21,267		18,612
Industrial Revenue Bonds		21,723		23,348
Other		37		395
Total loans	$	675,167	$	669,346

The following table presents the aging of loans by loan categories at June 30, 2015 and December 31, 2014:

	Performing						Nonperforming
								90 Days
				30-59		60-89		and		Non-	Total
*(In thousands)*	Current		Days		Days		Over		accrual		Loans
June 30, 2015
Commercial and industrial	$	208,566	$	—	$	—	$	—	$	—	$	208,566
Real estate
Commercial:
Mortgage		112,276		—		—		—		3,062		115,338
Construction		—		—		—		—		—		—
Church, church-related:
Mortgage		308,122		—		—		—		114		308,236
Construction		21,267		—		—		—		—		21,267
Industrial Revenue Bonds		21,723		—		—		—		—		21,723
Other		37		—		—		—		—		37
Total	$	671,991	$	—	$	—	$	—	$	3,176	$	675,167
December 31, 2014
Commercial and industrial	$	203,350	$	—	$	—	$	—	$	—	$	203,350
Real estate
Commercial:
Mortgage		117,393		—		—		—		361		117,754
Construction		—		—		—		—		—		—
Church, church-related:
Mortgage		305,760		—		—		—		127		305,887
Construction		18,612		—		—		—		—		18,612
Industrial Revenue Bonds		23,348		—		—		—		—		23,348
Other		395		—		—		—		—		395
Total	$	668,858	$	—	$	—	$	—	$	488	$	669,346

The following table presents the credit exposure of the loan portfolio as of June 30, 2015 and December 31, 2014:

	Loans		Performing		Nonperforming
	Subject to		Loans Subject to		Loans Subject
	Normal		Special		to Special
*(In thousands)*	Monitoring¹		Monitoring²		Monitoring²		Total Loans
June 30, 2015
Commercial and industrial	$	205,153	$	3,413	$	-	$	208,566
Real estate
Commercial:
Mortgage		101,487		10,789		3,062		115,338
Construction		—		—		—		—
Church, church-related:
Mortgage		303,498		4,624		114		308,236
Construction		21,267		—		—		21,267
Industrial Revenue Bonds		21,723		—		—		21,723
Other		37		—		—		37
Total	$	653,165	$	18,826	$	3,176	$	675,167
December 31, 2014
Commercial and industrial	$	199,837	$	3,513	$	—	$	203,350
Real estate
Commercial:
Mortgage		103,097		14,296		361		117,754
Construction		—		—		—		—
Church, church-related:
Mortgage		304,219		1,541		127		305,887
Construction		18,612		—		—		18,612
Industrial Revenue Bonds		23,348		—		—		23,348
Other		395		—		—		395
Total	$	649,508	$	19,350	$	488	$	669,346

¹	Loans subject to normal monitoring involve borrowers of acceptable-to-strong credit quality and risk, who have the apparent ability to satisfy their loan obligations.

²	Loans subject to special monitoring possess some credit deficiency or potential weakness which requires a high level of management attention.

Impaired loans consist primarily of nonaccrual loans, loans greater than 90 days past due and still accruing interest and troubled debt restructurings, both performing and nonperforming. Troubled debt restructuring involves the granting of a concession to a borrower experiencing financial difficulty resulting in the modification of terms of the loan, such as changes in payment schedule or interest rate. Management measures impairment in accordance with FASB ASC 310, “Allowance for Credit Losses.” At June 30, 2015 and December 31, 2014, all impaired loans were evaluated based on the fair value of the collateral. The fair value of the collateral is based upon an observable market price or current appraised value and therefore, the Company classifies these assets as nonrecurring Level 3. There were no loans delinquent 90 days or more and still accruing interest at June 30, 2015 and December 31, 2014. There were no loans classified as troubled debt restructuring at June 30, 2015 and December 31, 2014.

There were no foreclosed loans recorded as other real estate owned (included in other assets) as of June 30, 2015, and December 31, 2014.

The following table presents the recorded investment and unpaid principal balance for impaired loans at June 30, 2015 and December 31, 2014:

			Unpaid		Related
	Recorded		Principal		Allowance for
*(In thousands)*	Investment		Balance		Loan Losses
June 30, 2015
Commercial and industrial:
Nonaccrual	$	—	$	—	$	—
Real estate
Commercial – Mortgage:
Nonaccrual		3,062		3,062		1,127
Church – Mortgage:
Nonaccrual		114		114		114
Total impaired loans	$	3,176	$	3,176	$	1,241
December 31, 2014
Commercial and industrial:
Nonaccrual	$	—	$	—	$	—
Real estate
Commercial – Mortgage:
Nonaccrual		361		361		—
Church – Mortgage:
Nonaccrual		127		127		127
Total impaired loans	$	488	$	488	$	127

A summary of the activity in the allowance for loan losses from December 31, 2014 to June 30, 2015 is as follows:

	December 31,		Charge-							June 30,
*(In thousands)*	2014		Offs		Recoveries		Provision			2015
Commercial and industrial	$	3,515	$	—	$	7	$	78		$	3,600
Real estate
Commercial:
Mortgage		3,060		—		—		(57	)		3,003
Construction		—		—		—		—			—
Church, church-related:
Mortgage		4,016		—		1		52			4,069
Construction		140		—		—		20			160
Industrial Revenue Bonds		394		—		—		(27	)		367
Other		769		—		—		(66	)		703
Total	$	11,894	$	—	$	8	$	—		$	11,902

A summary of the activity in the allowance for loan losses from December 31, 2013 to June 30, 2014 is as follows:

	December 31,		Charge-							June 30,
*(In thousands)*	2013		Offs		Recoveries		Provision			2014
Commercial and industrial	$	3,036	$	3	$	30	$	18		$	3,081
Real estate
Commercial:
Mortgage		3,946		—		221		335			4,502
Construction		151		—		—		(8	)		143
Church, church-related:
Mortgage		4,354		76		2		(384	)		3,896
Construction		124		—		—		49			173
Industrial Revenue Bonds		68		—		—		(11	)		57
Other		—		—		—		1			1
Total	$	11,679	$	79	$	253	$	—		$	11,853

Commitments and Contingencies

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Note 7 – Commitments and Contingencies

In the normal course of business, the Company is party to activities that contain credit, market and operational risks that are not reflected in whole or in part in the Company's consolidated financial statements. Such activities include traditional off-balance sheet credit-related financial instruments and commitments under operating leases. These financial instruments include commitments to extend credit, commercial letters of credit and standby letters of credit. The Company's maximum potential exposure to credit loss in the event of nonperformance by the other party to the financial instrument for commitments to extend credit, commercial letters of credit and standby letters of credit is represented by the contractual amounts of those instruments. At June 30, 2015 and December 31, 2014, no amounts have been accrued for any estimated losses for these instruments.

Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commercial and standby letters of credit are conditional commitments issued by the Company or its subsidiaries to guarantee the performance of a customer to a third party. These off-balance sheet financial instruments generally have fixed expiration dates or other termination clauses and may require payment of a fee. The balance of unused loan commitments, standby and commercial letters of credit were $8,297,000, $11,735,000, and $1,542,000 at June 30,2015 and were $19,066,000, $12,693,000 and $2,571,000 at December 31,2014, respectively. Since some of the financial instruments may expire without being drawn upon, the total amounts do not necessarily represent future cash requirements. Commitments to extend credit and letters of credit are subject to the same underwriting standards as those financial instruments included on the consolidated balance sheets. The Company evaluates each customer's credit worthiness on a case-by-case basis. The amount of collateral obtained, if deemed necessary upon extension of the credit, is based on management's credit evaluation of the borrower. Collateral held varies, but is generally accounts receivable, inventory, residential or income-producing commercial property or equipment. In the event of nonperformance, the Company or its subsidiaries may obtain and liquidate the collateral to recover amounts paid under guarantees on these financial instruments.

The following table summarizes contractual cash obligations of the Company related to operating lease commitments and time deposits at June 30, 2015:

	Amount of Commitment Expiration per Period
				Less than		1-3		3-5		Over 5
*(In thousands)*		Total		1 Year		Years		Years		Years
Operating lease commitments	$	6,834	$	1,321	$	2,350	$	1,459	$	1,704
Time deposits		70,484		56,742		12,690		1,052		—
Total	$	77,318	$	58,063	$	15,040	$	2,511	$	1,704

The Company and its subsidiaries are involved in various pending legal actions and proceedings in which claims for damages are asserted. Management, after discussion with legal counsel, believes the ultimate resolution of these legal actions and proceedings will not have a material effect upon the Company's consolidated financial position or results of operations.

Stock-Based Compensation

6 Months Ended

Jun. 30, 2015

Stock-Based Compensation [Abstract]

Stock-Based Compensation

Note 8 – Stock-Based Compensation

The Amended and Restated Omnibus Stock and Performance Compensation Plan (the “Omnibus Plan”) permits the issuance of up to 1,500,000 shares of the Company's common stock in the form of stock options, stock appreciation rights (“SARs”), restricted stock, restricted stock units and performance awards. The Company issues shares out of treasury stock for these awards. During the six months ended June 30, 2015, 41,518 restricted shares and 0 SARs were granted under the Omnibus Plan.

Restricted Stock
Restricted shares granted prior to April 16, 2013 are amortized to expense over a three-year vesting period. Beginning on April 16, 2013, restricted shares granted to Company employees are amortized to expense over a three-year vesting period whereas restricted shares granted to members of the Board of Directors are amortized to expense over a one-year service period, with the exception of those shares granted in lieu of cash payments for retainer fees which are expensed in the period earned. As of June 30, 2015, the total unrecognized compensation expense related to non-vested restricted shares was $2,480,000, and the related weighted-average period over which it is expected to be recognized is approximately 1.1 years.

Following is a summary of the activity of the restricted stock:

	Six Months Ended
	June 30, 2015
	Shares		Fair Value
Balance at December 31, 2014	51,161		$	48.13
Granted	41,518		$	51.04
Vested	(24,644	)	$	44.18
Forfeits	(262)		$	52.63
Balance at June 30, 2015	67,773		$	51.33

SARs
SARs vest over a three-year period, with one-third of the shares vesting and becoming exercisable each year on the anniversary date of the grant, and they expire 10 years from the original grant date. As of June 30, 2015, the total unrecognized compensation expense was $529,000, and the related weighted-average period over which it is expected to be recognized is 0.7 years. Following is a summary of the activity of the Company's SARs program for the six-month period ended June 30, 2015:

			Weighted-		Average	Aggregate
			Average		Remaining	Intrinsic
			Exercise		Contractual	Value
	Shares		Price		Term Years	*(In thousands)*
Outstanding at December 31, 2014	353,955		$	35.52	6.77	$	6,277
Exercised	(37,834	)	$	28.56
Forfeits	(1,204	)	$	53.96
Outstanding at June 30, 2015	314,917		$	36.28	6.45		6,279
Exercisable at June 30, 2015	262,410		$	33.30	6.11	$	6,014

Following is a summary of the activity of the non-vested SARs during the six-month period ended June 30, 2015:

			Weighted-Average
	Shares		Grant Date Fair Value
Non-vested at December 31, 2014	124,982		$	45.85
Vested	(71,514	)	$	41.87
Forfeits	(961	)	$	52.02
Non-vested at June 30, 2015	52,507		$	51.17

The Company uses the Black-Scholes pricing model to determine the fair value of the SARs at the date of grant. Following are the assumptions used to estimate the per-share fair value of SARs granted:

	Six Months Ended June 30,
	2015	2014
Risk-free interest rate	N/A	2.38	%
Expected life	N/A	7 yrs.
Expected volatility	N/A	28.11	%
Expected dividend yield	N/A	1.30	%

The risk-free interest rate is based on the zero-coupon U.S. Treasury yield for the period equal to the expected life of the SARs at the time of the grant. The expected life was derived using the historical exercise activity. The Company uses historical volatility for a period equal to the expected life of the rights using average monthly closing market prices of the Company's stock as reported on The Nasdaq Global Market. The expected dividend yield is based on the Company's current rate of annual dividends.

Defined Pension Plans

6 Months Ended

Jun. 30, 2015

Defined Pension Plans [Abstract]

Defined Pension Plans

Note 9 – Defined Pension Plans

The Company has a noncontributory defined-benefit pension plan, which covers most of its employees. The Company accrues and makes contributions designed to fund normal service costs on a current basis using the projected unit credit with service proration method to amortize prior service costs arising from improvements in pension benefits and qualifying service prior to the establishment of the plan over a period of approximately 30 years. Disclosure information is based on a measurement date of December 31 of the corresponding year. The following table represents the components of the net periodic pension costs for 2014 and an estimate for 2015:

	Estimated			Actual
*(In thousands)*	2015			2014
Service cost – benefits earned during the year	$	3,977		$	3,003
Interest cost on projected benefit obligations		3,217			3,037
Expected return on plan assets		(4,863	)		(4,711)
Net amortization and deferral		1,605			244
Net periodic pension cost	$	3,936		$	1,573

Pension costs recorded to expense were $977,000 and $410,000 for the three-month periods ended June 30, 2015 and 2014, respectively, and totaled $1,968,000 and $820,000 for the six-month periods ended June 30, 2015 and 2014, respectively. Pension costs increased significantly in 2015 due to a decrease in the discount rate assumption and the use of the updated mortality tables. The Company made no contribution to the plan during the six-month period ended June 30, 2015 and is evaluating the amount of additional contributions, if any, in 2015.

In addition to the above funded benefit plan, the Company has an unfunded supplemental executive retirement plan which covers key executives of the Company. This is a noncontributory plan in which the Company and its subsidiaries make accruals designed to fund normal service costs on a current basis using the same method and criteria as its defined benefit plan. The following table represents the components of the net periodic pension costs for 2014 and an estimate for 2015:

	Estimated		Actual
*(In thousands)*	2015		2014
Service cost – benefits earned during the year	$	140	$	136
Interest cost on projected benefit obligation		348		377
Net amortization		654		431
Net periodic pension cost	$	1,142	$	944

Pension costs recorded to expense were $286,000 and $236,000 for the three-month periods ended June 30, 2015 and 2014, respectively, and were $571,000 and $472,000 for the six-month periods ended June 30, 2015 and 2014, respectively.

Income Taxes	6 Months Ended
Income Taxes	Jun. 30, 2015
Income Taxes [Abstract]
Income Taxes	Note 10 – Income Taxes As of June 30, 2015, the Company's unrecognized tax benefits were approximately $1,266,000, of which $933,000 would, if recognized, affect the Company's effective tax rate. As of December 31, 2014, the Company's unrecognized tax benefits were approximately $1,117,000, of which $819,000 would, if recognized, affect the Company's effective tax rate. During the next 12 months, the Company may realize a reduction of its unrecognized tax benefits of approximately $210,000 due to the lapse of federal and state statutes of limitations. The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. The Company had $62,000 and $45,000 of gross interest accrued as of June 30, 2015 and December 31, 2014, respectively. There were no penalties for unrecognized tax benefits accrued at June 30, 2015 and December 31, 2014. The Company is subject to income tax in the U.S. federal jurisdiction and numerous state jurisdictions. U.S. federal income tax returns for tax years 2011 through 2013 remain subject to examination by the Internal Revenue Service. In addition, the Company is subject to state tax examinations for the tax years 2011 through 2013.

Investment in Securities

6 Months Ended

Jun. 30, 2015

Investment in Securities [Abstract]

Investment in Securities

Note 11 – Investment in Securities

Investment securities available-for-sale are recorded at fair value on a recurring basis. The Company's investment securities available-for-sale are measured at fair value using Level 2 valuations. The market evaluation utilizes several sources which include “observable inputs” rather than “significant unobservable inputs” and therefore fall into the Level 2 category. The amortized cost, gross unrealized gains, gross unrealized losses and fair value of investment securities are summarized as follows:

	June 30, 2015
			Gross		Gross
	Amortized		Unrealized		Unrealized
*(In thousands)*	Cost		Gains		Losses		Fair Value
State and political subdivisions	$	335,414	$	9,858	$	1,202	$	344,070
Certificates of deposit		3,750		—		—		3,750
Total	$	339,164	$	9,858	$	1,202	$	347,820

	December 31, 2014
			Gross		Gross
	Amortized		Unrealized		Unrealized
*(In thousands)*	Cost		Gains		Losses		Fair Value
State and political subdivisions	$	338,469	$	14,120	$	198	$	352,391
Certificates of deposit		3,750		—		—		3,750
Total	$	342,219	$	14,120	$	198	$	356,141

The fair values of securities with unrealized losses are as follows:

	June 30, 2015
	Less than 12 months				12 months or more				Total
	Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
*(In thousands)*	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
State and political subdivisions	$	103,552	$	1,164	$	1,195	$	38	$	104,747	$	1,202
Certificates of deposit		—		—		—		—		—		—
Total	$	103,552	$	1,164	$	1,195	$	38	$	104,747	$	1,202

	December 31, 2014
	Less than 12 months				12 months or more				Total
	Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
*(In thousands)*	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
State and political subdivisions	$	8,700	$	15	$	13,833	$	183	$	22,533	$	198
Certificates of deposit		—		—		—		—		—		—
Total	$	8,700	$	15	$	13,833	$	183	$	22,533	$	198

There were 87 securities, or 25% of the total (one greater than 12 months), in an unrealized loss position as of June 30, 2015. There were 20 securities, or 6% of the total (12 greater than 12 months), in an unrealized loss position as of December 31, 2014. All unrealized losses were reviewed to determine whether the losses were other than temporary. Management believes that all unrealized losses are temporary since they were market driven, and it is more likely than not that the Company will not be required to sell prior to recovery of the amortized basis.

The amortized cost and fair value of investment securities by contractual maturity are shown in the following table. Expected maturities may differ from contractual maturities because borrowers have the right to prepay obligations with or without prepayment penalties.

	June 30, 2015
*(In thousands)*	Amortized Cost		Fair Value
Due in 1 year or less	$	23,893	$	24,055
Due after 1 year through 5 years		88,356		92,275
Due after 5 years through 10 years		130,452		134,615
Due after 10 years		96,463		96,875
Total	$	339,164	$	347,820

Proceeds from sales of investment securities classified as available for sale were $20,754,000 and $0 for the three months ended June 30, 2015 and 2014, respectively, and were $65,952,000 and $0 for the six months ended June 30, 2015 and 2014 respectively. Gross realized gains were $690 and $0 for the three months ended June 30, 2015 and 2014, respectively, and were $1,639 and $0 for the six months ended June 30, 2015 and 2014 respectively. There was one security totaling $3,750,000 pledged to secure public deposits and for other purposes at June 30, 2015.

- Definition

The entire disclosure for investments in certain debt and equity securities.

+ References + Details

Fair Value of Financial Instruments

6 Months Ended

Jun. 30, 2015

Fair Value of Financial Instruments [Abstract]

Fair Value of Financial Instruments

Note 12 – Fair Value of Financial Instruments

Following is a summary of the carrying amounts and fair values of the Company's financial instruments:

	June 30, 2015				December 31, 2014
	Carrying				Carrying
*(In thousands)*	Amount		Fair Value		Amount		Fair Value
Balance sheet assets:
Cash and cash equivalents	$	158,611	$	158,611	$	294,335	$	294,335
Investment securities		347,820		347,820		356,141		356,141
Loans, net		663,265		670,353		657,452		663,247
Accrued interest receivable		5,951		5,951		6,521		6,521
Total	$	1,175,647	$	1,182,735	$	1,314,449	$	1,320,244
Balance sheet liabilities:
Deposits	$	555,410	$	555,823	$	618,199	$	618,199
Accounts and drafts payable		584,532		584,532		655,428		655,428
Accrued interest payable		55		55		57		57
Total	$	1,139,997	$	1,140,410	$	1,273,684	$	1,273,684

The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value:

Cash and Cash Equivalents - The carrying amount approximates fair value.

Investment in Securities - The fair value is measured on a recurring basis using Level 2 valuations. Refer to Note 11, “Investment in Securities,” for fair value and unrealized gains and losses by investment type.

Loans - The fair value is estimated using present values of future cash flows discounted at risk-adjusted interest rates for each loan category designated by management and is therefore a Level 3 valuation. Management believes that the risk factor embedded in the interest rates along with the allowance for loan losses result in a fair valuation.

Impaired loans are valued using the fair value of the collateral which is based upon an observable market price or a current appraised value and therefore, the fair value is a nonrecurring Level 3 valuation.

Accrued Interest Receivable - The carrying amount approximates fair value.

Deposits - The fair value of demand deposits, savings deposits and certain money market deposits is the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit is estimated using the rates currently offered for deposits of similar remaining maturities and therefore, is a Level 2 valuation. The fair value estimates above do not include the benefit that results from the low-cost funding provided by the deposit liabilities compared to the cost of borrowing funds in the market or the benefit derived from the customer relationship inherent in existing deposits.

Accounts and Drafts Payable - The carrying amount approximates fair value.

Accrued Interest - The carrying amount approximates fair value.

There were no transfers between Levels 1 and 2 of the fair value hierarchy for the six months ended June 30, 2015 and 2014. No financial instruments are measured using Level 3 inputs for the six months ended June 30, 2015 and 2014.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2015
Subsequent Events [Abstract]
Subsequent Events	Note 13 – Subsequent Events In accordance with FASB ASC 855, “Subsequent Events,” the Company has evaluated subsequent events after the consolidated balance sheet date of June 30, 2015, and there were no events identified that would require additional disclosures to prevent the Company's unaudited consolidated financial statements from being misleading.

Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Intangible Assets [Abstract]

Schedule of Company's Intangible Assets

		June 30, 2015				December 31, 2014
	Gross Carrying		Accumulated			Gross Carrying		Accumulated
*(In thousands)*	Amount		Amortization			Amount		Amortization
Assets eligible for amortization:
Customer lists	$	3,933		(1,864	)	$	3,933	$	(1,705)
Patents		60		(2	)		23		(1)
Non-compete agreements		261		(183	)		261		(157)
Software		234		(234	)		234		(234)
Other		500		(108	)		500		(92)
Unamortized intangible assets:
Goodwill¹		11,817		227	)		11,817		(227)
Total intangible assets	$	16,805	$	(2,618	)	$	16,768	$	(2,416)

¹	Amortization through December 31, 2001 prior to adoption of FASB ASC 350.

Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

	Three Months Ended				Six Months Ended
	June 30,				June 30,
*(In thousands except share and per share data)*	2015		2014		2015		2014
Basic
Net income	$	5,548	$	6,035	$	11,087	$	11,846
Weighted-average common shares outstanding		11,388,907		11,489,423		11,414,489		11,483,801
Basic earnings per share	$	.49	$	.52	$	.97	$	1.03

Diluted
Net income	$	5,548	$	6,035	$	11,087	$	11,846
Weighted-average common shares outstanding		11,388,907		11,489,423		11,414,489		11,483,801
Effect of dilutive restricted stock and stock appreciation rights		163,898		169,724		162,705		182,146
Weighted-average common shares outstanding assuming dilution		11,552,805		11,659,147		11,577,194		11,665,947
Diluted earnings per share	$	.48	$	.52	$	.96	$	1.02

Industry Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Industry Segment Information [Abstract]

Summary of Company's Operations in Each Segment

					Corporate,
	Information		Banking		Eliminations
*(In thousands)*	Services		Services		and Other			Total
Three Months Ended June 30, 2015
Fee revenue and other income:
Income from customers	$	24,152	$	5,968	$	—		$	30,120
Intersegment income (expense)		2,350		433		(2,783)			—
Net income		3,591		1,957		—			5,548
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,597		—		—			2,597
Total assets		709,754		675,777		(18,651)			1,366,880
Three Months Ended June 30, 2014
Fee revenue and other income:
Income from customers	$	23,737	$	5,562	$	—		$	29,299
Intersegment income (expense)		2,160		374		(2,534	)		—
Net income		4,280		1,755		—			6,035
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,981		—		—			2,981
Total assets		709,693		663,546		(21,528	)		1,351,711
Six Months Ended June 30, 2015
Fee revenue and other income:
Income from customers	$	48,426	$	11,487	$	—		$	59,913
Intersegment income (expense)		4,544		856		(5,400)			—
Net income		7,407		3,680		—			11,087
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,597		—		—			2,597
Total assets		709,754		675,777		(18,651)			1,366,880
Six Months Ended June 30, 2014
Fee revenue and other income
Income from customers	$	46,952	$	11,069	$	—		$	58,021
Intersegment income (expense)		4,302		730		(5,032	)		—
Net income		8,380		3,466		—			11,846
Goodwill		11,454		136		—			11,590
Other intangible assets, net		2,981		—		—			2,981
Total assets		709,693		663,546		(21,528	)		1,351,711

Loans by Type (Tables)

6 Months Ended

Jun. 30, 2015

Loans by Type [Abstract]

Summary of Loan Categories

	June 30,		December 31,
*(In thousands)*	2015		2014
Commercial and industrial	$	208,566	$	203,350
Real estate
Commercial:
Mortgage		115,338		117,754
Construction		—		—
Church, church-related:
Mortgage		308,236		305,887
Construction		21,267		18,612
Industrial Revenue Bonds		21,723		23,348
Other		37		395
Total loans	$	675,167	$	669,346

Schedule of the Aging Loans by Loan Categories

	Performing						Nonperforming
								90 Days
				30-59		60-89		and		Non-	Total
*(In thousands)*	Current		Days		Days		Over		accrual		Loans
June 30, 2015
Commercial and industrial	$	208,566	$	—	$	—	$	—	$	—	$	208,566
Real estate
Commercial:
Mortgage		112,276		—		—		—		3,062		115,338
Construction		—		—		—		—		—		—
Church, church-related:
Mortgage		308,122		—		—		—		114		308,236
Construction		21,267		—		—		—		—		21,267
Industrial Revenue Bonds		21,723		—		—		—		—		21,723
Other		37		—		—		—		—		37
Total	$	671,991	$	—	$	—	$	—	$	3,176	$	675,167
December 31, 2014
Commercial and industrial	$	203,350	$	—	$	—	$	—	$	—	$	203,350
Real estate
Commercial:
Mortgage		117,393		—		—		—		361		117,754
Construction		—		—		—		—		—		—
Church, church-related:
Mortgage		305,760		—		—		—		127		305,887
Construction		18,612		—		—		—		—		18,612
Industrial Revenue Bonds		23,348		—		—		—		—		23,348
Other		395		—		—		—		—		395
Total	$	668,858	$	—	$	—	$	—	$	488	$	669,346

Schedule of Credit Exposure of the Loan Portfolio

	Loans		Performing		Nonperforming
	Subject to		Loans Subject to		Loans Subject
	Normal		Special		to Special
*(In thousands)*	Monitoring¹		Monitoring²		Monitoring²		Total Loans
June 30, 2015
Commercial and industrial	$	205,153	$	3,413	$	-	$	208,566
Real estate
Commercial:
Mortgage		101,487		10,789		3,062		115,338
Construction		—		—		—		—
Church, church-related:
Mortgage		303,498		4,624		114		308,236
Construction		21,267		—		—		21,267
Industrial Revenue Bonds		21,723		—		—		21,723
Other		37		—		—		37
Total	$	653,165	$	18,826	$	3,176	$	675,167
December 31, 2014
Commercial and industrial	$	199,837	$	3,513	$	—	$	203,350
Real estate
Commercial:
Mortgage		103,097		14,296		361		117,754
Construction		—		—		—		—
Church, church-related:
Mortgage		304,219		1,541		127		305,887
Construction		18,612		—		—		18,612
Industrial Revenue Bonds		23,348		—		—		23,348
Other		395		—		—		395
Total	$	649,508	$	19,350	$	488	$	669,346

¹	Loans subject to normal monitoring involve borrowers of acceptable-to-strong credit quality and risk, who have the apparent ability to satisfy their loan obligations.

²	Loans subject to special monitoring possess some credit deficiency or potential weakness which requires a high level of management attention.

Schedule of Recorded Investment and Unpaid Principal Balance for Impaired Loans

			Unpaid		Related
	Recorded		Principal		Allowance for
*(In thousands)*	Investment		Balance		Loan Losses
June 30, 2015
Commercial and industrial:
Nonaccrual	$	—	$	—	$	—
Real estate
Commercial – Mortgage:
Nonaccrual		3,062		3,062		1,127
Church – Mortgage:
Nonaccrual		114		114		114
Total impaired loans	$	3,176	$	3,176	$	1,241
December 31, 2014
Commercial and industrial:
Nonaccrual	$	—	$	—	$	—
Real estate
Commercial – Mortgage:
Nonaccrual		361		361		—
Church – Mortgage:
Nonaccrual		127		127		127
Total impaired loans	$	488	$	488	$	127

Summary of the Allowance for Loan Losses

	December 31,		Charge-							June 30,
*(In thousands)*	2014		Offs		Recoveries		Provision			2015
Commercial and industrial	$	3,515	$	—	$	7	$	78		$	3,600
Real estate
Commercial:
Mortgage		3,060		—		—		(57	)		3,003
Construction		—		—		—		—			—
Church, church-related:
Mortgage		4,016		—		1		52			4,069
Construction		140		—		—		20			160
Industrial Revenue Bonds		394		—		—		(27	)		367
Other		769		—		—		(66	)		703
Total	$	11,894	$	—	$	8	$	—		$	11,902

A summary of the activity in the allowance for loan losses from December 31, 2013 to June 30, 2014 is as follows:

	December 31,		Charge-							June 30,
*(In thousands)*	2013		Offs		Recoveries		Provision			2014
Commercial and industrial	$	3,036	$	3	$	30	$	18		$	3,081
Real estate
Commercial:
Mortgage		3,946		—		221		335			4,502
Construction		151		—		—		(8	)		143
Church, church-related:
Mortgage		4,354		76		2		(384	)		3,896
Construction		124		—		—		49			173
Industrial Revenue Bonds		68		—		—		(11	)		57
Other		—		—		—		1			1
Total	$	11,679	$	79	$	253	$	—		$	11,853

Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies [Abstract]

Summary of Contractual Cash Obligation of Operating Lease Commitments

	Amount of Commitment Expiration per Period
				Less than		1-3		3-5		Over 5
*(In thousands)*		Total		1 Year		Years		Years		Years
Operating lease commitments	$	6,834	$	1,321	$	2,350	$	1,459	$	1,704
Time deposits		70,484		56,742		12,690		1,052		—
Total	$	77,318	$	58,063	$	15,040	$	2,511	$	1,704

- Definition

Tabular disclosure of a lessee's leasing arrangements including: (1) the basis on which contingent rental payments are determined, (2) the existence and terms of renewal or purchase options and escalation clauses, (3) restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, (4) rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions. Disclosure may also include the specific period used to amortize material leasehold improvements made at the inception of the lease or during the lease term. Additionally, for operating leases having initial or remaining noncancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years, (b) the total of minimum rentals to be received in the future under noncancelable subleases as of the date of the latest balance sheet presented, and (c) for all operating leases, rental expense for each period for which an income statement is presented, with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included.

+ References + Details

Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Stock-Based Compensation [Abstract]

Summary of Restricted Stock Activity

	Six Months Ended
	June 30, 2015
	Shares		Fair Value
Balance at December 31, 2014	51,161		$	48.13
Granted	41,518		$	51.04
Vested	(24,644	)	$	44.18
Forfeits	(262)		$	52.63
Balance at June 30, 2015	67,773		$	51.33

Summary of SARs Activity

			Weighted-		Average	Aggregate
			Average		Remaining	Intrinsic
			Exercise		Contractual	Value
	Shares		Price		Term Years	*(In thousands)*
Outstanding at December 31, 2014	353,955		$	35.52	6.77	$	6,277
Exercised	(37,834	)	$	28.56
Forfeits	(1,204	)	$	53.96
Outstanding at June 30, 2015	314,917		$	36.28	6.45		6,279
Exercisable at June 30, 2015	262,410		$	33.30	6.11	$	6,014

Summary of Non-vested SARs Activity

			Weighted-Average
	Shares		Grant Date Fair Value
Non-vested at December 31, 2014	124,982		$	45.85
Vested	(71,514	)	$	41.87
Forfeits	(961	)	$	52.02
Non-vested at June 30, 2015	52,507		$	51.17

Schedule of Assumptions used in SARs Granted

	Six Months Ended June 30,
	2015	2014
Risk-free interest rate	N/A	2.38	%
Expected life	N/A	7 yrs.
Expected volatility	N/A	28.11	%
Expected dividend yield	N/A	1.30	%

Defined Pension Plans (Tables)

6 Months Ended

Jun. 30, 2015

Defined Pension Plans [Abstract]

Schedule of Net Periodic Pension Costs

	Estimated			Actual
*(In thousands)*	2015			2014
Service cost – benefits earned during the year	$	3,977		$	3,003
Interest cost on projected benefit obligations		3,217			3,037
Expected return on plan assets		(4,863	)		(4,711)
Net amortization and deferral		1,605			244
Net periodic pension cost	$	3,936		$	1,573

Schedule of Unfunded Supplemental Executive Retirement Plan

	Estimated		Actual
*(In thousands)*	2015		2014
Service cost – benefits earned during the year	$	140	$	136
Interest cost on projected benefit obligation		348		377
Net amortization		654		431
Net periodic pension cost	$	1,142	$	944

Investment in Securities (Tables)

6 Months Ended

Jun. 30, 2015

Investment in Securities [Abstract]

Schedule of Investment Securities

	June 30, 2015
			Gross		Gross
	Amortized		Unrealized		Unrealized
*(In thousands)*	Cost		Gains		Losses		Fair Value
State and political subdivisions	$	335,414	$	9,858	$	1,202	$	344,070
Certificates of deposit		3,750		—		—		3,750
Total	$	339,164	$	9,858	$	1,202	$	347,820

	December 31, 2014
			Gross		Gross
	Amortized		Unrealized		Unrealized
*(In thousands)*	Cost		Gains		Losses		Fair Value
State and political subdivisions	$	338,469	$	14,120	$	198	$	352,391
Certificates of deposit		3,750		—		—		3,750
Total	$	342,219	$	14,120	$	198	$	356,141

Schedule of the Fair Value of Securities with Unrealized Losses

	June 30, 2015
	Less than 12 months				12 months or more				Total
	Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
*(In thousands)*	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
State and political subdivisions	$	103,552	$	1,164	$	1,195	$	38	$	104,747	$	1,202
Certificates of deposit		—		—		—		—		—		—
Total	$	103,552	$	1,164	$	1,195	$	38	$	104,747	$	1,202

	December 31, 2014
	Less than 12 months				12 months or more				Total
	Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
*(In thousands)*	Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
State and political subdivisions	$	8,700	$	15	$	13,833	$	183	$	22,533	$	198
Certificates of deposit		—		—		—		—		—		—
Total	$	8,700	$	15	$	13,833	$	183	$	22,533	$	198

Schedule of Amortized Cost and Fair Value of Investment

	June 30, 2015
*(In thousands)*	Amortized Cost		Fair Value
Due in 1 year or less	$	23,893	$	24,055
Due after 1 year through 5 years		88,356		92,275
Due after 5 years through 10 years		130,452		134,615
Due after 10 years		96,463		96,875
Total	$	339,164	$	347,820

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References + Details

Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value of Financial Instruments [Abstract]

Summary of the Fair Value of Financial Instruments

	June 30, 2015				December 31, 2014
	Carrying				Carrying
*(In thousands)*	Amount		Fair Value		Amount		Fair Value
Balance sheet assets:
Cash and cash equivalents	$	158,611	$	158,611	$	294,335	$	294,335
Investment securities		347,820		347,820		356,141		356,141
Loans, net		663,265		670,353		657,452		663,247
Accrued interest receivable		5,951		5,951		6,521		6,521
Total	$	1,175,647	$	1,182,735	$	1,314,449	$	1,320,244
Balance sheet liabilities:
Deposits	$	555,410	$	555,823	$	618,199	$	618,199
Accounts and drafts payable		584,532		584,532		655,428		655,428
Accrued interest payable		55		55		57		57
Total	$	1,139,997	$	1,140,410	$	1,273,684	$	1,273,684

Intangible Assets (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
Intangible Assets (Narrative) (Details) - USD ($)	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 102,000	$ 121,000	$ 203,000	$ 241,000
2015	406,000		406,000
2016	407,000		407,000
2017	355,000		355,000
2018	355,000		355,000
2019	$ 355,000		$ 355,000
Customer Lists [Member] \| Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			10 years
Customer Lists [Member] \| Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			7 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			18 years
Non-compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			5 years
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			3 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets amortization period			15 years

Intangible Assets (Schedule of Company's Intangible Assets) (Details) - USD ($)
$ in Thousands

Jun. 30, 2015

Dec. 31, 2014

Unamortized intangible assets:

Goodwill, Gross Carrying Amount

^[1]

$ 11,817

Goodwill, Accumulated Amortization

^[1]

227

(227)

Total intangible assets

16,805

16,768

Accumulated Amortization

(2,618)

(2,416)

Customer Lists [Member]

Assets eligible for amortization:

Gross Carrying Amount

3,933

Accumulated Amortization

(1,864)

(1,705)

Patents [Member]

Assets eligible for amortization:

Gross Carrying Amount

Accumulated Amortization

(2)

(1)

Non-compete Agreements [Member]

Assets eligible for amortization:

Gross Carrying Amount

261

Accumulated Amortization

(183)

(157)

Software [Member]

Assets eligible for amortization:

Gross Carrying Amount

234

Accumulated Amortization

(234)

Other [Member]

Assets eligible for amortization:

Gross Carrying Amount

500

Accumulated Amortization

$ (108)

$ (92)

[1]	Amortization through December 31, 2001 prior to adoption of FASB ASC 350.

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic
Net income	$ 5,548	$ 6,035	$ 11,087	$ 11,846
Weighted-average common shares outstanding	11,388,907	11,489,423	11,414,489	11,483,801
Basic earnings per share	$ 0.49	$ 0.52	$ 0.97	$ 1.03
Diluted
Net Income	$ 5,548	$ 6,035	$ 11,087	$ 11,846
Weighted-average common shares outstanding	11,388,907	11,489,423	11,414,489	11,483,801
Effect of dilutive restricted stock, stock options and stock appreciation rights	163,898	169,724	162,705	182,146
Weighted-average common shares outstanding assuming dilution	11,552,805	11,659,147	11,577,194	11,665,947
Diluted earnings per share	$ 0.48	$ 0.52	$ 0.96	$ 1.02

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Stock Repurchases (Details) - shares	3 Months Ended		6 Months Ended
Stock Repurchases (Details) - shares	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Stock Repurchases [Abstract]
Number of shares authorized to be repurchased	500,000		500,000
Shares repurchased	55,297	0	124,585	0
Remaining number of shares available for repurchase	355,455		355,455

Industry Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Fee revenue and other income:
Income from customers	$ 30,120	$ 29,299	$ 59,913	$ 58,021
Intersegment income (expense)
Net income	5,548	6,035	11,087	11,846
Goodwill	11,590	11,590	11,590	11,590	$ 11,590
Other intangible assets, net	2,597	2,981	2,597	2,981
Total assets	1,366,880	1,351,711	1,366,880	1,351,711	$ 1,500,731
Information Services [Member]
Fee revenue and other income:
Income from customers	24,152	23,737	48,426	46,952
Intersegment income (expense)	2,350	2,160	4,544	4,302
Net income	3,591	4,280	7,407	8,380
Goodwill	11,454	11,454	11,454	11,454
Other intangible assets, net	2,597	2,981	2,597	2,981
Total assets	709,754	709,693	709,754	709,693
Banking Services [Member]
Fee revenue and other income:
Income from customers	5,968	5,562	11,487	11,069
Intersegment income (expense)	433	374	856	730
Net income	1,957	1,755	3,680	3,466
Goodwill	136	136	136	136
Other intangible assets, net
Total assets	675,777	663,546	675,777	663,546
Corporate Eliminations and Other [Member]
Fee revenue and other income:
Income from customers
Intersegment income (expense)	(2,783)	(2,534)	(5,400)	(5,032)
Net income
Goodwill
Other intangible assets, net
Total assets	$ (18,651)	$ (21,528)	$ (18,651)	$ (21,528)

Loans by Type (Narrative) (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Loans by Type [Abstract]
Foreclosed loans amount

Loans by Type (Summary of Loan Categories) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Participating Mortgage Loans [Line Items]
Loans	$ 675,167	$ 669,346
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Loans	208,566	203,350
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans	115,338	117,754
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Loans	308,236	305,887
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Loans	21,267	18,612
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Loans	21,723	23,348
Other Loan [Member]
Participating Mortgage Loans [Line Items]
Loans	$ 37	$ 395

Loans by Type (Schedule of the Aging of Loans by Loan Categories) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Participating Mortgage Loans [Line Items]
Nonaccrual	$ 3,176	$ 488
Total Loans	675,167	669,346
Performing, Current
Participating Mortgage Loans [Line Items]
Loans	671,991	668,858
Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Total Loans	208,566	203,350
Commercial and Industrial [Member] \| Performing, Current
Participating Mortgage Loans [Line Items]
Loans	208,566	203,350
Commercial and Industrial [Member] \| Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Commercial and Industrial [Member] \| Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Commercial and Industrial [Member] \| Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	3,062	361
Total Loans	115,338	117,754
Real Estate Commercial Mortgage [Member] \| Performing, Current
Participating Mortgage Loans [Line Items]
Loans	112,276	117,393
Real Estate Commercial Mortgage [Member] \| Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Commercial Mortgage [Member] \| Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Commercial Mortgage [Member] \| Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Total Loans
Real Estate Commercial Construction [Member] \| Performing, Current
Participating Mortgage Loans [Line Items]
Loans
Real Estate Commercial Construction [Member] \| Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Commercial Construction [Member] \| Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Commercial Construction [Member] \| Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	114	127
Total Loans	308,236	305,887
Real Estate Church Related Mortgage [Member] \| Performing, Current
Participating Mortgage Loans [Line Items]
Loans	308,122	305,760
Real Estate Church Related Mortgage [Member] \| Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Church Related Mortgage [Member] \| Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Church Related Mortgage [Member] \| Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Total Loans	21,267	18,612
Real Estate Church Related Construction [Member] \| Performing, Current
Participating Mortgage Loans [Line Items]
Loans	21,267	18,612
Real Estate Church Related Construction [Member] \| Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Church Related Construction [Member] \| Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Real Estate Church Related Construction [Member] \| Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Total Loans	21,723	23,348
Industrial Revenue Bonds [Member] \| Performing, Current
Participating Mortgage Loans [Line Items]
Loans	21,723	23,348
Industrial Revenue Bonds [Member] \| Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Industrial Revenue Bonds [Member] \| Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Industrial Revenue Bonds [Member] \| Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans
Other [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Total Loans	37	395
Other [Member] \| Performing, Current
Participating Mortgage Loans [Line Items]
Loans	37	395
Other [Member] \| Performing, 30-59 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Other [Member] \| Performing, 60-89 Days [Member]
Participating Mortgage Loans [Line Items]
Loans
Other [Member] \| Nonperforming, 90 Days and Over [Member]
Participating Mortgage Loans [Line Items]
Loans

Loans by Type (Schedule of the Credit Exposure of the Loan Portfolio) (Details) - USD ($)
$ in Thousands

Jun. 30, 2015

Dec. 31, 2014

Participating Mortgage Loans [Line Items]

Loans

$ 675,167

$ 669,346

Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

653,165

649,508

Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

18,826

19,350

Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

3,176

488

Commercial and Industrial [Member]

Participating Mortgage Loans [Line Items]

Loans

208,566

203,350

Commercial and Industrial [Member] | Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

205,153

199,837

Commercial and Industrial [Member] | Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

3,413

3,513

Commercial and Industrial [Member] | Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Real Estate Commercial Mortgage [Member]

Participating Mortgage Loans [Line Items]

Loans

115,338

117,754

Real Estate Commercial Mortgage [Member] | Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

101,487

103,097

Real Estate Commercial Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

10,789

14,296

Real Estate Commercial Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

3,062

361

Real Estate Commercial Construction [Member]

Participating Mortgage Loans [Line Items]

Loans

Real Estate Commercial Construction [Member] | Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

Real Estate Commercial Construction [Member] | Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Real Estate Commercial Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Real Estate Church Related Mortgage [Member]

Participating Mortgage Loans [Line Items]

Loans

308,236

305,887

Real Estate Church Related Mortgage [Member] | Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

303,498

304,219

Real Estate Church Related Mortgage [Member] | Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

4,624

1,541

Real Estate Church Related Mortgage [Member] | Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

114

127

Real Estate Church Related Construction [Member]

Participating Mortgage Loans [Line Items]

Loans

21,267

18,612

Real Estate Church Related Construction [Member] | Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

21,267

18,612

Real Estate Church Related Construction [Member] | Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Real Estate Church Related Construction [Member] | Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Industrial Revenue Bonds [Member]

Participating Mortgage Loans [Line Items]

Loans

21,723

23,348

Industrial Revenue Bonds [Member] | Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

21,723

23,348

Industrial Revenue Bonds [Member] | Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Industrial Revenue Bonds [Member] | Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Other [Member]

Participating Mortgage Loans [Line Items]

Loans

395

Other [Member] | Loans Subject To Normal Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[1]

395

Other [Member] | Performing Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

Other [Member] | Nonperforming Loans Subject To Special Monitoring [Member]

Participating Mortgage Loans [Line Items]

Loans

^[2]

[1]	Loans subject to normal monitoring involve borrowers of acceptable-to-strong credit quality and risk, who have the apparent ability to satisfy their loan obligations.
[2]	Loans subject to special monitoring possess some credit deficiency or potential weakness which requires a high level of management attention.

Loans by Type (Schedule of Recorded Investment and Unpaid Principal for Impaired Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Participating Mortgage Loans [Line Items]
Nonaccrual	$ 3,176	$ 488
Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	3,176	488
Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	3,176	488
Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	1,241	127
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Commercial and Industrial [Member] \| Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Commercial and Industrial [Member] \| Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Commercial and Industrial [Member] \| Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	3,062	361
Real Estate Commercial Mortgage [Member] \| Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	3,062	361
Real Estate Commercial Mortgage [Member] \| Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	3,062	361
Real Estate Commercial Mortgage [Member] \| Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	1,127
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	114	127
Real Estate Church Related Mortgage [Member] \| Recorded Investment [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	114	127
Real Estate Church Related Mortgage [Member] \| Upaid Principal Balance [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	114	127
Real Estate Church Related Mortgage [Member] \| Related Allowance for Loan Losses [Member]
Participating Mortgage Loans [Line Items]
Nonaccrual	$ 114	$ 127

Loans by Type (Summary of Allowance for Loan Losses) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Participating Mortgage Loans [Line Items]
Beginning Balance	$ 11,894	$ 11,679
Charge-Offs		79
Recoveries	8	253
Provision
Ending Balance	11,902	11,853
Commercial and Industrial [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	3,515	3,036
Charge-Offs		3
Recoveries	7	30
Provision	78	18
Ending Balance	3,600	3,081
Real Estate Commercial Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	3,060	3,946
Charge-Offs
Recoveries		221
Provision	(57)	335
Ending Balance	3,003	4,502
Real Estate Commercial Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance		151
Charge-Offs
Recoveries
Provision		(8)
Ending Balance		143
Real Estate Church Related Mortgage [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	4,016	4,354
Charge-Offs		76
Recoveries	1	2
Provision	52	(384)
Ending Balance	4,069	3,896
Real Estate Church Related Construction [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	140	124
Charge-Offs
Recoveries
Provision	20	49
Ending Balance	160	173
Industrial Revenue Bonds [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	394	68
Charge-Offs
Recoveries
Provision	(27)	(11)
Ending Balance	367	57
Other [Member]
Participating Mortgage Loans [Line Items]
Beginning Balance	769
Charge-Offs
Recoveries
Provision	(66)	1
Ending Balance	$ 703	$ 1

Commitments and Contingencies (Narrative) (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Commitments and Contingencies [Abstract]
Unused loan commitments	$ 8,297,000	$ 19,066,000
Standby letters of credit	11,735,000	12,693,000
Commercial letters of credit	$ 1,542,000	$ 2,571,000

Commitments and Contingencies (Summary of Company's Contractual Cash Obligations) (Details) $ in Thousands	Jun. 30, 2015 USD ($)
Commitments and Contingencies [Abstract]
Operating lease commitments, Total	$ 6,834
Operating lease commitments, Less than 1 Year	1,321
Operating lease commitments, 1 to 3 Years	2,350
Operating lease commitments, 3 to 5 Years	1,459
Operating lease commitments, Over 5 Years	1,704
Time Deposits, Total	70,484
Time Deposits, Less than 1 Year	56,742
Time Deposits, 1 to 3 Years	12,690
Time Deposits, 3 to 5 Years	1,052
Time Deposits, over 5 Years
Commitments, Total	77,318
Commitments, Less than 1 Year	58,063
Commitments, 1 to 3 Years	15,040
Commitments, 3 to 5 Years	2,511
Commitments, Over 5 Years	$ 1,704

Stock-Based Compensation (Narrative) (Details)	6 Months Ended
Stock-Based Compensation (Narrative) (Details)	Jun. 30, 2015 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity Incentive Plan, shares authorized	1,500,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost \| $	$ 2,480,000
Remaining vesting period	1 year 1 month 6 days
Vesting period	3 years
Granted, Shares	41,518
SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost \| $	$ 529,000
Remaining vesting period	8 months 12 days
Vesting period	3 years
Granted, Shares	0

Stock-Based Compensation (Summary of Restricted Stock Activity) (Details) - Restricted Stock [Member]	6 Months Ended
	Jun. 30, 2015 $ / shares shares
Shares
Beginning balance \| shares	51,161
Granted \| shares	41,518
Vested \| shares	(24,644)
Forfeits \| shares	(262)
Ending balance \| shares	67,773
Fair Value
Beginning balance \| $ / shares	$ 48.13
Granted \| $ / shares	51.04
Vested \| $ / shares	44.18
Forfeits \| $ / shares	52.63
Ending balance \| $ / shares	$ 51.33

Stock-Based Compensation (Summary of Company's SARs Activity) (Details) - SARs [Member] - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance	353,955
Exercised, Shares	(37,834)
Forfeits	(1,204)
Ending balance	314,917	353,955
Exercisable, Shares	262,410
Outstanding, Weighted Average Exercise Price	$ 35.52
Exercised, Weighted Average Exercise Price	28.56
Forfeits, Weighted Average Exercise Price	53.96
Outstanding, Weighted Average Exercise Price	36.28	$ 35.52
Exercisable, Weighted Average Exercise Price	$ 33.30
SharebasedCompensationArrangementsBySharebasedPaymentAwardOptionOutstandingWeightedAverageRemainingContractualTerm	6 years 5 months 12 days	6 years 9 months 7 days
SharebasedCompensationArrangementsBySharebasedPaymentAwardOptionOutstandingWeightedAverageRemainingContractualTerm	6 years 5 months 12 days	6 years 9 months 7 days
Exercisable, Average Remaining Contractual Term Years	6 years 1 month 10 days
Outstanding, Aggregate Intrinsic Value	$ 6,277
Outstanding, Aggregate Intrinsic Value	6,279	$ 6,277
Exercisable, Aggregate Intrinsic Value	$ 6,014

Stock-Based Compensation (Summary of Company's Non-vested SARs Activity) (Details) - SARs [Member]	6 Months Ended
	Jun. 30, 2015 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested, beginning, Shares \| shares	124,982
Vested \| shares	(71,514)
Forfeits \| shares	(961)
Non-vested, ending, Shares \| shares	52,507
Beginning balance \| $ / shares	$ 45.85
Vested \| $ / shares	41.87
Forfeits \| $ / shares	52.02
Ending balance \| $ / shares	$ 51.17

Stock-Based Compensation (Schedule of SARs Assumptions) (Details) - SARs [Member]	6 Months Ended
	Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk free interest rate	2.38%
Expected life	7 years
Expected volatility	28.11%
Expected dividend yield	1.30%

Defined Pension Plans (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
Defined Pension Plans (Narrative) (Details) - USD ($)	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Pension period			30 years
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension costs	$ 977,000	$ 410,000	$ 1,968,000	$ 820,000
Unfunded Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension costs	$ 286,000	$ 236,000	$ 571,000	$ 472,000

Defined Pension Plans (Schedule of Net Periodic Pension Costs) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the year	$ 3,977	$ 3,003
Interest cost on projected benefit obligation	3,217	3,037
Expected return on plan assets	(4,863)	(4,711)
Net amortization and deferral	1,605	244
Net periodic pension cost	3,936	1,573
Unfunded Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost - benefits earned during the year	140	136
Interest cost on projected benefit obligation	348	377
Net amortization and deferral	654	431
Net periodic pension cost	$ 1,142	$ 944

Income Taxes (Details) - USD ($)	6 Months Ended
Income Taxes (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Amounts of tax benefits that would affect effective tax rate if recognized	$ 933,000	$ 819,000
Income tax accrued interest	62,000	45,000
Unrecognized tax benefits	1,266,000	$ 1,117,000
Statute of limitations	$ 210,000

Investment in Securities (Narrative) (Details)	3 Months Ended		6 Months Ended
Investment in Securities (Narrative) (Details)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014
Investment in Securities [Abstract]
Number of securities that had an unrealized loss	87		87		20
Percentage of total securities	25.00%		25.00%		6.00%
Proceeds from sales of securities available-for-sale	$ 20,754,000	$ 0	$ 65,952,000
Gross realized gains	690	$ 0	1,639	$ 0
Securities pledged as collateral	$ 3,750,000		$ 3,750,000

Investment in Securities (Schedule of Investement Securities) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Investment [Line Items]
Amortized Cost	$ 339,164	$ 342,219
Gross Unrealized Gains	9,858	14,120
Gross Unrealized Losses	1,202	198
Fair Value	347,820	356,141
State and Political Subdivisions [Member]
Investment [Line Items]
Amortized Cost	335,414	338,469
Gross Unrealized Gains	9,858	14,120
Gross Unrealized Losses	1,202	198
Fair Value	344,070	352,391
Certificates Of deposit [Member]
Investment [Line Items]
Amortized Cost	3,750	3,750
Gross Unrealized Gains
Gross Unrealized Losses
Fair Value	$ 3,750	$ 3,750

Investment in Securities (Schedule of the Fair Values of Securities with Unrealized Losses) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Investment [Line Items]
Estimated fair value, less than 12 months	$ 103,552	$ 8,700
Estimated fair value, 12 months or more	1,195	13,833
Estimated fair value, total	104,747	22,533
Unrealized losses, 12 months or more	1,164	15
Unrealized losses, less than 12 months	38	183
Unrealized losses, total	1,202	198
State and Political Subdivisions [Member]
Investment [Line Items]
Estimated fair value, less than 12 months	103,552	8,700
Estimated fair value, 12 months or more	1,195	13,833
Estimated fair value, total	104,747	22,533
Unrealized losses, 12 months or more	1,164	15
Unrealized losses, less than 12 months	38	183
Unrealized losses, total	1,202	198
Certificates Of deposit [Member]
Investment [Line Items]
Estimated fair value, less than 12 months
Estimated fair value, 12 months or more
Estimated fair value, total
Unrealized losses, 12 months or more
Unrealized losses, less than 12 months
Unrealized losses, total

Investment in Securities (Schedule of Amortized Cost and Fair Value of Investment Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Investment in Securities [Abstract]
Amortized Cost, Due in 1 year or less	$ 23,893
Amortized Cost, Due after 1 year through 5 years	88,356
Amortized Cost, Due after 5 years through 10 years	130,452
Amortized Cost, Due after 10 years	96,463
Amortized Cost, Total	339,164
Fair Value, Due in 1 year or less	24,055
Fair Value, Due after 1 year through 5 years	92,275
Fair Value, Due after 5 years through 10 years	134,615
Fair Value, Due after 10 years	96,875
Fair Value, Total	$ 347,820	$ 356,141

Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Cash and cash equivalents, Carrying Amount	$ 158,611	$ 294,335	$ 181,723	$ 225,262
Investment securities, Carrying Amount	347,820	356,141
Loans, net, Carrying Amount	663,265	657,452
Accrued interest receivable, Carrying Amount	5,951	6,521
Assets, Carrying Amount	1,175,647	1,314,449
Cash and cash equivalents, Fair Value	158,611	294,335
Investment securities, Fair Value	347,820	356,141
Loans, net, Fair Value	670,353	663,247
Accrued interest receivable, Fair Value	5,951	6,521
Assets, Fair Value	1,182,735	1,320,244
Deposits	555,410	618,199
Accounts and drafts payable	584,532	655,428
Accrued interest payable, Carrying Amount	55	57
Liabilities, Carrying Amount	1,139,997	1,273,684
Deposits, Fair Value	555,823	618,199
Accounts and drafts payable, Fair Value	584,532	655,428
Accrued interest payable, Fair Value	55	57
Liabilities, Fair Value	$ 1,140,410	$ 1,273,684