Univest Financial (UVSP) 10-Q7 Nov 142014 Q3 Quarterly reportFinancial data

Company Profile

Document_and_Entity_Informatio

Document and Entity Information	9 Months Ended
Document and Entity Information	Sep. 30, 2014	Oct. 31, 2014
Document And Entity Information [Abstract]	'	'
Entity Registrant Name	'UNIVEST CORP OF PENNSYLVANIA	'
Entity Central Index Key	'0000102212	'
Current Fiscal Year End Date	'--12-31	'
Entity Filer Category	'Accelerated Filer	'
Document Type	'10-Q	'
Document Period End Date	30-Sep-14	'
Document Fiscal Year Focus	'2014	'
Document Fiscal Period Focus	'Q3	'
Trading Symbol	'UVSP	'
Amendment Flag	'false	'
Entity Common Stock, Shares Outstanding	'	16,214,805

Consolidated_Balance_Sheets

Consolidated Balance Sheets (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
ASSETS	'	'
Cash and due from banks	$29,667	$32,646
Interest-earning deposits with other banks	38,741	36,523
Investment securities held-to-maturity (fair value $57,101 and $66,853 at September 30, 2014 and December 31, 2013, respectively)	56,476	66,003
Investment securities available-for-sale	304,302	336,281
Loans held for sale	2,156	2,267
Loans and leases held for investment	1,597,736	1,541,484
Less: Reserve for loan and lease losses	-21,762	-24,494
Net loans and leases held for investment	1,575,974	1,516,990
Premises and equipment, net	35,532	34,129
Goodwill	67,717	57,517
Other intangibles, net of accumulated amortization and fair value adjustments of $10,969 and $10,300 at September 30, 2014 and December 31, 2013, respectively	12,625	8,178
Bank owned life insurance	61,804	60,637
Accrued interest receivable and other assets	37,202	40,388
Total assets	2,222,196	2,191,559
LIABILITIES	'	'
Noninterest-bearing deposits	436,189	411,714
Interest-bearing deposits:	'	'
Demand deposits	633,750	625,845
Savings deposits	529,028	536,150
Time deposits	261,176	270,789
Total deposits	1,860,143	1,844,498
Customer repurchase agreements	38,005	37,256
Accrued interest payable and other liabilities	34,234	29,299
Total liabilities	1,932,382	1,911,053
SHAREHOLDERSâ€™ EQUITY	'	'
Common stock, $5 par value: 48,000,000 shares authorized at September 30, 2014 and December 31, 2013; 18,266,404 shares issued at September 30, 2014 and December 31, 2013; 16,220,249 and 16,287,812 shares outstanding at September 30, 2014 and December 31, 2013, respectively	91,332	91,332
Additional paid-in capital	62,634	62,417
Retained earnings	179,903	172,602
Accumulated other comprehensive loss, net of tax benefit	-6,901	-9,955
Treasury stock, at cost; 2,046,155 and 1,978,592 shares at September 30, 2014 and December 31, 2013, respectively	-37,154	-35,890
Total shareholdersâ€™ equity	289,814	280,506
Total liabilities and shareholdersâ€™ equity	$2,222,196	$2,191,559

Consolidated_Balance_Sheets_Pa

Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]	'	'
Securities Held-to-Maturity, Fair Value	$57,101	$66,853
Accumulated amortization and fair value adjustments on other intangibles	$10,969	$10,300
Common stock, par value	$5	$5
Common stock, shares authorized	48,000,000	48,000,000
Common stock, shares issued	18,266,404	18,266,404
Common stock, shares outstanding	16,220,249	16,287,812
Treasury stock, shares	2,046,155	1,978,592

Consolidated_Statements_of_Inc

Consolidated Statements of Income (USD $)	3 Months Ended		9 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest and fees on loans and leases:	'	'	'	'
Taxable	$15,921	$15,793	$46,916	$47,544
Exempt from federal income taxes	1,433	1,215	4,177	3,459
Total interest and fees on loans and leases	17,354	17,008	51,093	51,003
Interest and dividends on investment securities:	'	'	'	'
Taxable	963	1,391	3,025	4,195
Exempt from federal income taxes	884	1,033	2,723	3,103
Other interest income	18	25	49	106
Total interest income	19,219	19,457	56,890	58,407
Interest expense	'	'	'	'
Interest on deposits	971	1,119	2,932	3,514
Interest on short-term borrowings	7	8	25	40
Interest on long-term borrowings	0	11	0	483
Total interest expense	978	1,138	2,957	4,037
Net interest income	18,241	18,319	53,933	54,370
Provision for loan and lease losses	233	4,094	2,959	9,614
Net interest income after provision for loan and lease losses	18,008	14,225	50,974	44,756
Noninterest income	'	'	'	'
Trust fee income	1,862	1,736	5,692	5,249
Service charges on deposit accounts	1,073	1,149	3,134	3,333
Investment advisory commission and fee income	3,086	1,740	9,144	5,654
Insurance commission and fee income	2,881	2,309	8,647	7,223
Other service fee income	1,767	1,929	5,471	5,454
Bank owned life insurance income	346	1,555	1,167	2,472
Net gain on sales of investment securities	0	1,426	557	2,950
Net gain on mortgage banking activities	616	935	1,484	4,047
Net gain on sales of other real estate owned	195	198	195	450
Loss on termination of interest rate swap	0	0	0	-1,866
Other	684	225	1,084	702
Total noninterest income	12,510	13,202	36,575	35,668
Noninterest expense	'	'	'	'
Salaries and benefits	11,035	9,761	31,948	28,980
Commissions	2,200	2,026	5,585	6,529
Net occupancy	1,689	1,472	5,130	4,279
Equipment	1,426	1,225	4,170	3,619
Professional fees	744	764	2,399	2,340
Marketing and advertising	391	570	1,333	1,432
Deposit insurance premiums	386	381	1,162	1,173
Intangible expenses (income)	352	275	1,762	-199
Acquisition-related costs	180	7	739	34
Restructuring and integration charges	8	-5	8	534
Other	3,608	3,512	10,456	10,789
Total noninterest expense	22,019	19,988	64,692	59,510
Income before income taxes	8,499	7,439	22,857	20,914
Income taxes	2,264	1,400	5,816	4,647
Net income	$6,235	$6,039	$17,041	$16,267
Net income per share:	'	'	'	'
Basic (in dollars per share)	$0.38	$0.36	$1.05	$0.97
Diluted (in dollars per share)	$0.38	$0.36	$1.04	$0.97
Dividends declared	$0.20	$0.20	$0.60	$0.60

Consolidated_Statements_of_Com

Consolidated Statements of Comprehensive Income (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]	'	'	'	'
Income, Before Tax Amount	$8,499	$7,439	$22,857	$20,914
Net unrealized gains (losses) on available-for-sale investment securities, Before Tax Amount	'	'	'	'
Net unrealized holding gains (losses) arising during the period, Before Tax Amount	-486	442	4,972	-10,163
Less: reclassification adjustment for net gains on sales realized in net income, Before Tax Amount	0	-1,426	-557	-2,950
Total net unrealized gains (losses) on available-for-sale investment securities, Before Tax Amount	-486	-984	4,415	-13,113
Cash flow hedge derivative, Before Tax Amount	'	'	'	'
Net change in fair value of interest rate swap, Before Tax Amount	'	'	0	43
Less: reclassification adjustment for loss on termination of interest rate swap realized in net income, Before Tax Amount	'	'	0	1,866
Total cash flow hedge derivative, Before Tax Amount	'	'	0	1,909
Defined benefit pension plans, Before Tax Amount	'	'	'	'
Less: amortization of net actuarial loss included in net periodic pension costs, Before Tax Amount	168	320	499	961
Less: accretion of prior service cost included in net periodic pension costs, Before Tax Amount	-72	-64	-216	-191
Total defined benefit pension plans, Before Tax Amount	96	256	283	770
Other comprehensive income (loss), Before Tax Amount	-390	-728	4,698	-10,434
Total comprehensive income (loss), Before Tax Amount	8,109	6,711	27,555	10,480
Tax (expense) benefit	2,264	1,400	5,816	4,647
Net unrealized gains (losses) on available-for-sale investment securities, Tax Expense (Benefit)	'	'	'	'
Net unrealized holding gains (losses) arising during the period, Tax Expense (Benefit)	-170	155	1,741	-3,557
Less: reclassification adjustment for net gains on sales realized in net income, Tax Expense (Benefit)	0	-499	-195	-1,032
Total net unrealized gains (losses) on available-for-sale investment securities, Tax Expense (Benefit)	-170	-344	1,546	-4,589
Cash flow hedge derivative, Tax Expense (Benefit)	'	'	'	'
Net change in fair value of interest rate swap, Tax Expense (Benefit)	'	'	0	15
Less: reclassification adjustment for loss on termination of interest rate swap realized in net income, Tax Expense (Benefit)	'	'	0	653
Total cash flow hedge derivative, Tax Expense (Benefit)	'	'	0	668
Defined benefit pension plans, Tax Expense (Benefit)	'	'	'	'
Less: amortization of net actuarial loss included in net periodic pension costs, Tax Expense (Benefit)	59	112	175	336
Less: accretion of prior service cost included in net periodic pension costs, Tax Expense (Benefit)	-26	-22	-77	-66
Total defined benefit pension plans, Tax Expense (Benefit)	33	90	98	270
Other comprehensive income (loss), Tax Expense (Benefit)	-137	-254	1,644	-3,651
Total comprehensive income (loss), Tax Expense (Benefit)	2,127	1,146	7,460	996
Income, Net of Tax Amount	6,235	6,039	17,041	16,267
Net unrealized gains (losses) on available-for-sale investment securities, Net of Tax Amount	'	'	'	'
Net unrealized holding gains (losses) arising during the period, Net of Tax Amount	-316	287	3,231	-6,606
Less: reclassification adjustment for net gains on sales realized in net income, Net of Tax Amount	0	-927	-362	-1,918
Total net unrealized gains (losses) on available-for-sale investment securities, Net of Tax Amount	-316	-640	2,869	-8,524
Cash flow hedge derivative, Net of Tax Amount	'	'	'	'
Net change in fair value of interest rate swap, Net of Tax Amount	'	'	0	28
Less: reclassification adjustment for loss on termination of interest rate swap realized in net income, Net of Tax Amount	'	'	0	1,213
Total cash flow hedge derivative, Net of Tax Amount	'	'	0	1,241
Defined benefit pension plans, Net of Tax Amount	'	'	'	'
Less: amortization of net actuarial loss included in net periodic pension costs, Net of Tax Amount	109	208	324	625
Less: accretion of prior service cost included in net periodic pension costs, Net of Tax Amount	-46	-42	-139	-125
Total defined benefit pension plans, Net of Tax Amount	63	166	185	500
Other comprehensive income (loss), Net of Tax Amount	-253	-474	3,054	-6,783
Total comprehensive income (loss), Net of Tax Amount	$5,982	$5,565	$20,095	$9,484

Consolidated_Statements_of_Cha

Consolidated Statements of Changes in Shareholders' Equity (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]
In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]
Beginning balance at Dec. 31, 2012	$284,277	$91,332	$62,101	$164,823	($6,920)	($27,059)
Beginning balance, shares at Dec. 31, 2012	'	16,770,232	'	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'
Net income	16,267	0	0	16,267	0	0
Other comprehensive income (loss), net of income tax benefit	-6,783	0	0	0	-6,783	0
Cash dividends declared ($0.60 per share)	-10,029	0	0	-10,029	0	0
Stock issued under dividend reinvestment and employee stock purchase plans and other employee benefit programs	1,892	0	9	-32	0	1,915
Stock issued under dividend reinvestment and employee stock purchase plans and other employee benefit programs, shares	'	105,263	'	'	'	'
Repurchase of cancelled restricted stock awards	0	'	519	'	'	-519
Repurchase of cancelled restricted stock awards, shares	'	-29,533	'	'	'	'
Stock-based compensation	616	0	616	0	0	0
Net tax deficiency on stock-based compensation	-11	0	-11	0	0	0
Purchases of treasury stock	-11,475	0	0	0	0	-11,475
Purchases of treasury stock, shares	'	-627,406	'	'	'	'
Restricted stock awards granted	0	0	-1,174	-92	0	1,266
Restricted stock awards granted, shares	'	70,041	'	'	'	'
Ending balance at Sep. 30, 2013	274,754	91,332	62,060	170,937	-13,703	-35,872
Ending balance, shares at Sep. 30, 2013	'	16,288,597	'	'	'	'
Beginning balance at Dec. 31, 2013	280,506	91,332	62,417	172,602	-9,955	-35,890
Beginning balance, shares at Dec. 31, 2013	'	16,287,812	'	'	'	'
Increase (Decrease) in Stockholders' Equity [Roll Forward]	'	'	'	'	'	'
Net income	17,041	0	0	17,041	0	0
Other comprehensive income (loss), net of income tax benefit	3,054	0	0	0	3,054	0
Cash dividends declared ($0.60 per share)	-9,740	0	0	-9,740	0	0
Stock issued under dividend reinvestment and employee stock purchase plans and other employee benefit programs	1,922	0	30	0	0	1,892
Stock issued under dividend reinvestment and employee stock purchase plans and other employee benefit programs, shares	'	96,129	'	'	'	'
Exercise of stock options	184	0	11	0	0	173
Exercise of stock options, shares	'	9,500	'	'	'	'
Repurchase of cancelled restricted stock awards	0	'	735	'	'	-735
Repurchase of cancelled restricted stock awards, shares	'	-43,452	'	'	'	'
Stock-based compensation	792	0	792	0	0	0
Net tax deficiency on stock-based compensation	-2	0	-2	0	0	0
Purchases of treasury stock	-3,943	0	0	0	0	-3,943
Purchases of treasury stock, shares	'	-204,044	'	'	'	'
Restricted stock awards granted	0	'	-1,349	'	'	1,349
Restricted stock awards granted, shares	'	74,304	'	'	'	'
Ending balance at Sep. 30, 2014	$289,814	$91,332	$62,634	$179,903	($6,901)	($37,154)
Ending balance, shares at Sep. 30, 2014	'	16,220,249	'	'	'	'

Consolidated_Statements_of_Cha1

Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Stockholders' Equity [Abstract]	'	'	'	'
Cash dividends declared, per share	$0.20	$0.20	$0.60	$0.60

Consolidated_Statements_of_Cas

Consolidated Statements of Cash Flows (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:	'	'
Net income	$17,041	$16,267
Adjustments to reconcile net income to net cash provided by operating activities:	'	'
Provision for loan and lease losses	2,959	9,614
Depreciation of premises and equipment	2,288	2,196
Net gain on sales of investment securities	-557	-2,950
Net gain on mortgage banking activities	-1,484	-4,047
Net gain on sales of other real estate owned	-195	-450
Loss on termination of interest rate swap	0	1,866
Bank owned life insurance income	-1,167	-2,472
Stock-based compensation	792	616
Intangible expenses (income)	1,762	-199
Other adjustments to reconcile net income to cash provided by operating activities	819	207
Originations of loans held for sale	-86,457	-233,408
Proceeds from the sale of loans held for sale	87,827	239,501
Contributions to pension and other postretirement benefit plans	-159	-2,090
Decrease (increase) in accrued interest receivable and other assets	1,359	-991
(Decrease) increase in accrued interest payable and other liabilities	-2,221	5,681
Net cash provided by operating activities	22,607	29,341
Cash flows from investing activities:	'	'
Net cash paid due to acquisitions	-9,260	-2,170
Net capital expenditures	-3,158	-2,777
Proceeds from maturities and calls of securities held-to-maturity	9,000	0
Proceeds from maturities and calls of securities available-for-sale	47,175	33,503
Proceeds from sales of securities available-for-sale	30,286	58,148
Purchases of investment securities available-for-sale	-41,320	-66,959
Proceeds from sale of credit card portfolio	8,943	0
Net increase in loans and leases	-70,344	-57,137
Net (increase) decrease in interest-earning deposits	-2,101	14,739
Proceeds from sales of other real estate owned	891	4,183
Net cash used in investing activities	-29,888	-18,470
Cash flows from financing activities:	'	'
Net increase in deposits	15,645	24,033
Net increase (decrease) in short-term borrowings	248	-49,549
Repayment of subordinated debt	0	-375
Payment for repurchase of trust preferred securities	0	-20,619
Purchases of treasury stock	-3,943	-11,475
Stock issued under dividend reinvestment and employee stock purchase plans and other employee benefit programs	1,922	1,892
Proceeds from exercise of stock options	184	0
Cash dividends paid	-9,754	-6,693
Net cash provided by (used in) financing activities	4,302	-62,786
Net decrease in cash and due from banks	-2,979	-51,915
Cash and due from banks at beginning of year	32,646	98,399
Cash and due from banks at end of period	29,667	46,484
Supplemental disclosures of cash flow information:	'	'
Cash paid for interest	3,122	4,801
Cash paid for income taxes, net of refunds received	5,188	4,336
Non cash transactions:	'	'
Transfer of loans to other real estate owned	0	3,526
Transfer of loans to loans held for sale	8,926	0
Contingent consideration recorded as goodwill	$6,105	$454

Summary_of_Significant_Account

Summary of Significant Accounting Policies	9 Months Ended
Summary of Significant Accounting Policies	Sep. 30, 2014
Accounting Policies [Abstract]	'
Summary of Significant Accounting Policies	'
	Summary of Significant Accounting Policies
	Principles of Consolidation and Basis of Presentation
	The accompanying unaudited consolidated financial statements include the accounts of Univest Corporation of Pennsylvania (the Corporation) and its wholly owned subsidiaries; the Corporation’s primary subsidiary is Univest Bank and Trust Co. (the Bank). All significant intercompany balances and transactions have been eliminated in consolidation. The unaudited interim consolidated financial statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the SEC). Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP) have been condensed or omitted pursuant to such rules and regulations for interim financial information. The accompanying unaudited consolidated financial statements reflect all adjustments which are of a normal recurring nature and are, in the opinion of management, necessary for a fair presentation of the financial statements for the interim periods presented. Certain prior period amounts have been reclassified to conform to the current-year presentation. Operating results for the nine-month period ended September 30, 2014 are not necessarily indicative of the results that may be expected for the year ended December 31, 2014. It is suggested that these unaudited consolidated financial statements be read in conjunction with the audited financial statements and the notes thereto included in the registrant’s Annual Report on Form 10-K for the year ended December 31, 2013, which was filed with the SEC on March 4, 2014.
	Use of Estimates
	The preparation of the unaudited consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant changes include fair value measurement of investment securities available-for-sale and assessment for impairment of certain investment securities, reserve for loan and lease losses, valuation of goodwill and other intangible assets, mortgage servicing rights, deferred tax assets and liabilities, benefit plans and stock-based compensation expense.
	Recent Accounting Pronouncements
	In May 2014, the Financial Accounting Standards Board (FASB) issued an Accounting Standards Update (ASU) regarding revenue from contracts with customers which clarifies the principles for recognizing revenue and develops a common standard for U.S. GAAP and International Financial Reporting Standards. The ASU establishes a core principle that would require an entity to identify the contract(s) with a customer, identify the performance obligations in the contract, determine the transaction price, allocate the transaction price to the performance obligations in the contract and recognize revenue when (or as) the entity satisfies a performance obligation. The ASU provides for improved disclosure requirements that require entities to disclose sufficient information that enables users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. This guidance is effective for fiscal years and interim periods within those years beginning after December 15, 2016, or January 1, 2017 for the Corporation. The Corporation is in the process of evaluating the impact of the adoption of this guidance on its financial statements; however, it is anticipated the impact will be only related to timing.
	In January 2014, the FASB issued an ASU regarding reclassification of residential real estate collateralized consumer mortgage loans upon foreclosure. The ASU clarifies that when an in-substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. The ASU was issued to eliminate diversity in practice on this topic. The amendment is effective for fiscal years and interim periods within those years beginning after December 15, 2014, or January 1, 2015 for the Corporation. The Corporation does not anticipate the adoption of this guidance will have a material impact on its financial statements but will result in expanded disclosures effective March 31, 2015.

Acquisitions

Acquisitions	9 Months Ended
Acquisitions	Sep. 30, 2014
Business Combinations [Abstract]	'
Acquisitions	'
	Acquisitions
	Sterner Insurance Associates
	On July 1, 2014, the Corporation and its insurance subsidiary, Univest Insurance, completed the acquisition of Sterner Insurance Associates, a full service firm providing insurance and consultative risk management solutions to individuals and businesses throughout the Lehigh Valley, Berks, Bucks and Montgomery counties.
	The Corporation paid $3.9 million in cash and assumed liabilities of $940 thousand at closing with additional contingent consideration to be paid in annual installments over the three-year period ending June 30, 2017, based on the achievement of certain levels of revenue growth and EBITDA (earnings before interest, taxes, depreciation and amortization). At the acquisition date, the Corporation recorded the estimated fair value of the contingent consideration of $635 thousand in other liabilities. The potential cash payments that could result from the contingent consideration arrangement range from $0 to a maximum of $5.7 million cumulative over the next three years. As a result of the Sterner Insurance acquisition, the Corporation recorded goodwill of $3.4 million (inclusive of the contingent consideration) and customer related intangibles of $1.6 million. The goodwill is expected to be deductible for tax purposes. The customer related intangibles are being amortized over nine years using the sum-of-the-years-digits amortization method.
	Valley Green Bank
	On June 17, 2014, the Corporation, the Bank and Valley Green Bank (Valley Green) entered into an Agreement and Plan of Merger (Merger Agreement) pursuant to which Valley Green will be merged with and into the Bank in an all-stock transaction with an aggregate value of approximately $76 million. Headquartered in the Mt. Airy neighborhood of Philadelphia, Pennsylvania, Valley Green had approximately $390 million in assets, $349 million in loans, and $353 million in deposits at June 30, 2014 and operates three full-service banking offices and two loan production offices in the greater Philadelphia marketplace.
	Under the terms of the Merger Agreement, Valley Green shareholders will receive shares of the Corporation’s common stock equal to $27.00 for each share of Valley Green stock outstanding, subject to certain adjustments depending upon the changes in the price of the Corporation’s common stock. The final exchange ratio will be based upon an average closing price of the Corporation’s common stock over the 20 consecutive trading day period ending on the day prior to the closing date.
	With the assumption of Valley Green’s three branches and two loan production offices in the Philadelphia marketplace, the Corporation enters a new small business and consumer market and expands its existing lending network within southeastern Pennsylvania. Upon the closing, Valley Green will operate as a separate division of the Bank, under the Valley Green brand. The transaction is anticipated to be accretive to the Corporation’s earnings per share in the first combined year of operations.
	The Merger Agreement has been approved by the Boards of Directors of the Corporation, the Bank and Valley Green and remains subject to approval by the shareholders of both companies, as well as their regulatory authorities. The transaction is expected to qualify as a tax-free reorganization for federal income tax purposes. The transaction is expected to close in the first quarter of 2015.
	Girard Partners
	On January 27, 2014, the Corporation completed the acquisition of Girard Partners, a registered investment advisory firm with more than $500 million in assets under management. The Corporation increased its assets under management to over $3.0 billion at the acquisition date and expanded its advisory capabilities.
	The Corporation paid $5.4 million in cash at closing with additional contingent consideration to be paid in annual installments over the five-year period ending December 31, 2018, based on the achievement of certain levels of EBITDA. As of the effective date of the acquisition, January 1, 2014, the Corporation recorded the estimated fair value of the contingent consideration of $5.5 million in other liabilities. The potential cash payments that could result from the contingent consideration arrangement range from $0 to a maximum of $14.5 million cumulative over the next 5 years. As a result of the Girard Partners acquisition, the Corporation recorded goodwill of $6.8 million (inclusive of the contingent consideration) and customer related intangibles of $4.3 million. The goodwill is expected to be deductible for tax purposes. The customer related intangibles are being amortized over 9 years using the sum-of-the-years-digits amortization method.

Investment_Securities

Investment Securities	9 Months Ended
	Sep. 30, 2014
Investments, Debt and Equity Securities [Abstract]	'
Investment Securities	'
	Investment Securities
	The following table shows the amortized cost and the estimated fair value of the held-to-maturity securities and available-for-sale securities at September 30, 2014 and December 31, 2013, by contractual maturity within each type:


		At September 30, 2014													At December 31, 2013
	(Dollars in thousands)	Amortized			Gross			Gross				Fair Value			Amortized			Gross			Gross				Fair Value
		Cost			Unrealized			Unrealized							Cost			Unrealized			Unrealized
					Gains			Losses										Gains			Losses
	Securities Held-to-Maturity
	Corporate bonds:
	Within 1 year	$	15,150		$	178		$	—			$	15,328		$	11,148		$	122		$	—			$	11,270

	After 1 year to 5 years	41,326			507			(60		)		41,773			54,855			992			(264		)		55,583

		56,476			685			(60		)		57,101			66,003			1,114			(264		)		66,853

	Total	$	56,476		$	685		$	(60	)		$	57,101		$	66,003		$	1,114		$	(264	)		$	66,853

	Securities Available-for-Sale
	U.S. treasuries:
	After 1 year to 5 years	$	4,971		$	—		$	(181	)		$	4,790		$	—		$	—		$	—			$	—

	After 5 years to 10 years	—			—			—				—			4,966			—			(258		)		4,708

		4,971			—			(181		)		4,790			4,966			—			(258		)		4,708

	U.S. government corporations and agencies:
	Within 1 year	—			—			—				—			5,999			16			—				6,015

	After 1 year to 5 years	123,207			48			(852		)		122,403			112,989			114			(1,226		)		111,877

	After 5 years to 10 years	—			—			—				—			10,816			—			(560		)		10,256

		123,207			48			(852		)		122,403			129,804			130			(1,786		)		128,148

	State and political subdivisions:
	Within 1 year	600			2			—				602			1,564			13			—				1,577

	After 1 year to 5 years	10,443			48			(18		)		10,473			5,305			14			(29		)		5,290

	After 5 years to 10 years	49,641			1,658			(124		)		51,175			41,974			710			(698		)		41,986

	Over 10 years	42,246			1,921			(10		)		44,157			57,899			1,227			(322		)		58,804

		102,930			3,629			(152		)		106,407			106,742			1,964			(1,049		)		107,657

	Residential mortgage-backed securities:
	After 1 year to 5 years	5,096			—			(32		)		5,064			—			—			—				—

	After 5 years to 10 years	4,860			—			(85		)		4,775			10,008			5			(53		)		9,960

	Over 10 years	3,681			45			(12		)		3,714			25,721			20			(221		)		25,520

		13,637			45			(129		)		13,553			35,729			25			(274		)		35,480

	Collateralized mortgage obligations:
	After 1 year to 5 years	—			—			—				—			73			—			—				73

	Over 10 years	6,580			18			(123		)		6,475			7,341			40			(253		)		7,128

		6,580			18			(123		)		6,475			7,414			40			(253		)		7,201

	Corporate bonds:
Within 1 year	4,998			34			—				5,032			—			—			—				—

After 1 year to 5 years	17,590			30			(235		)		17,385			18,838			52			(411		)		18,479

After 5 years to 10 years	20,943			4			(389		)		20,558			16,474			4			(1,117		)		15,361

	43,531			68			(624		)		42,975			35,312			56			(1,528		)		33,840

Money market mutual funds:
No stated maturity	6,442			—			—				6,442			16,900			—			—				16,900

	6,442			—			—				6,442			16,900			—			—				16,900

Equity securities:
No stated maturity	854			403			—				1,257			1,679			668			—				2,347

	854			403			—				1,257			1,679			668			—				2,347

Total	$	302,152		$	4,211		$	(2,061	)		$	304,302		$	338,546		$	2,883		$	(5,148	)		$	336,281


Expected maturities may differ from contractual maturities because debt issuers may have the right to call or prepay obligations without call or prepayment penalties. Unrealized losses in investment securities at September 30, 2014 and December 31, 2013 do not represent other-than-temporary impairments.
Securities with a carrying value of $231.5 million and $271.1 million at September 30, 2014 and December 31, 2013, respectively, were pledged to secure public deposits and for other purposes as required by law.
The following table presents information related to sales of securities available-for-sale during the nine months ended September 30, 2014 and 2013:


	Nine Months Ended September 30,
(Dollars in thousands)	2014			2013
Securities available-for-sale:
Proceeds from sales	$	30,286		$	58,148

Gross realized gains on sales	557			2,957

Gross realized losses on sales	—			7

Tax expense related to net realized gains on sales	195			1,032

Management evaluates debt securities, which are comprised of U.S. government, government sponsored agencies, municipalities, corporate bonds and other issuers, for other-than-temporary impairment by considering the current economic conditions, the length of time and the extent to which the fair value has been less than cost, interest rates and the bond rating of each security. All of the debt securities are rated as investment grade and management believes that it will not incur any losses. The unrealized losses on the Corporation’s investments in debt securities are temporary in nature since they are primarily related to market interest rates and are not related to the underlying credit quality of the issuers within our investment portfolio. The Corporation does not have the intent to sell the debt securities and believes it is more likely than not, that it will not have to sell the securities before recovery of their cost basis. The Corporation did not recognize any other-than-temporary impairment charges on debt securities for the nine months ended September 30, 2014 and 2013.
At September 30, 2014 and December 31, 2013, there were no investments in any single non-federal issuer representing more than 10% of shareholders’ equity.
The following table shows the fair value of securities that were in an unrealized loss position at September 30, 2014 and December 31, 2013 by the length of time those securities were in a continuous loss position:


	Less than						Twelve Months							Total
	Twelve Months						or Longer
(Dollars in thousands)	Fair Value			Unrealized			Fair Value				Unrealized			Fair Value			Unrealized
				Losses							Losses						Losses
At September 30, 2014
Securities Held-to-Maturity
Corporate bonds	$	13,189		$	(39	)	$	4,993			$	(21	)	$	18,182		$	(60	)

Total	$	13,189		$	(39	)	$	4,993			$	(21	)	$	18,182		$	(60	)

Securities Available-for-Sale
U.S. treasuries	$	—		$	—		$	4,790			$	(181	)	$	4,790		$	(181	)

U.S. government corporations and agencies	19,948			(52		)	77,353				(800		)	97,301			(852		)

State and political subdivisions	1,883			(4		)	11,146				(148		)	13,029			(152		)

Residential mortgage-backed securities	12,391			(129		)	—				—			12,391			(129		)

Collateralized mortgage obligations	—			—			3,807				(123		)	3,807			(123		)

Corporate bonds	17,407			(233		)	15,775				(391		)	33,182			(624		)

Total	$	51,629		$	(418	)	$	112,871			$	(1,643	)	$	164,500		$	(2,061	)

At December 31, 2013
Securities Held-to-Maturity
Corporate bonds	$	19,942		$	(264	)	$	—			$	—		$	19,942		$	(264	)

Total	$	19,942		$	(264	)	$	—			$	—		$	19,942		$	(264	)

Securities Available-for-Sale
U.S. treasuries	$	4,708		$	(258	)	$	—			$	—		$	4,708		$	(258	)

U.S. government corporations and agencies	101,813			(1,786		)	—				—			101,813			(1,786		)

State and political subdivisions	30,233			(1,049		)	—				—			30,233			(1,049		)

Residential mortgage-backed securities	29,444			(274		)	—				—			29,444			(274		)

Collateralized mortgage obligations	4,091			(253		)	—				—			4,091			(253		)

Corporate bonds	26,557			(1,528		)	—				—			26,557			(1,528		)

Total	$	196,846		$	(5,148	)	$	—			$	—		$	196,846		$	(5,148	)

Loans_and_Leases

Loans and Leases	9 Months Ended
	Sep. 30, 2014
Receivables [Abstract]	'
Loans and Leases	'
	Loans and Leases
	Summary of Major Loan and Lease Categories


	(Dollars in thousands)	At September 30, 2014				At December 31, 2013
	Commercial, financial and agricultural	$	438,556			$	422,816

	Real estate-commercial	637,904				600,353

	Real estate-construction	75,254				90,493

	Real estate-residential secured for business purpose	35,367				37,319

	Real estate-residential secured for personal purpose	163,368				149,164

	Real estate-home equity secured for personal purpose	105,191				95,345

	Loans to individuals	30,144				40,000

	Lease financings	111,952				105,994

	Total loans and leases held for investment, net of deferred income	$	1,597,736			$	1,541,484

	Unearned lease income, included in the above table	$	(13,646	)		$	(14,439	)
	Net deferred costs, included in the above table	3,045				2,744

	Overdraft deposits included in the above table	72				62

	Overdraft deposits are re-classified as loans and are included in the total loans and leases on the balance sheet.
	Age Analysis of Past Due Loans and Leases
	The following presents, by class of loans and leases, an aging of past due loans and leases, loans and leases which are current and the recorded investment in loans and leases 90 days or more past due which are accruing interest at September 30, 2014 and December 31, 2013:


	(Dollars in thousands)	30-59				60-89				90 Days				Total				Current				Total Loans				Recorded
		Days				Days				or more				Past Due								and Leases				Investment 90
		Past Due				Past Due				Past Due												Held for				Days or more
																						Investment				Past Due and
																										Accruing
																										Interest
	At September 30, 2014
	Commercial, financial and agricultural	$	1,380			$	872			$	588			$	2,840			$	435,716			$	438,556			$	—

	Real estate—commercial real estate and construction:
	Commercial real estate	9,630				—				148				9,778				628,126				637,904				—

	Construction	405				—				6,297				6,702				68,552				75,254				—

	Real estate—residential and home equity:
	Residential secured for business purpose	224				18				668				910				34,457				35,367				—

	Residential secured for personal purpose	377				424				101				902				162,466				163,368				41

	Home equity secured for personal purpose	336				127				77				540				104,651				105,191				—

	Loans to individuals	294				219				257				770				29,374				30,144				257

	Lease financings	1,918				2,218				333				4,469				107,483				111,952				46

	Total	$	14,564			$	3,878			$	8,469			$	26,911			$	1,570,825			$	1,597,736			$	344

	At December 31, 2013
	Commercial, financial and agricultural	$	386			$	922			$	2,904			$	4,212			$	418,604			$	422,816			$	12

Real estate—commercial real estate and construction:
Commercial real estate	148				262				4,932				5,342				595,011				600,353				—

Construction	—				—				8,742				8,742				81,751				90,493				—

Real estate—residential and home equity:
Residential secured for business purpose	87				276				161				524				36,795				37,319				—

Residential secured for personal purpose	1,370				—				617				1,987				147,177				149,164				—

Home equity secured for personal purpose	278				97				100				475				94,870				95,345				23

Loans to individuals	445				193				319				957				39,043				40,000				319

Lease financings	2,182				455				389				3,026				102,968				105,994				59

Total	$	4,896			$	2,205			$	18,164			$	25,265			$	1,516,219			$	1,541,484			$	413


Non-Performing Loans and Leases

The following presents, by class of loans and leases, non-performing loans and leases at September 30, 2014 and December 31, 2013:


	At September 30, 2014																At December 31, 2013
(Dollars in thousands)	Nonaccrual				Accruing				Loans and				Total Non-				Nonaccrual				Accruing				Loans and				Total Non-
	Loans and				Troubled				Leases				Performing				Loans and				Troubled				Leases				Performing
	Leases*				Debt				90 Days				Loans and				Leases*				Debt				90 Days				Loans and
					Restructured				or more				Leases								Restructured				or more				Leases
					Loans and				Past Due												Loans and				Past Due
					Lease				and												Lease				and
					Modifications				Accruing												Modifications				Accruing
									Interest																Interest
Commercial, financial and agricultural	$	5,050			$	2,657			$	—			$	7,707			$	4,253			$	1,329			$	12			$	5,594

Real estate—commercial real estate and construction:
Commercial real estate	4,482				2,806				—				7,288				8,091				4,271				—				12,362

Construction	7,570				—				—				7,570				9,159				2,307				—				11,466

Real estate—residential and home equity:
Residential secured for business purpose	822				—				—				822				224				—				—				224

Residential secured for personal purpose	526				—				41				567				1,101				—				—				1,101

Home equity secured for personal purpose	77				—				—				77				77				—				23				100

Loans to individuals	—				—				257				257				—				36				319				355

Lease financings	287				—				46				333				330				—				59				389

Total	$	18,814			$	5,463			$	344			$	24,621			$	23,235			$	7,943			$	413			$	31,591

* Includes nonaccrual troubled debt restructured loans and lease modifications of $3.4 million and $1.6 million at September 30, 2014 and December 31, 2013, respectively.

Credit Quality Indicators
The following tables present by class, the recorded investment in loans and leases held for investment by credit quality indicator at September 30, 2014 and December 31, 2013.
The Corporation employs a ten (10) grade risk rating system related to the credit quality of commercial loans and residential real estate loans secured for a business purpose of which the first six categories are pass categories (credits not adversely rated). The following is a description of the internal risk ratings and the likelihood of loss related to each risk rating. Loans with risk ratings of one through five are reviewed based on the relationship dollar amount with the borrower: loans with a relationship total of $2.5 million or greater are reviewed quarterly; loans with a relationship balance of less than $2.5 million but greater than $500 thousand are reviewed annually based on the borrower’s fiscal year; loans with a relationship balance of less than $500 thousand are reviewed only if the loan becomes 60 days or more past due. Loans with risk ratings of six are also reviewed based on the relationship dollar amount with the borrower: loans with a relationship balance of $2.0 million or greater are reviewed quarterly; loans with a relationship balance of less than $2.0 million but greater than $500 thousand are reviewed annually; loans with a relationship balance of less than $500 thousand are reviewed only if the loan becomes 60 days or more past due. Loans with risk ratings of seven are reviewed at least quarterly, and as often as monthly, at management’s discretion. Loans with risk ratings of eight through ten are reviewed monthly.


1	Cash Secured—No credit risk

2	Fully Secured—Negligible credit risk

3	Strong—Minimal credit risk

4	Satisfactory—Nominal credit risk

5	Acceptable—Moderate credit risk

6	Pre-Watch—Marginal, but stable credit risk

7	Special Mention—Potential weakness

8	Substandard—Well-defined weakness

9	Doubtful—Collection in-full improbable

10	Loss—Considered uncollectible
Commercial Credit Exposure Credit Risk by Internally Assigned Grades


(Dollars in thousands)	Commercial,				Real Estate—				Real Estate—				Real Estate—				Total
	Financial and				Commercial				Construction				Residential Secured
	Agricultural												for Business Purpose
At September 30, 2014
Grade:
1. Cash secured/ 2. Fully secured	$	4,511			$	—			$	851			$	—			$	5,362

3. Strong	7,187				8,821				3,927				—				19,935

4. Satisfactory	26,274				28,667				8,834				343				64,118

5. Acceptable	291,646				419,615				48,889				24,094				784,244

6. Pre-watch	56,775				113,842				5,088				5,022				180,727

7. Special Mention	11,904				10,283				—				1,325				23,512

8. Substandard	40,259				56,676				7,665				4,583				109,183

9. Doubtful	—				—				—				—				—

10.Loss	—				—				—				—				—

Total	$	438,556			$	637,904			$	75,254			$	35,367			$	1,187,081

At December 31, 2013
Grade:
1. Cash secured/ 2. Fully secured	$	4,763			$	2,014			$	1,682			$	—			$	8,459

3. Strong	6,051				8,515				4,300				—				18,866

4. Satisfactory	34,650				17,758				1,500				261				54,169

5. Acceptable	251,203				384,061				54,464				26,694				716,422

6. Pre-watch	84,201				113,181				16,084				5,884				219,350

7. Special Mention	10,095				19,445				—				1,841				31,381

8. Substandard	31,508				55,331				12,463				2,639				101,941

9. Doubtful	345				48				—				—				393

10.Loss	—				—				—				—				—

Total	$	422,816			$	600,353			$	90,493			$	37,319			$	1,150,981

Credit Exposure—Real Estate—Residential Secured for Personal Purpose, Real Estate—Home Equity Secured for Personal Purpose, Loans to individuals, Lease Financing Credit Risk Profile by Payment Activity
The Corporation monitors the credit risk profile by payment activity for the following classifications of loans and leases: residential real estate loans secured for a personal purpose, home equity loans secured for a personal purpose, loans to individuals and lease financings. Nonperforming loans and leases are loans past due 90 days or more, loans and leases on nonaccrual of interest and troubled debt restructured loans and lease modifications. Performing loans and leases are reviewed only if the loan becomes 60 days or more past due. Nonperforming loans and leases are reviewed monthly. Performing loans and leases have a nominal to moderate risk of loss. Nonperforming loans and leases are loans or leases with a well-defined weakness and where collection in-full is improbable.


(Dollars in thousands)	Real Estate—				Real Estate—				Loans to				Lease				Total
	Residential				Home Equity				Individuals				Financing
	Secured for				Secured for
	Personal Purpose				Personal Purpose
At September 30, 2014
Performing	$	162,801			$	105,114			$	29,887			$	111,619			$	409,421

Nonperforming	567				77				257				333				1,234

Total	$	163,368			$	105,191			$	30,144			$	111,952			$	410,655

At December 31, 2013
Performing	$	148,063			$	95,245			$	39,645			$	105,605			$	388,558

Nonperforming	1,101				100				355				389				1,945

Total	$	149,164			$	95,345			$	40,000			$	105,994			$	390,503

Risks associated with lending activities include, among other things, the impact of changes in interest rates and economic conditions, which may adversely impact the ability of borrowers to repay outstanding loans, and impact the value of the associated collateral.
Commercial, financial and agricultural loans, commercial real estate loans, construction loans and residential real estate loans with a business purpose are generally perceived as having more risk of default than residential real estate loans with a personal purpose and consumer loans. These types of loans involve larger loan balances to a single borrower or groups of related borrowers. Commercial real estate loans may be affected to a greater extent than residential loans by adverse conditions in real estate markets or the economy because commercial real estate borrowers’ ability to repay their loans depends on successful development of their properties and factors affecting residential real estate borrowers.
Commercial, financial and agricultural business loans are typically based on the borrowers’ ability to repay the loans from the cash flow of their businesses. These loans may involve greater risk because the availability of funds to repay each loan depends substantially on the success of the business itself. In addition, the collateral securing the loans often depreciates over time, is difficult to appraise and liquidate and fluctuates in value based on the success of the business.
Risk of loss on a construction loan depends largely upon whether our initial estimate of the property’s value at completion of construction equals or exceeds the cost of the property construction (including interest). During the construction phase, a number of factors can result in delays and cost overruns. If estimates of value are inaccurate or if actual construction costs exceed estimates, the value of the property securing the loan may be insufficient to ensure full repayment when completed through a permanent loan or by seizure of collateral. Included in real estate-construction is track development financing. Risk factors related to track development financing include the demand for residential housing and the real estate valuation market. When projects move slower than anticipated, the properties may have significantly lower values than when the original underwriting was completed, resulting in lower collateral values to support the loan. Extended time frames also cause the interest carrying cost for a project to be higher than the builder projected, negatively impacting the builder’s profit and cash flow and, therefore, their ability to make principal and interest payments.
Commercial real estate loans and residential real estate loans with a business purpose secured by owner-occupied properties are dependent upon the successful operation of the borrower’s business. If the operating company suffers difficulties in terms of sales volume and/or profitability, the borrower’s ability to repay the loan may be impaired. Loans secured by properties where repayment is dependent upon payment of rent by third party tenants or the sale of the property may be impacted by loss of tenants, lower lease rates needed to attract new tenants or the inability to sell a completed project in a timely fashion and at a profit.
Commercial, financial and agricultural loans, commercial real estate loans, construction loans and residential real estate loans secured for a business purpose are more susceptible to a risk of loss during a downturn in the business cycle. The Corporation has strict underwriting, review, and monitoring procedures in place, however, these procedures cannot eliminate all of the risks related to these loans.
The Corporation focuses on both assessing the borrower’s capacity and willingness to repay and on obtaining sufficient collateral. Commercial, financial and agricultural loans are generally secured by the borrower’s assets and by personal guarantees. Commercial real estate and residential real estate loans secured for a business purpose are originated primarily within the Southeastern Pennsylvania market area at conservative loan-to-value ratios and often with a guarantee of the borrowers. Management closely monitors the composition and quality of the total commercial loan portfolio to ensure that any credit concentrations by borrower or industry are closely monitored.
The Corporation originates fixed-rate and adjustable-rate real estate-residential mortgage loans that are secured by the underlying 1- to 4-family residential properties for personal purposes. Credit risk exposure in this area of lending is minimized by the evaluation of the credit worthiness of the borrower, including debt-to-equity ratios, credit scores and adherence to underwriting policies that emphasize conservative loan-to-value ratios of generally no more than 80%. Residential mortgage loans granted in excess of the 80% loan-to-value ratio criterion are generally insured by private mortgage insurance.
In the real estate-home equity loan portfolio secured for a personal purpose, credit exposure is minimized by the evaluation of the creditworthiness of the borrower, including debt-to-equity ratios, credit scores and adherence to the Corporation’s underwriting policies. Combined loan-to-value ratios are generally limited to 80%, but increased to 85% for the Corporation’s strongest profile borrower. Other credit considerations and compensating factors may warrant higher combined loan-to-value ratios.
Credit risk for direct consumer loans is controlled by strict adherence to conservative underwriting standards that consider debt-to-income levels and the creditworthiness of the borrower and, if secured, collateral values. These loans are included within the portfolio of loans to individuals.
The primary risks that are involved with lease financing receivables are credit underwriting and borrower industry concentrations. The Corporation has strict underwriting, review, and monitoring procedures in place to mitigate this risk. Risk also lies in the residual value of the underlying equipment. Residual values are subject to judgments as to the value of the underlying equipment that can be affected by changes in economic and market conditions and the financial viability of the residual guarantors and insurers. To the extent not guaranteed or assumed by a third party, or otherwise insured against, the Corporation bears the risk of ownership of the leased assets. This includes the risk that the actual value of the leased assets at the end of the lease term will be less than the residual value. The Corporation greatly reduces this risk primarily by using $1.00 buyout leases, in which the entire cost of the leased equipment is included in the contractual payments, leaving no residual payment at the end of the lease terms.
Reserve for Loan and Lease Losses and Recorded Investment in Loans and Leases
The following presents, by portfolio segment, a summary of the activity in the reserve for loan and lease losses, the balance in the reserve for loan and lease losses disaggregated on the basis of impairment method and the recorded investment in loans and leases disaggregated on the basis of impairment method for the three and nine months ended September 30, 2014 and 2013:


(Dollars in thousands)	Commercial,				Real Estate—				Real Estate—				Real Estate—				Loans to				Lease				Unallocated				Total
	Financial				Commercial				Residential				Residential				Individuals				Financings
	and				and				Secured for				and Home
	Agricultural				Construction				Business				Equity
									Purpose				Secured for
													Personal
													Purpose
Three Months Ended September 30, 2014
Reserve for loan and lease losses:
Beginning balance	$	9,714			$	9,263			$	1,025			$	1,248			$	405			$	1,101			$	1,338			$	24,094

Charge-offs	(968		)		(1,570		)		(26		)		(18		)		(169		)		(106		)		N/A				(2,857		)

Recoveries	88				58				9				2				53				82				N/A				292

Provision (recovery of provision)	(1,219		)		1,337				(48		)		(54		)		43				38				136				233

Ending balance	$	7,615			$	9,088			$	960			$	1,178			$	332			$	1,115			$	1,474			$	21,762

Three Months Ended September 30, 2013
Reserve for loan and lease losses:
Beginning balance	$	11,395			$	8,662			$	586			$	1,084			$	693			$	1,212			$	1,086			$	24,718

Charge-offs	(812		)		(2,784		)		(38		)		(133		)		(216		)		(211		)		N/A				(4,194		)

Recoveries	85				—				1				2				60				69				N/A				217

(Recovery of provision) provision	(152		)		2,542				682				249				169				198				406				4,094

Ending balance	$	10,516			$	8,420			$	1,231			$	1,202			$	706			$	1,268			$	1,492			$	24,835

Nine Months Ended September 30, 2014
Reserve for loan and lease losses:
Beginning balance	$	9,789			$	8,780			$	1,062			$	1,284			$	694			$	1,285			$	1,600			$	24,494

Charge-offs	(2,657		)		(2,878		)		(140		)		(108		)		(659		)		(396		)		N/A				(6,838		)

Recoveries	197				428				57				29				212				224				N/A				1,147

Provision (recovery of provision)	286				2,758				(19		)		(27		)		85				2				(126		)		2,959

Ending balance	$	7,615			$	9,088			$	960			$	1,178			$	332			$	1,115			$	1,474			$	21,762

Nine Months Ended September 30, 2013
Reserve for loan and lease losses:
Beginning balance	$	11,594			$	7,507			$	639			$	980			$	679			$	1,326			$	2,021			$	24,746

Charge-offs	(1,973		)		(6,857		)		(112		)		(160		)		(620		)		(637		)		N/A				(10,359		)

Recoveries	172				48				9				5				172				428				N/A				834

Provision (recovery of provision)	723				7,722				695				377				475				151				(529		)		9,614

Ending balance	$	10,516			$	8,420			$	1,231			$	1,202			$	706			$	1,268			$	1,492			$	24,835

N/A – Not applicable


(Dollars in thousands)	Commercial,				Real Estate—				Real Estate—				Real Estate—				Loans to				Lease				Unallocated				Total
	Financial				Commercial				Residential				Residential				Individuals				Financings
	and				and				Secured for				and Home
	Agricultural				Construction				Business				Equity
									Purpose				Secured for
													Personal
													Purpose
At September 30, 2014
Reserve for loan and lease losses:
Ending balance: individually evaluated for impairment	$	685			$	27			$	430			$	—			$	—			$	—			N/A				$	1,142

Ending balance: collectively evaluated for impairment	6,930				9,061				530				1,178				332				1,115				1,474				20,620

Total ending balance	$	7,615			$	9,088			$	960			$	1,178			$	332			$	1,115			$	1,474			$	21,762

Loans and leases held for investment:
Ending balance: individually evaluated for impairment	$	18,214			$	37,341			$	2,921			$	603			$	—			$	—							$	59,079

Ending balance: collectively evaluated for impairment	420,342				675,817				32,446				267,956				30,144				111,952								1,538,657

Total ending balance	$	438,556			$	713,158			$	35,367			$	268,559			$	30,144			$	111,952							$	1,597,736

At September 30, 2013
Reserve for loan and lease losses:
Ending balance: individually evaluated for impairment	$	2,210			$	111			$	775			$	—			$	—			$	—			N/A				$	3,096

Ending balance: collectively evaluated for impairment	8,306				8,309				456				1,202				706				1,268				1,492				21,739

Total ending balance	$	10,516			$	8,420			$	1,231			$	1,202			$	706			$	1,268			$	1,492			$	24,835

Loans and leases held for investment:
Ending balance: individually evaluated for impairment	$	14,029			$	50,242			$	1,776			$	720			$	37			$	—							$	66,804

Ending balance: collectively evaluated for impairment	416,789				630,635				33,897				233,181				42,174				102,761								1,459,437

Total ending balance	$	430,818			$	680,877			$	35,673			$	233,901			$	42,211			$	102,761							$	1,526,241

N/A – Not applicable
Impaired Loans
The following presents, by class of loans, the recorded investment and unpaid principal balance of impaired loans, the amounts of the impaired loans for which there is not an allowance for credit losses and the amounts for which there is an allowance for credit losses at September 30, 2014 and December 31, 2013:


	At September 30, 2014												At December 31, 2013
(Dollars in thousands)	Recorded				Unpaid				Related				Recorded				Unpaid				Related
	Investment				Principal				Allowance				Investment				Principal				Allowance
					Balance												Balance
Impaired loans with no related allowance recorded:
Commercial, financial and agricultural	$	14,777			$	15,213							$	10,890			$	11,749

Real estate—commercial real estate	27,430				28,545								28,883				35,700

Real estate—construction	7,665				8,902								12,357				14,540

Real estate—residential secured for business purpose	1,371				1,400								224				235

Real estate—residential secured for personal purpose	526				547								131				131

Real estate—home equity secured for personal purpose	77				77								77				77

Loans to individuals	—				—								36				54

Total impaired loans with no allowance recorded	$	51,846			$	54,684							$	52,598			$	62,486

Impaired loans with an allowance recorded:
Commercial, financial and agricultural	$	3,437			$	3,437			$	685			$	3,215			$	3,272			$	2,398

Real estate—commercial real estate	2,246				2,246				27				—				—				—

Real estate—residential secured for business purpose	1,550				1,550				430				1,550				1,550				501

Real estate—residential secured for personal purpose	—				—				—				970				976				64

Total impaired loans with an allowance recorded	$	7,233			$	7,233			$	1,142			$	5,735			$	5,798			$	2,963




	At September 30, 2014												At December 31, 2013
(Dollars in thousands)	Recorded				Unpaid				Related				Recorded				Unpaid				Related
	Investment				Principal				Allowance				Investment				Principal				Allowance
					Balance												Balance
Total impaired loans:
Commercial, financial and agricultural	$	18,214			$	18,650			$	685			$	14,105			$	15,021			$	2,398

Real estate—commercial real estate	29,676				30,791				27				28,883				35,700				—

Real estate—construction	7,665				8,902				—				12,357				14,540				—

Real estate—residential secured for business purpose	2,921				2,950				430				1,774				1,785				501

Real estate—residential secured for personal purpose	526				547				—				1,101				1,107				64

Real estate—home equity secured for personal purpose	77				77				—				77				77				—

Loans to individuals	—				—				—				36				54				—

Total impaired loans	$	59,079			$	61,917			$	1,142			$	58,333			$	68,284			$	2,963

Impaired loans includes nonaccrual loans and leases, accruing troubled debt restructured loans and lease modifications and other accruing impaired loans for which it is probable that not all principal and interest payments due will be collectible in accordance with the contractual terms. These loans are individually measured to determine the amount of potential impairment. The loans are reviewed for impairment based on the fair value of the collateral for collateral dependent loans and for certain loans based on discounted cash flows using the loans’ initial effective interest rates. Impaired loans included other accruing impaired loans of $35.1 million and $27.5 million at September 30, 2014 and December 31, 2013, respectively. Specific reserves on other accruing impaired loans were $1.0 million and $1.6 million at September 30, 2014 and December 31, 2013, respectively.
The following presents by class of loans, the average recorded investment in impaired loans and an analysis of interest on impaired loans. A loan may remain on accrual status if it is in the process of collection and is either guaranteed or well secured. Therefore, interest income on accruing impaired loans is recognized using the accrual method.



	Three Months Ended September 30, 2014												Three Months Ended September 30, 2013
(Dollars in thousands)	Average				Interest				Additional				Average				Interest				Additional
	Recorded				Income				Interest Income				Recorded				Income				Interest Income
	Investment				Recognized*				That Would				Investment				Recognized*				That Would
									Have Been												Have Been
									Recognized												Recognized
									Under Original												Under Original
									Terms												Terms
Commercial, financial and agricultural	$	16,577			$	150			$	72			$	5,971			$	29			$	70

Real estate—commercial real estate	26,531				281				82				22,789				171				150

Real estate—construction	9,982				20				116				14,544				25				184

Real estate—residential secured for business purpose	2,643				19				13				585				2				2

Real estate—residential secured for personal purpose	590				—				9				725				—				11

Real estate—home equity secured for personal purpose	84				—				1				—				—				—

Loans to individuals	1				—				—				37				1				—

Total	$	56,408			$	470			$	293			$	44,651			$	228			$	417


*	There was no interest income recognized on a cash basis for nonaccrual loans for the three months ended September 30, 2014 and 2013; includes interest income recognized on the accrual method for accruing impaired loans of $470 thousand and $228 thousand for the three months ended September 30, 2014 and 2013, respectively.



	Nine Months Ended September 30, 2014												Nine Months Ended September 30, 2013
(Dollars in thousands)	Average				Interest				Additional				Average				Interest				Additional
	Recorded				Income				Interest Income				Recorded				Income				Interest Income
	Investment				Recognized*				That Would				Investment				Recognized*				That Would
									Have Been												Have Been
									Recognized												Recognized
									Under Original												Under Original
									Terms												Terms
Commercial, financial and agricultural	$	14,806			$	401			$	188			$	3,985			$	45			$	132

Real estate—commercial real estate	25,734				816				248				23,138				473				566

Real estate—construction	11,499				103				363				15,291				81				553

Real estate—residential secured for business purpose	2,400				52				48				341				2				7

Real estate—residential secured for personal purpose	779				—				41				758				—				35

Real estate—home equity secured for personal purpose	82				—				3				2				—				—

Loans to individuals	5				—				—				41				3				—

Total	$	55,305			$	1,372			$	891			$	43,556			$	604			$	1,293


*	Includes interest income recognized on a cash basis for nonaccrual loans of $23 thousand and $6 thousand for the nine months ended September 30, 2014 and 2013, respectively and interest income recognized on the accrual method for accruing impaired loans of $1.3 million and $598 thousand for the nine months ended September 30, 2014 and 2013, respectively.
Troubled Debt Restructured Loans
The following presents, by class of loans, information regarding accruing and nonaccrual loans that were restructured:


	Three Months Ended September 30, 2014															Three Months Ended September 30, 2013
(Dollars in thousands)	Number			Pre-				Post-				Related				Number			Pre-				Post-				Related
	of			Restructuring				Restructuring				Allowance				of			Restructuring				Restructuring				Allowance
	Loans			Outstanding				Outstanding								Loans			Outstanding				Outstanding
				Recorded				Recorded											Recorded				Recorded
				Investment				Investment											Investment				Investment
Accruing Troubled Debt Restructured Loans:
Commercial, financial and agricultural	3			$	1,424			$	1,424			$	132			—			$	—			$	—			$	—

Real estate—commercial real estate	1			1,000				1,000				—				3			1,569				1,569				—

Real estate—construction	—			—				—				—				1			459				459				—

Total	4			$	2,424			$	2,424			$	132			4			$	2,028			$	2,028			$	—

Nonaccrual Troubled Debt Restructured Loans:
Total	—			$	—			$	—			$	—			—			$	—			$	—			$	—




	Nine Months Ended September 30, 2014															Nine Months Ended September 30, 2013
(Dollars in thousands)	Number			Pre-				Post-				Related				Number			Pre-				Post-				Related
	of			Restructuring				Restructuring				Allowance				of			Restructuring				Restructuring				Allowance
	Loans			Outstanding				Outstanding								Loans			Outstanding				Outstanding
				Recorded				Recorded											Recorded				Recorded
				Investment				Investment											Investment				Investment
Accruing Troubled Debt Restructured Loans:
Commercial, financial and agricultural	3			$	1,424			$	1,424			$	132			1			$	1,000			$	1,000			$	—

Real estate—commercial real estate	1			1,000				1,000				—				3			1,569				1,569				—

Real estate—construction	—			—				—				—				1			459				459				—

Total	4			$	2,424			$	2,424			$	132			5			$	3,028			$	3,028			$	—

Nonaccrual Troubled Debt Restructured Loans:
Real estate—commercial real estate	1			$	50			$	50			$	—			—			$	—			$	—			$	—

Real estate—residential secured for business purpose	2			688				688				—				—			—				—				—

Total	3			$	738			$	738			$	—			—			$	—			$	—			$	—

The Corporation grants concessions primarily related to extensions of interest-only payment periods and an occasional payment modification. These modifications typically are for a short-term basis up to one year. Our goal when restructuring a credit is to establish a reasonable period of time to provide cash flow relief to customers experiencing cash flow difficulties. Accruing troubled debt restructured loans are primarily comprised of loans on which interest is being accrued under the restructured terms, and the loans are current or less than ninety days past due.

The following presents, by class of loans, information regarding the types of concessions granted on accruing and nonaccrual loans that were restructured during the three and nine months ended September 30, 2014 and 2013.


	Interest Only Term							Temporary Payment							Interest Rate							Maturity Date							Payments Suspended					Total Concessions
	Extension							Reduction							Reduction							Extension												Granted
(Dollars in thousands)	No. of			Amount				No. of			Amount				No. of			Amount				No. of			Amount				No. of			Amount		No. of	Amount
	Loans							Loans							Loans							Loans							Loans					Loans
Three Months Ended September 30, 2014
Accruing Troubled Debt Restructured Loans:
Commercial, financial and agricultural	—			$	—			—			$	—			—			$	—			2			$	1,299			1			$	125	3	$	1,424

Real estate—commercial real estate	—			—				—			—				—			—				1			1,000				—			—		1	1,000

Total	—			$	—			—			$	—			—			$	—			3			$	2,299			1			$	125	4	$	2,424

Nonaccrual Troubled Debt Restructured Loans:
Total	—			$	—			—			$	—			—			$	—			—			$	—			—			$	—	—	$	—

Three Months Ended September 30, 2013
Accruing Troubled Debt Restructured Loans:
Real estate—commercial real estate	—			$	—			1			$	756			—			$	—			2			$	813			—			$	—	3	$	1,569

Real estate—construction	—			—				—			—				—			—				1			459				—			—		1	459

Total	—			$	—			1			$	756			—			$	—			3			$	1,272			—			$	—	4	$	2,028

Nonaccrual Troubled Debt Restructured Loans:
Total	—			$	—			—			$	—			—			$	—			—			$	—			—			$	—	—	$	—

Nine Months Ended September 30, 2014
Accruing Troubled Debt Restructured Loans:
Commercial, financial and agricultural	—			$	—			—			$	—			—			$	—			2			$	1,299			1			$	125	3	$	1,424

Real estate—commercial real estate	—			—				—			—				—			—				1			1,000				—			—		1	1,000

Total	—			$	—			—			$	—			—			$	—			3			$	2,299			1			$	125	4	$	2,424

Nonaccrual Troubled Debt Restructured Loans:
Real estate—commercial real estate	—			$	—			—			$	—			1			$	50			—			$	—			—			$	—	1	$	50

Real estate—residential secured for business purpose	—			—				—			—				1			55				1			633				—			—		2	688

Total	—			$	—			—			$	—			2			$	105			1			$	633			—			$	—	3	$	738

Nine Months Ended September 30, 2013
Accruing Troubled Debt Restructured Loans:
Commercial, financial and agricultural	1			$	1,000			—			$	—			—			$	—			—			$	—			—			$	—	1	$	1,000

Real estate—commercial real estate	—			—				1			756				—			—				2			813				—			—		3	1,569

Real estate—construction	—			—				—			—				—			—				1			459				—			—		1	459

Total	1			$	1,000			1			$	756			—			$	—			3			$	1,272			—			$	—	5	$	3,028

Nonaccrual Troubled Debt Restructured Loans:
Total	—			$	—			—			$	—			—			$	—			—			$	—			—			$	—	—	$	—

The following presents, by class of loans, information regarding accruing and nonaccrual troubled debt restructured loans, for which there were payment defaults within twelve months of the restructuring date:


	Three Months Ended September 30,														Nine Months Ended September 30,
	2014							2013							2014							2013
(Dollars in thousands)	Number			Recorded				Number			Recorded				Number			Recorded				Number			Recorded
	of Loans			Investment				of Loans			Investment				of Loans			Investment				of Loans			Investment
Accruing Troubled Debt Restructured Loans:
Commercial, financial and agricultural	—			$	—			1			$	1,000			—			$	—			4			$	1,230

Total	—			$	—			1			$	1,000			—			$	—			4			$	1,230

Nonaccrual Troubled Debt Restructured Loans:
Total	—			$	—			—			$	—			—			$	—			—			$	—

Mortgage_Servicing_Rights

Mortgage Servicing Rights	9 Months Ended
	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]	'
Mortgage Servicing Rights	'
	Mortgage Servicing Rights
	The Corporation has originated mortgage servicing rights which are included in other intangible assets on the consolidated balance sheets. Mortgage servicing rights are amortized in proportion to, and over the period of, estimated net servicing income on a basis similar to the interest method and an accelerated amortization method for loan payoffs. Mortgage servicing rights are subject to impairment testing on a quarterly basis. The aggregate fair value of these rights was $7.3 million and $7.2 million at September 30, 2014 and December 31, 2013, respectively. The fair value of mortgage servicing rights was determined using a discount rate of 10.0% at September 30, 2014, and discount rates ranging from 5.0% to 10.0% at December 31, 2013.
	Changes in the mortgage servicing rights balance are summarized as follows:


		Three Months Ended September 30,						Nine Months Ended September 30,
	(Dollars in thousands)	2014			2013			2014			2013
	Beginning of period	$	5,378		$	5,227		$	5,519		$	4,152

	Servicing rights capitalized	365			544			724			2,183

	Amortization of servicing rights	(561		)	(287		)	(1,068		)	(1,099		)
	Changes in valuation allowance	243			—			250			248

	End of period	$	5,425		$	5,484		$	5,425		$	5,484

	Mortgage loans serviced for others	$	779,701		$	736,017		$	779,701		$	736,017

	Activity in the valuation allowance for mortgage servicing rights was as follows:


		Three Months Ended September 30,						Nine Months Ended September 30,
	(Dollars in thousands)	2014			2013			2014			2013
	Valuation allowance, beginning of period	$	(243	)	$	(249	)	$	(250	)	$	(497	)
	Additions	—			—			—			—

	Reductions	243			—			250			248

	Direct write-downs	—			—			—			—

	Valuation allowance, end of period	$	—		$	(249	)	$	—		$	(249	)

	The estimated amortization expense of mortgage servicing rights for the remainder of 2014 and the succeeding fiscal years is as follows:


	Year	(Dollars in thousands)	Amount
	Remainder of 2014		$	206

	2015		799

	2016		693

	2017		596

	2018		511

	Thereafter		2,620

Income_Taxes

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2014
Income Tax Disclosure [Abstract]	'
Income Taxes	'
	Income Taxes
	At September 30, 2014 and December 31, 2013, the Corporation had no material unrecognized tax benefits, accrued interest or penalties. Penalties are recorded in noninterest expense in the year they are assessed and are treated as a non-deductible expense for tax purposes. Interest is recorded in noninterest expense in the year it is assessed and is treated as a deductible expense for tax purposes. At September 30, 2014, the Corporation’s tax years 2011 through 2013 remain subject to federal examination as well as examination by state taxing jurisdictions.

Retirement_Plans_and_Other_Pos

Retirement Plans and Other Postretirement Benefits	9 Months Ended
	Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract]	'
Retirement Plans and Other Postretirement Benefits	'
	Retirement Plans and Other Postretirement Benefits
	Substantially all employees who were hired before December 8, 2009 are covered by a noncontributory retirement plan. Employees hired on or after December 8, 2009 are not eligible to participate in the noncontributory retirement plan. The Corporation also provides supplemental executive retirement benefits, a portion of which is in excess of limits imposed on qualified plans by federal tax law. These plans are non-qualified benefit plans. Information on these plans are aggregated and reported under “Retirement Plans” within this footnote.
	The Corporation also provides certain postretirement healthcare and life insurance benefits for retired employees. Information on these benefits is reported under “Other Postretirement Benefits” within this footnote.
	The Corporation sponsors a Supplemental Non-Qualified Pension Plan which was established in 1981 prior to the existence of a 401(k) deferred salary savings plan, employee stock purchase plan and long-term incentive plans and therefore is not offered to new participants.
	Information with respect to the Retirement Plans and Other Postretirement Benefits follows:
	Components of net periodic benefit cost (income) were as follows:


		Three Months Ended September 30,
		2014			2013			2014			2013
	(Dollars in thousands)	Retirement Plans						Other Post Retirement
								Benefits
	Service cost	$	137		$	155		$	19		$	23

	Interest cost	476			427			32			30

	Expected return on plan assets	(746		)	(630		)	—			—

	Amortization of net actuarial loss	164			314			4			6

	Accretion of prior service cost	(71		)	(58		)	(1		)	(6		)
	Net periodic benefit (income) cost	$	(40	)	$	208		$	54		$	53




		Nine Months Ended September 30,
		2014			2013			2014			2013
	(Dollars in thousands)	Retirement Plans						Other Post Retirement
								Benefits
	Service cost	$	410		$	466		$	56		$	69

	Interest cost	1,426			1,284			99			86

	Expected return on plan assets	(2,236		)	(1,894		)	—			—

	Amortization of net actuarial loss	490			943			9			18

	Accretion of prior service cost	(212		)	(176		)	(4		)	(15		)
	Net periodic benefit (income) cost	$	(122	)	$	623		$	160		$	158

	The Corporation previously disclosed in its financial statements for the year ended December 31, 2013, that it expected to make contributions of $162 thousand to its non-qualified retirement plans and $94 thousand to its other postretirement benefit plans in 2014. During the nine months ended September 30, 2014, the Corporation contributed $90 thousand to its non-qualified retirement plans and $69 thousand to its other postretirement plans. During the nine months ended September 30, 2014, $1.5 million has been paid to participants from the retirement plans and $69 thousand has been paid to participants from the other postretirement plans.

Earnings_per_Share

Earnings per Share	9 Months Ended
	Sep. 30, 2014
Earnings Per Share, Basic and Diluted [Abstract]	'
Earnings per Share	'
	Earnings per Share
	The following table sets forth the computation of basic and diluted earnings per share:


		Three Months Ended				Nine Months Ended
		September 30,				September 30,
	(Dollars and shares in thousands, except per share data)	2014		2013		2014		2013
	Numerator for basic and diluted earnings per share—income available to common shareholders	$	6,235	$	6,039	$	17,041	$	16,267

	Denominator for basic earnings per share—weighted-average shares outstanding	16,226		16,658		16,241		16,714

	Effect of dilutive securities—employee stock options and awards	88		84		90		61

	Denominator for diluted earnings per share—adjusted weighted-average shares outstanding	16,314		16,742		16,331		16,775

	Basic earnings per share	$	0.38	$	0.36	$	1.05	$	0.97

	Diluted earnings per share	$	0.38	$	0.36	$	1.04	$	0.97

	Average anti-dilutive options and awards excluded from computation of diluted earnings per share	503		470		499		567

Accumulated_Other_Comprehensiv

Accumulated Other Comprehensive (Loss) Income	9 Months Ended
	Sep. 30, 2014
Equity [Abstract]	'
Accumulated Other Comprehensive (Loss) Income	'
	Accumulated Other Comprehensive (Loss) Income
	The following table shows the components of accumulated other comprehensive (loss) income, net of taxes, for the periods presented:


	(Dollars in thousands)	Net Unrealized				Net Change				Net Change				Accumulated
		(Losses) Gains on				Related to				Related to				Other
		Available-for-Sale				Derivative Used				Defined Benefit				Comprehensive
		Investment				for Cash Flow				Pension Plan				(Loss) Income
		Securities				Hedge
	Balance, December 31, 2013	$	(1,472	)		$	—			$	(8,483	)		$	(9,955	)

	Net Change	2,869				—				185				3,054

	Balance, September 30, 2014	$	1,397			$	—			$	(8,298	)		$	(6,901	)

	Balance, December 31, 2012	$	8,344			$	(1,241	)		$	(14,023	)		$	(6,920	)

	Net Change	(8,524		)		1,241				500				(6,783		)

	Balance, September 30, 2013	$	(180	)		$	—			$	(13,523	)		$	(13,703	)

	The following table illustrates the amounts reclassified out of each component of accumulated comprehensive (loss) income for the three and nine months ended September 30, 2014 and 2013:


	Details about Accumulated Other		Amount Reclassified from Accumulated															Affected Line Item in the
	Comprehensive (Loss) Income Components		Other Comprehensive (Loss) Income															Statement of Income
			Three Months Ended								Nine Months Ended
			September 30,								September 30,
	(Dollars in thousands)		2014				2013				2014				2013
	Net unrealized holding gains (losses) on available-for-sale investment securities:
			$	—			$	1,426			$	557			$	2,950		Net gain on sales of investment securities

			—				1,426				557				2,950			Total before tax

			—				(499		)		(195		)		(1,032		)	Tax expense

			$	—			$	927			$	362			$	1,918		Net of tax

	Cash flow hedge derivative:
			$	—			$	—			$	—			$	(1,866	)	Net loss on interest rate swap

			—				—				—				(1,866		)	Total before tax

			—				—				—				653			Tax benefit

			$	—			$	—			$	—			$	(1,213	)	Net of tax

	Defined benefit pension plans:
	Amortization of net loss included in net periodic pension costs*		$	(168	)		$	(320	)		$	(499	)		$	(961	)
	Accretion of prior service cost included in net periodic pension costs*		72				64				216				191

			(96		)		(256		)		(283		)		(770		)	Total before tax
			33				90				98				270			Tax benefit

			$	(63	)		$	(166	)		$	(185	)		$	(500	)	Net of tax

	*	These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension cost. (See Note 7—Retirement Plans and Other Postretirement Benefits for additional details.)

Derivative_Instruments_and_Hed

Derivative Instruments and Hedging Activities	9 Months Ended
	Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Derivative Instruments and Hedging Activities	'
	Derivative Instruments and Hedging Activities
	The Corporation may use interest-rate swap agreements to modify interest rate characteristics from variable to fixed or fixed to variable in order to reduce the impact of interest rate changes on future net interest income. Recorded amounts related to interest-rate swaps are included in other assets or liabilities. The Corporation’s credit exposure on interest rate swaps includes fair value and any collateral that is held by a third party. Changes in the fair value of derivative instruments designated as hedges of future cash flows are recognized in accumulated other comprehensive income until the underlying forecasted transactions occur, at which time the deferred gains and losses are recognized in earnings. For a qualifying fair value hedge, the gain or loss on the hedging instrument is recognized in earnings, and the change in fair value of the hedge item, to the extent attributable to the hedged risk, adjusts the carrying amount of the hedge item and is recognized in earnings.
	Derivative loan commitments represent agreements for delayed delivery of financial instruments in which the buyer agrees to purchase and the seller agrees to deliver, at a specified future date, a specified instrument at a specified price or yield. The Corporation’s derivative loan commitments are commitments to sell loans secured by 1-to 4-family residential properties whose predominant risk characteristic is interest rate risk. The fair values of these derivative loan commitments are based upon the estimated amount the Corporation would receive or pay to terminate the contracts or agreements, taking into account current interest rates and, when appropriate, the current creditworthiness of the counterparties.
	The following table presents the notional amounts and fair values of derivatives not designated as hedging instruments recorded on the consolidated balance sheets at September 30, 2014 and December 31, 2013:


						Derivative Assets				Derivative Liabilities
	(Dollars in thousands)	Notional				Balance Sheet	Fair			Balance Sheet		Fair
		Amount				Classification	Value			Classification		Value
	At September 30, 2014
	Interest rate locks with customers	$	25,926			Other Assets	$	660				$	—

	Forward loan sale commitments	28,195					—			Other Liabilities		90

	Total	$	54,121				$	660				$	90

	At December 31, 2013
	Interest rate locks with customers	$	15,176			Other Assets	$	321				$	—

	Forward loan sale commitments	17,425				Other Assets	25					—

	Total	$	32,601				$	346				$	—

	There were no derivatives designated as hedging instruments recorded on the consolidated balance sheets at September 30, 2014 and December 31, 2013.
	For the three and nine months ended September 30, 2014 and 2013, the amounts included in the consolidated statements of income for derivatives not designated as hedging instruments are shown in the table below:


		Statement of Income Classification		Three Months Ended						Nine Months Ended
				September 30,						September 30,
	(Dollars in thousands)			2014			2013			2014				2013
	Interest rate locks with customers	Net loss (gain) on mortgage banking activities		$	(109	)	$	913		$	339			$	(698	)

	Forward loan sale commitments	Net gain (loss) on mortgage banking activities		99			(1,133		)	(114		)		(307		)

	Total			$	(10	)	$	(220	)	$	225			$	(1,005	)

	For the three and nine months ended September 30, 2014 and 2013, the amounts included in the consolidated statements of income for derivatives designated as hedging instruments are shown in the table below:


		Statement of Income Classification		Three Months Ended						Nine Months Ended
				September 30,						September 30,
	(Dollars in thousands)			2014			2013			2014				2013
	Interest rate swap—cash flow hedge—loss on termination	Net loss on termination of interest rate swap		$	—		$	—		$	—			$	(1,866	)

	Interest rate swap—cash flow hedge—interest payments	Interest expense		—			—			—				124

	Interest rate swap—cash flow hedge—ineffectiveness	Interest expense		—			—			—				—

	Net loss			$	—		$	—		$	—			$	(1,990	)

Fair_Value_Disclosures

Fair Value Disclosures	9 Months Ended
	Sep. 30, 2014
Fair Value Disclosures [Abstract]	'
Fair Value Disclosures	'
	Fair Value Disclosures
	Fair value is the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The Corporation determines the fair value of its financial instruments based on the fair value hierarchy. The Corporation maximizes the use of observable inputs and minimizes the use of unobservable inputs when measuring fair value. Observable inputs are inputs that market participants would use in pricing the asset or liability developed based on market data obtained from sources independent of the Corporation. Unobservable inputs are inputs that reflect the Corporation’s assumptions that the market participants would use in pricing the asset or liability based on the best information available in the circumstances, including assumptions about risk. Three levels of inputs are used to measure fair value. A financial instrument’s level within the fair value hierarchy is based on the lowest level of input significant to the fair value measurement. Transfers between levels are recognized at the end of the reporting period.
	Level 1: Valuations are based on quoted prices in active markets for identical assets or liabilities that the Corporation can access at the measurement date. Since valuations are based on quoted prices that are readily and regularly available in an active market, valuation of these products does not entail a significant degree of judgment.
	Level 2: Valuations are based on quoted prices in markets that are not active or for which all significant inputs are observable, either directly or indirectly.
	Level 3: Valuations are based on inputs that are unobservable and significant to the overall fair value measurement. Assets and liabilities utilizing Level 3 inputs include: financial instruments whose value is determined using pricing models, discounted cash-flow methodologies, or similar techniques, as well as instruments for which the fair value calculation requires significant management judgment or estimation.
	Following is a description of the valuation methodologies used for instruments measured at fair value on a recurring basis, as well as the general classification of such instruments pursuant to the valuation hierarchy.
	Investment Securities
	Where quoted prices are available in an active market for identical instruments, investment securities are classified within Level 1 of the valuation hierarchy. Level 1 investment securities include U.S. Treasury securities, most equity securities and money market mutual funds. Mutual funds are registered investment companies which are valued at net asset value of shares on a market exchange at the close of business at period end. If quoted market prices are not available, then fair values are estimated by using pricing models, quoted prices of securities with similar characteristics or discounted cash flows. Examples of instruments, which would generally be classified within Level 2 of the valuation hierarchy, include securities issued by U.S. Government sponsored enterprises, mortgage-backed securities, collateralized mortgage obligations, corporate and municipal bonds and certain equity securities. In cases where there is limited activity or less transparency around inputs to the valuation, investment securities are classified within Level 3 of the valuation hierarchy.
	Fair values for securities are determined using independent pricing services and market-participating brokers. The Corporation’s independent pricing service utilizes evaluated pricing models that vary by asset class and incorporate available trade, bid and other market information for structured securities, cash flow and, when available, loan performance data. Because many fixed income securities do not trade on a daily basis, the pricing service’s evaluated pricing applications apply information as applicable through processes, such as benchmarking of like securities, sector groupings, and matrix pricing, to prepare evaluations. If at any time, the pricing service determines that it does have not sufficient verifiable information to value a particular security, the Corporation will utilize valuations from another pricing service. Management has a sufficient understanding of the third party service’s valuation models, assumptions and inputs used in determining the fair value of securities to enable management to maintain an appropriate system of internal control.
	On a quarterly basis, the Corporation reviews changes, as submitted by the pricing service, in the market value of its security portfolio. Individual changes in valuations are reviewed for consistency with general interest rate movements and any known credit concerns for specific securities. Additionally, on an annual basis, the Corporation has its security portfolio priced by a second pricing service to determine consistency with another market evaluator, except for municipal bonds which are priced by another service provider on a sample basis. If, upon the Corporation’s review or in comparing with another servicer, a material difference between pricing evaluations were to exist, the Corporation may submit an inquiry to its current pricing service regarding the data used to make the valuation of a particular security. If the Corporation determines it has market information that would support a different valuation than its current pricing service’s evaluation it can submit a challenge for a change to that security’s valuation. There were no material differences in valuations noted at September 30, 2014.
	Derivative Financial Instruments
	The fair values of derivative financial instruments are based upon the estimated amount the Corporation would receive or pay to terminate the contracts or agreements, taking into account current interest rates and, when appropriate, the current creditworthiness of the counterparties. Derivative financial instruments are classified within Level 2 of the valuation hierarchy.

	Contingent Consideration Liability
	The Corporation estimates the fair value of the contingent consideration liability by using a discounted cash flow model of future contingent payments based on projected revenue related to the acquired business. The estimated fair value of the contingent consideration liability is reviewed on a quarterly basis and any valuation adjustments resulting from a change in the discount rate or change of estimated future contingent payments based on projected revenue of the acquired business affecting the contingent consideration liability will be recorded through noninterest expense. Due to the significant unobservable input related to the projected revenue, the contingent consideration liability is classified within Level 3 of the valuation hierarchy. An increase in the projected revenue may result in a higher fair value of the contingent consideration liability. Alternatively, a decrease in the projected revenue may result in a lower estimated fair value of the contingent consideration liability.
	For the Sterner Insurance Associates acquisition, the potential cash payments that could result from the contingent consideration arrangement range from $0 to a maximum of $5.7 million over the three-year period ending June 30, 2017.
	For the Girard Partners acquisition, the potential cash payments that could result from the contingent consideration arrangement range from $0 to a maximum of $14.5 million cumulative over the five-year period ending December 31, 2018.
	For the John T. Fretz Insurance Agency acquisition, the remaining potential future cash payments that could result from the contingent consideration arrangement range from $0 to a maximum of $620 thousand cumulative over the two-year period ending April 30, 2016.
	For the Javers Group acquisition, the Corporation recorded a reduction to the contingent liability during the second quarter of 2013 which resulted in a reduction of other noninterest expense of $959 thousand. The adjustment reflects that revenue levels necessary for an earn-out payment in the first year post-acquisition were not met and that revenue growth levels necessary to qualify for subsequent years’ earn-out payments to be made are remote. Therefore, as of September 30, 2014, the fair value of this contingent consideration liability is $0. The Javers’ original contingent consideration arrangement ranged from $0 to a maximum of $1.7 million cumulative over the three-year period ending June 30, 2015.
	The following table presents the assets and liabilities measured at fair value on a recurring basis at September 30, 2014 and December 31, 2013, classified using the fair value hierarchy:


		At September 30, 2014
	(Dollars in thousands)	Level 1			Level 2			Level 3			Assets/
											Liabilities at
											Fair Value
	Assets:
	Available-for-sale securities:
	U.S. treasuries	$	4,790		$	—		$	—		$	4,790

	U.S. government corporations and agencies	—			122,403			—			122,403

	State and political subdivisions	—			106,407			—			106,407

	Residential mortgage-backed securities	—			13,553			—			13,553

	Collateralized mortgage obligations	—			6,475			—			6,475

	Corporate bonds	—			42,975			—			42,975

	Money market mutual funds	6,442			—			—			6,442

	Equity securities	1,257			—			—			1,257

	Total available-for-sale securities	12,489			291,813			—			304,302

	Interest rate locks with customers	—			660			—			660

	Total assets	$	12,489		$	292,473		$	—		$	304,962

	Liabilities:
	Contingent consideration liability	$	—		$	—		$	6,669		$	6,669

	Forward loan sale commitments	—			90			—			90

	Total liabilities	$	—		$	90		$	6,669		$	6,759



		At December 31, 2013
	(Dollars in thousands)	Level 1			Level 2			Level 3			Assets/
											Liabilities at
											Fair Value
Assets:
Available-for-sale securities:
U.S. treasuries	$	4,708		$	—		$	—		$	4,708

U.S. government corporations and agencies	—			128,148			—			128,148

State and political subdivisions	—			107,657			—			107,657

Residential mortgage-backed securities	—			35,480			—			35,480

Collateralized mortgage obligations	—			7,201			—			7,201

Corporate bonds	—			33,840			—			33,840

Money market mutual funds	16,900			—			—			16,900

Equity securities	2,347			—			—			2,347

Total available-for-sale securities	23,955			312,326			—			336,281

Interest rate locks with customers	—			321			—			321

Forward loan sale commitments	—			25			—			25

Total assets	$	23,955		$	312,672		$	—		$	336,627

Liabilities:
Contingent consideration liability	$	—		$	—		$	501		$	501

Total liabilities	$	—		$	—		$	501		$	501

At September 30, 2014 and December 31, 2013, the Corporation had no assets measured at fair value on a recurring basis utilizing Level 3 inputs.
The following table presents the change in the balance of the contingent consideration liability related to acquisitions for which the Corporation utilized Level 3 inputs to determine fair value on a recurring basis for the nine months ended September 30, 2014 and 2013:


	Nine Months Ended September 30, 2014
(Dollars in thousands)	Balance at			Contingent			Payment of			Adjustment			Balance at September 30, 2014
	December 31,			Consideration			Contingent			of Contingent
	2013			from New			Consideration			Consideration
				Acquisition
Girard Partners	$	—		$	5,470		$	—		$	197		$	5,667

John T. Fretz Insurance Agency	501			—			(310		)	154			345

Sterner Insurance Associates	$	—		$	635		$	—		$	22		657

Total contingent consideration liability	$	501		$	6,105		$	(310	)	$	373		$	6,669



	Nine Months Ended September 30, 2013
(Dollars in thousands)	Balance at			Contingent			Payment of			Adjustment			Balance at September 30, 2013
	December 31,			Consideration			Contingent			of Contingent
	2012			from New			Consideration			Consideration
				Acquisition
Javers Group	$	903		$	—		$	—		$	(903	)	$	—

John T. Fretz Insurance Agency	—			454			—			29			483

Total contingent consideration liability	$	903		$	454		$	—		$	(874	)	$	483

The Corporation may be required periodically to measure certain assets and liabilities at fair value on a non-recurring basis in accordance with GAAP. These adjustments to fair value usually result from the application of lower of cost or market accounting or impairment charges of individual assets. The following table represents assets measured at fair value on a non-recurring basis at September 30, 2014 and December 31, 2013:


	At September 30, 2014
(Dollars in thousands)	Level 1			Level 2			Level 3			Assets/Liabilities at
										Fair Value
Impaired loans held for investment	$	—		$	—		$	57,937		$	57,937

Total	$	—		$	—		$	57,937		$	57,937



	At December 31, 2013
(Dollars in thousands)	Level 1			Level 2			Level 3			Assets/Liabilities at
										Fair Value
Impaired loans held for investment	$	—		$	—		$	55,370		$	55,370

Total	$	—		$	—		$	55,370		$	55,370

The following table presents assets and liabilities and off-balance sheet items not measured at fair value on a recurring or non-recurring basis in the Corporation’s consolidated balance sheets but for which the fair value is required to be disclosed at September 30, 2014 and December 31, 2013. The disclosed fair values are classified using the fair value hierarchy.


	At September 30, 2014
(Dollars in thousands)	Level 1			Level 2			Level 3			Fair			Carrying
										Value			Amount
Assets:
Cash and short-term interest-earning assets	$	68,408		$	—		$	—		$	68,408		$	68,408

Held-to-maturity securities	—			57,101			—			57,101			56,476

Loans held for sale	—			2,199			—			2,199			2,156

Net loans and leases held for investment	—			—			1,526,454			1,526,454			1,518,037

Mortgage servicing rights	—			—			7,337			7,337			5,425

Other real estate owned	—			955			—			955			955

Total assets	$	68,408		$	60,255		$	1,533,791		$	1,662,454		$	1,651,457

Liabilities:
Deposits:
Demand and savings deposits, non-maturity	$	1,598,967		$	—		$	—		$	1,598,967		$	1,598,967

Time deposits	—			263,317			—			263,317			261,176

Total deposits	1,598,967			263,317			—			1,862,284			1,860,143

Short-term borrowings	—			34,728			—			34,728			38,005

Total liabilities	$	1,598,967		$	298,045		$	—		$	1,897,012		$	1,898,148

Off-Balance-Sheet:
Commitments to extend credit	$	—		$	(1,408	)	$	—		$	(1,408	)	$	—



	At December 31, 2013
(Dollars in thousands)	Level 1			Level 2			Level 3			Fair			Carrying
										Value			Amount
Assets:
Cash and short-term interest-earning assets	$	69,169		$	—		$	—		$	69,169		$	69,169

Held-to-maturity securities	—			66,853			—			66,853			66,003

Loans held for sale	—			2,267			—			2,267			2,267

Net loans and leases held for investment	—			—			1,477,945			1,477,945			1,461,620

Mortgage servicing rights	—			7,188			—			7,188			5,519

Other real estate owned	—			1,650			—			1,650			1,650

Total assets	$	69,169		$	77,958		$	1,477,945		$	1,625,072		$	1,606,228

Liabilities:
Deposits:
Demand and savings deposits, non-maturity	$	1,573,709		$	—		$	—		$	1,573,709		$	1,573,709

Time deposits	—			268,909			—			268,909			270,789

Total deposits	1,573,709			268,909			—			1,842,618			1,844,498

Short-term borrowings	—			35,687			—			35,687			37,256

Total liabilities	$	1,573,709		$	304,596		$	—		$	1,878,305		$	1,881,754

Off-Balance-Sheet:
Commitments to extend credit	$	—		$	(1,357	)	$	—		$	(1,357	)	$	—


The following valuation methods and assumptions were used by the Corporation in estimating its fair value for financial instruments measured at fair value on a non-recurring basis and financial instruments not measured at fair value on a recurring or non-recurring basis in the Corporation’s consolidated balance sheets but for which the fair value is required to be disclosed:
Cash and short-term interest-earning assets: The carrying amounts reported in the balance sheet for cash and due from banks, interest-earning deposits with other banks, and other short-term investments approximates those assets’ fair values. Cash and short-term interest-earning assets are classified within Level 1 in the fair value hierarchy.
Held-to-maturity securities: Fair values for the held-to-maturity investment securities are estimated by using pricing models or quoted prices of securities with similar characteristics and are classified in Level 2 in the fair value hierarchy.
Loans held for sale: The fair value of the Corporation’s mortgage loans held for sale are generally determined using a pricing model based on current market information obtained from external sources, including interest rates, bids or indications provided by market participants on specific loans that are actively marketed for sale. These loans are primarily residential mortgage loans and are generally classified in Level 2 due to the observable pricing data. Loans held for sale are carried at the lower of cost or estimated fair value. There were no valuation adjustments for loans held for sale at September 30, 2014 and December 31, 2013.
Loans and leases held for investment: The fair values for loans are estimated using discounted cash flow analyses, using a discount rate based on current interest rates at which similar loans with similar terms would be made to borrowers and include components for credit risk, operating expense and embedded prepayment options. An overall valuation adjustment is made for specific credit risks in addition to general portfolio risk and is significant to the valuation. As permitted, the fair value of the loans and leases are not based on the exit price concept as discussed in the first paragraph of this note. Loans and leases are classified within Level 3 in the fair value hierarchy.
Impaired loans held for investment: Impaired loans held for investment include those collateral-dependent loans for which the practical expedient was applied, resulting in a fair-value adjustment to the loan. Impaired loans are evaluated and valued at the time the loan is identified as impaired, at the lower of cost or fair value. Fair value is measured based on the value of the collateral securing these loans less costs to sell and is classified at a Level 3 in the fair value hierarchy. The fair value of collateral is based on appraisals performed by qualified licensed appraisers hired by the Corporation. At September 30, 2014, impaired loans held for investment had a carrying amount of $59.1 million with a valuation allowance of $1.1 million. At December 31, 2013, impaired loans held for investment had a carrying amount of $58.3 million with a valuation allowance of $3.0 million.
Mortgage servicing rights: The Corporation estimates the fair value of mortgage servicing rights using discounted cash flow models that calculate the present value of estimated future net servicing income. The model uses readily available prepayment speed assumptions for the interest rates of the portfolios serviced. Mortgage servicing rights were classified within Level 2 of the valuation hierarchy at December 31, 2013. The Corporation’s valuation model has not changed from December 31, 2013; however, management’s assessment of the inputs has resulted in mortgage servicing rights being classified within Level 3 of the valuation hierarchy at September 30, 2014. The Corporation reviews the mortgage servicing rights portfolio on a quarterly basis for impairment and the mortgage servicing rights are carried at the lower of amortized cost or estimated fair value. At September 30, 2014, mortgage servicing rights had a carrying amount of $5.4 million with no valuation allowance. At December 31, 2013, mortgage servicing rights had a carrying amount of $5.8 million with a valuation allowance of $250 thousand.
Goodwill and other identifiable assets: Certain non-financial assets subject to measurement at fair value on a non-recurring basis include goodwill and other identifiable intangible assets. During the nine months ended September 30, 2014, there were no triggering events that required valuation of goodwill and other identifiable intangible assets.
Other real estate owned: The fair value of other real estate owned is estimated based upon its appraised value less costs to sell. The real estate is stated at an amount equal to the loan balance prior to foreclosure, plus costs incurred for improvements to the property but no more than the fair value of the property, less estimated costs to sell. New appraisals are generally obtained on an annual basis. Other real estate owned is classified within Level 2 of the valuation hierarchy.
Deposit liabilities: The fair values for demand and savings accounts, with no stated maturities, is the amount payable on demand at the reporting date (carrying value) and are classified within Level 1 in the fair value hierarchy. The fair values for time deposits with fixed maturities are estimated by discounting the final maturity using interest rates currently offered for deposits with similar remaining maturities. Time deposits are classified within Level 2 in the fair value hierarchy.
Short-term borrowings: The fair value of customer repurchase agreements and federal funds purchased are estimated using current market rates for similar borrowings and are classified within Level 2 in the fair value hierarchy.
Off-balance-sheet instruments: Fair values for the Corporation’s off-balance-sheet instruments are based on the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the counterparties’ credit standing and are classified within Level 2 in the fair value hierarchy.

Summary_of_Significant_Account1

Summary of Significant Accounting Policies (Policies)	9 Months Ended
Summary of Significant Accounting Policies (Policies)	Sep. 30, 2014
Accounting Policies [Abstract]	'
Principles of Consolidation and Basis of Presentation	'
	Principles of Consolidation and Basis of Presentation
	The accompanying unaudited consolidated financial statements include the accounts of Univest Corporation of Pennsylvania (the Corporation) and its wholly owned subsidiaries; the Corporation’s primary subsidiary is Univest Bank and Trust Co. (the Bank). All significant intercompany balances and transactions have been eliminated in consolidation. The unaudited interim consolidated financial statements included herein have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the SEC). Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP) have been condensed or omitted pursuant to such rules and regulations for interim financial information. The accompanying unaudited consolidated financial statements reflect all adjustments which are of a normal recurring nature and are, in the opinion of management, necessary for a fair presentation of the financial statements for the interim periods presented. Certain prior period amounts have been reclassified to conform to the current-year presentation. Operating results for the nine-month period ended September 30, 2014 are not necessarily indicative of the results that may be expected for the year ended December 31, 2014. It is suggested that these unaudited consolidated financial statements be read in conjunction with the audited financial statements and the notes thereto included in the registrant’s Annual Report on Form 10-K for the year ended December 31, 2013, which was filed with the SEC on March 4, 2014.
Use of Estimates	'
	Use of Estimates
	The preparation of the unaudited consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant changes include fair value measurement of investment securities available-for-sale and assessment for impairment of certain investment securities, reserve for loan and lease losses, valuation of goodwill and other intangible assets, mortgage servicing rights, deferred tax assets and liabilities, benefit plans and stock-based compensation expense.
Recent Accounting Pronouncements	'
	Recent Accounting Pronouncements
	In May 2014, the Financial Accounting Standards Board (FASB) issued an Accounting Standards Update (ASU) regarding revenue from contracts with customers which clarifies the principles for recognizing revenue and develops a common standard for U.S. GAAP and International Financial Reporting Standards. The ASU establishes a core principle that would require an entity to identify the contract(s) with a customer, identify the performance obligations in the contract, determine the transaction price, allocate the transaction price to the performance obligations in the contract and recognize revenue when (or as) the entity satisfies a performance obligation. The ASU provides for improved disclosure requirements that require entities to disclose sufficient information that enables users of financial statements to understand the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. This guidance is effective for fiscal years and interim periods within those years beginning after December 15, 2016, or January 1, 2017 for the Corporation. The Corporation is in the process of evaluating the impact of the adoption of this guidance on its financial statements; however, it is anticipated the impact will be only related to timing.
	In January 2014, the FASB issued an ASU regarding reclassification of residential real estate collateralized consumer mortgage loans upon foreclosure. The ASU clarifies that when an in-substance repossession or foreclosure occurs, and a creditor is considered to have received physical possession of residential real estate property collateralizing a consumer mortgage loan, upon either (1) the creditor obtaining legal title to the residential real estate property upon completion of a foreclosure or (2) the borrower conveying all interest in the residential real estate property to the creditor to satisfy that loan through completion of a deed in lieu of foreclosure or through a similar legal agreement. Additionally, the amendments require interim and annual disclosure of both (1) the amount of foreclosed residential real estate property held by the creditor and (2) the recorded investment in consumer mortgage loans collateralized by residential real estate property that are in the process of foreclosure according to local requirements of the applicable jurisdiction. The ASU was issued to eliminate diversity in practice on this topic. The amendment is effective for fiscal years and interim periods within those years beginning after December 15, 2014, or January 1, 2015 for the Corporation. The Corporation does not anticipate the adoption of this guidance will have a material impact on its financial statements but will result in expanded disclosures effective March 31, 2015.

Investment_Securities_Tables

Investment Securities (Tables)	9 Months Ended
	Sep. 30, 2014
Investments, Debt and Equity Securities [Abstract]	'
Amortized cost and estimated fair value of held to maturity securities and available for sale securities by contractual maturity	'
	The following table shows the amortized cost and the estimated fair value of the held-to-maturity securities and available-for-sale securities at September 30, 2014 and December 31, 2013, by contractual maturity within each type:


		At September 30, 2014															At December 31, 2013
	(Dollars in thousands)	Amortized			Gross				Gross				Fair Value				Amortized			Gross				Gross				Fair Value
		Cost			Unrealized				Unrealized								Cost			Unrealized				Unrealized
					Gains				Losses											Gains				Losses
	Securities Held-to-Maturity
	Corporate bonds:
	Within 1 year	$	15,150		$	178			$	—			$	15,328			$	11,148		$	122			$	—			$	11,270

	After 1 year to 5 years	41,326			507				(60		)		41,773				54,855			992				(264		)		55,583

		56,476			685				(60		)		57,101				66,003			1,114				(264		)		66,853

	Total	$	56,476		$	685			$	(60	)		$	57,101			$	66,003		$	1,114			$	(264	)		$	66,853

	Securities Available-for-Sale
	U.S. treasuries:
	After 1 year to 5 years	$	4,971		$	—			$	(181	)		$	4,790			$	—		$	—			$	—			$	—

	After 5 years to 10 years	—			—				—				—				4,966			—				(258		)		4,708

		4,971			—				(181		)		4,790				4,966			—				(258		)		4,708

	U.S. government corporations and agencies:
	Within 1 year	—			—				—				—				5,999			16				—				6,015

	After 1 year to 5 years	123,207			48				(852		)		122,403				112,989			114				(1,226		)		111,877

	After 5 years to 10 years	—			—				—				—				10,816			—				(560		)		10,256

		123,207			48				(852		)		122,403				129,804			130				(1,786		)		128,148

	State and political subdivisions:
	Within 1 year	600			2				—				602				1,564			13				—				1,577

	After 1 year to 5 years	10,443			48				(18		)		10,473				5,305			14				(29		)		5,290

	After 5 years to 10 years	49,641			1,658				(124		)		51,175				41,974			710				(698		)		41,986

	Over 10 years	42,246			1,921				(10		)		44,157				57,899			1,227				(322		)		58,804

		102,930			3,629				(152		)		106,407				106,742			1,964				(1,049		)		107,657

	Residential mortgage-backed securities:
	After 1 year to 5 years	5,096			—				(32		)		5,064				—			—				—				—

	After 5 years to 10 years	4,860			—				(85		)		4,775				10,008			5				(53		)		9,960

	Over 10 years	3,681			45				(12		)		3,714				25,721			20				(221		)		25,520

		13,637			45				(129		)		13,553				35,729			25				(274		)		35,480

	Collateralized mortgage obligations:
	After 1 year to 5 years	—			—				—				—				73			—				—				73

	Over 10 years	6,580			18				(123		)		6,475				7,341			40				(253		)		7,128

		6,580			18				(123		)		6,475				7,414			40				(253		)		7,201

	Corporate bonds:
	Within 1 year	4,998			34				—				5,032				—			—				—				—

After 1 year to 5 years	17,590			30				(235		)		17,385				18,838			52				(411		)		18,479

After 5 years to 10 years	20,943			4				(389		)		20,558				16,474			4				(1,117		)		15,361

	43,531			68				(624		)		42,975				35,312			56				(1,528		)		33,840

Money market mutual funds:
No stated maturity	6,442			—				—				6,442				16,900			—				—				16,900

	6,442			—				—				6,442				16,900			—				—				16,900

Equity securities:
No stated maturity	854			403				—				1,257				1,679			668				—				2,347

	854			403				—				1,257				1,679			668				—				2,347

Total	$	302,152		$	4,211			$	(2,061	)		$	304,302			$	338,546		$	2,883			$	(5,148	)		$	336,281

Information Related to Sales of Securities Available-for-Sale	'
	The following table presents information related to sales of securities available-for-sale during the nine months ended September 30, 2014 and 2013:


		Nine Months Ended September 30,
	(Dollars in thousands)	2014			2013
	Securities available-for-sale:
	Proceeds from sales	$	30,286		$	58,148

	Gross realized gains on sales	557			2,957

	Gross realized losses on sales	—			7

	Tax expense related to net realized gains on sales	195			1,032

Amount of Securities in Unrealized Loss Position	'
	The following table shows the fair value of securities that were in an unrealized loss position at September 30, 2014 and December 31, 2013 by the length of time those securities were in a continuous loss position:


		Less than							Twelve Months								Total
		Twelve Months							or Longer
	(Dollars in thousands)	Fair Value			Unrealized				Fair Value				Unrealized				Fair Value			Unrealized
					Losses								Losses							Losses
	At September 30, 2014
	Securities Held-to-Maturity
	Corporate bonds	$	13,189		$	(39	)		$	4,993			$	(21	)		$	18,182		$	(60	)

	Total	$	13,189		$	(39	)		$	4,993			$	(21	)		$	18,182		$	(60	)

	Securities Available-for-Sale
	U.S. treasuries	$	—		$	—			$	4,790			$	(181	)		$	4,790		$	(181	)

	U.S. government corporations and agencies	19,948			(52		)		77,353				(800		)		97,301			(852		)

	State and political subdivisions	1,883			(4		)		11,146				(148		)		13,029			(152		)

	Residential mortgage-backed securities	12,391			(129		)		—				—				12,391			(129		)

	Collateralized mortgage obligations	—			—				3,807				(123		)		3,807			(123		)

	Corporate bonds	17,407			(233		)		15,775				(391		)		33,182			(624		)

	Total	$	51,629		$	(418	)		$	112,871			$	(1,643	)		$	164,500		$	(2,061	)

	At December 31, 2013
	Securities Held-to-Maturity
	Corporate bonds	$	19,942		$	(264	)		$	—			$	—			$	19,942		$	(264	)

	Total	$	19,942		$	(264	)		$	—			$	—			$	19,942		$	(264	)

	Securities Available-for-Sale
	U.S. treasuries	$	4,708		$	(258	)		$	—			$	—			$	4,708		$	(258	)

	U.S. government corporations and agencies	101,813			(1,786		)		—				—				101,813			(1,786		)

	State and political subdivisions	30,233			(1,049		)		—				—				30,233			(1,049		)

	Residential mortgage-backed securities	29,444			(274		)		—				—				29,444			(274		)

	Collateralized mortgage obligations	4,091			(253		)		—				—				4,091			(253		)

	Corporate bonds	26,557			(1,528		)		—				—				26,557			(1,528		)

	Total	$	196,846		$	(5,148	)		$	—			$	—			$	196,846		$	(5,148	)

Loans_and_Leases_Tables

Loans and Leases (Tables)	9 Months Ended
	Sep. 30, 2014
Receivables [Abstract]	'
Summary of Major Loan and Lease Categories	'


	(Dollars in thousands)	At September 30, 2014				At December 31, 2013
	Commercial, financial and agricultural	$	438,556			$	422,816

	Real estate-commercial	637,904				600,353

	Real estate-construction	75,254				90,493

	Real estate-residential secured for business purpose	35,367				37,319

	Real estate-residential secured for personal purpose	163,368				149,164

	Real estate-home equity secured for personal purpose	105,191				95,345

	Loans to individuals	30,144				40,000

	Lease financings	111,952				105,994

	Total loans and leases held for investment, net of deferred income	$	1,597,736			$	1,541,484

	Unearned lease income, included in the above table	$	(13,646	)		$	(14,439	)
	Net deferred costs, included in the above table	3,045				2,744

	Overdraft deposits included in the above table	72				62

Age Analysis of Past Due Loans and Leases	'
	The following presents, by class of loans and leases, an aging of past due loans and leases, loans and leases which are current and the recorded investment in loans and leases 90 days or more past due which are accruing interest at September 30, 2014 and December 31, 2013:


	(Dollars in thousands)	30-59				60-89				90 Days				Total				Current				Total Loans				Recorded
		Days				Days				or more				Past Due								and Leases				Investment 90
		Past Due				Past Due				Past Due												Held for				Days or more
																						Investment				Past Due and
																										Accruing
																										Interest
	At September 30, 2014
	Commercial, financial and agricultural	$	1,380			$	872			$	588			$	2,840			$	435,716			$	438,556			$	—

	Real estate—commercial real estate and construction:
	Commercial real estate	9,630				—				148				9,778				628,126				637,904				—

	Construction	405				—				6,297				6,702				68,552				75,254				—

	Real estate—residential and home equity:
	Residential secured for business purpose	224				18				668				910				34,457				35,367				—

	Residential secured for personal purpose	377				424				101				902				162,466				163,368				41

	Home equity secured for personal purpose	336				127				77				540				104,651				105,191				—

	Loans to individuals	294				219				257				770				29,374				30,144				257

	Lease financings	1,918				2,218				333				4,469				107,483				111,952				46

	Total	$	14,564			$	3,878			$	8,469			$	26,911			$	1,570,825			$	1,597,736			$	344

	At December 31, 2013
	Commercial, financial and agricultural	$	386			$	922			$	2,904			$	4,212			$	418,604			$	422,816			$	12

	Real estate—commercial real estate and construction:
	Commercial real estate	148				262				4,932				5,342				595,011				600,353				—

	Construction	—				—				8,742				8,742				81,751				90,493				—

	Real estate—residential and home equity:
	Residential secured for business purpose	87				276				161				524				36,795				37,319				—

	Residential secured for personal purpose	1,370				—				617				1,987				147,177				149,164				—

	Home equity secured for personal purpose	278				97				100				475				94,870				95,345				23

	Loans to individuals	445				193				319				957				39,043				40,000				319

	Lease financings	2,182				455				389				3,026				102,968				105,994				59

	Total	$	4,896			$	2,205			$	18,164			$	25,265			$	1,516,219			$	1,541,484			$	413

Non-Performing Loans and Leases	'
	The following presents, by class of loans and leases, non-performing loans and leases at September 30, 2014 and December 31, 2013:


		At September 30, 2014																At December 31, 2013
	(Dollars in thousands)	Nonaccrual				Accruing				Loans and				Total Non-				Nonaccrual				Accruing				Loans and				Total Non-
		Loans and				Troubled				Leases				Performing				Loans and				Troubled				Leases				Performing
		Leases*				Debt				90 Days				Loans and				Leases*				Debt				90 Days				Loans and
						Restructured				or more				Leases								Restructured				or more				Leases
						Loans and				Past Due												Loans and				Past Due
						Lease				and												Lease				and
						Modifications				Accruing												Modifications				Accruing
										Interest																Interest
	Commercial, financial and agricultural	$	5,050			$	2,657			$	—			$	7,707			$	4,253			$	1,329			$	12			$	5,594

	Real estate—commercial real estate and construction:
	Commercial real estate	4,482				2,806				—				7,288				8,091				4,271				—				12,362

	Construction	7,570				—				—				7,570				9,159				2,307				—				11,466

	Real estate—residential and home equity:
	Residential secured for business purpose	822				—				—				822				224				—				—				224

	Residential secured for personal purpose	526				—				41				567				1,101				—				—				1,101

	Home equity secured for personal purpose	77				—				—				77				77				—				23				100

	Loans to individuals	—				—				257				257				—				36				319				355

	Lease financings	287				—				46				333				330				—				59				389

	Total	$	18,814			$	5,463			$	344			$	24,621			$	23,235			$	7,943			$	413			$	31,591

	* Includes nonaccrual troubled debt restructured loans and lease modifications of $3.4 million and $1.6 million at September 30, 2014 and December 31, 2013, respectively.
Credit Quality Indicators	'


	(Dollars in thousands)	Real Estate—				Real Estate—				Loans to				Lease				Total
		Residential				Home Equity				Individuals				Financing
		Secured for				Secured for
		Personal Purpose				Personal Purpose
	At September 30, 2014
	Performing	$	162,801			$	105,114			$	29,887			$	111,619			$	409,421

	Nonperforming	567				77				257				333				1,234

	Total	$	163,368			$	105,191			$	30,144			$	111,952			$	410,655

	At December 31, 2013
	Performing	$	148,063			$	95,245			$	39,645			$	105,605			$	388,558

	Nonperforming	1,101				100				355				389				1,945

	Total	$	149,164			$	95,345			$	40,000			$	105,994			$	390,503

	The following tables present by class, the recorded investment in loans and leases held for investment by credit quality indicator at September 30, 2014 and December 31, 2013.
	The Corporation employs a ten (10) grade risk rating system related to the credit quality of commercial loans and residential real estate loans secured for a business purpose of which the first six categories are pass categories (credits not adversely rated). The following is a description of the internal risk ratings and the likelihood of loss related to each risk rating. Loans with risk ratings of one through five are reviewed based on the relationship dollar amount with the borrower: loans with a relationship total of $2.5 million or greater are reviewed quarterly; loans with a relationship balance of less than $2.5 million but greater than $500 thousand are reviewed annually based on the borrower’s fiscal year; loans with a relationship balance of less than $500 thousand are reviewed only if the loan becomes 60 days or more past due. Loans with risk ratings of six are also reviewed based on the relationship dollar amount with the borrower: loans with a relationship balance of $2.0 million or greater are reviewed quarterly; loans with a relationship balance of less than $2.0 million but greater than $500 thousand are reviewed annually; loans with a relationship balance of less than $500 thousand are reviewed only if the loan becomes 60 days or more past due. Loans with risk ratings of seven are reviewed at least quarterly, and as often as monthly, at management’s discretion. Loans with risk ratings of eight through ten are reviewed monthly.


	1	Cash Secured—No credit risk

	2	Fully Secured—Negligible credit risk

	3	Strong—Minimal credit risk

	4	Satisfactory—Nominal credit risk

	5	Acceptable—Moderate credit risk

	6	Pre-Watch—Marginal, but stable credit risk

	7	Special Mention—Potential weakness

	8	Substandard—Well-defined weakness

	9	Doubtful—Collection in-full improbable

	10	Loss—Considered uncollectible
	Commercial Credit Exposure Credit Risk by Internally Assigned Grades


	(Dollars in thousands)	Commercial,				Real Estate—				Real Estate—				Real Estate—				Total
		Financial and				Commercial				Construction				Residential Secured
		Agricultural												for Business Purpose
	At September 30, 2014
	Grade:
	1. Cash secured/ 2. Fully secured	$	4,511			$	—			$	851			$	—			$	5,362

	3. Strong	7,187				8,821				3,927				—				19,935

	4. Satisfactory	26,274				28,667				8,834				343				64,118

	5. Acceptable	291,646				419,615				48,889				24,094				784,244

	6. Pre-watch	56,775				113,842				5,088				5,022				180,727

	7. Special Mention	11,904				10,283				—				1,325				23,512

8. Substandard	40,259				56,676				7,665				4,583				109,183

9. Doubtful	—				—				—				—				—

10.Loss	—				—				—				—				—

Total	$	438,556			$	637,904			$	75,254			$	35,367			$	1,187,081

At December 31, 2013
Grade:
1. Cash secured/ 2. Fully secured	$	4,763			$	2,014			$	1,682			$	—			$	8,459

3. Strong	6,051				8,515				4,300				—				18,866

4. Satisfactory	34,650				17,758				1,500				261				54,169

5. Acceptable	251,203				384,061				54,464				26,694				716,422

6. Pre-watch	84,201				113,181				16,084				5,884				219,350

7. Special Mention	10,095				19,445				—				1,841				31,381

8. Substandard	31,508				55,331				12,463				2,639				101,941

9. Doubtful	345				48				—				—				393

10.Loss	—				—				—				—				—

Total	$	422,816			$	600,353			$	90,493			$	37,319			$	1,150,981

Reserve for Loan and Lease Losses and Recorded Investment in Loans and Leases	'
	The following presents, by portfolio segment, a summary of the activity in the reserve for loan and lease losses, the balance in the reserve for loan and lease losses disaggregated on the basis of impairment method and the recorded investment in loans and leases disaggregated on the basis of impairment method for the three and nine months ended September 30, 2014 and 2013:


	(Dollars in thousands)	Commercial,				Real Estate—				Real Estate—				Real Estate—				Loans to				Lease				Unallocated				Total
		Financial				Commercial				Residential				Residential				Individuals				Financings
		and				and				Secured for				and Home
		Agricultural				Construction				Business				Equity
										Purpose				Secured for
														Personal
														Purpose
	Three Months Ended September 30, 2014
	Reserve for loan and lease losses:
	Beginning balance	$	9,714			$	9,263			$	1,025			$	1,248			$	405			$	1,101			$	1,338			$	24,094

	Charge-offs	(968		)		(1,570		)		(26		)		(18		)		(169		)		(106		)		N/A				(2,857		)

	Recoveries	88				58				9				2				53				82				N/A				292

	Provision (recovery of provision)	(1,219		)		1,337				(48		)		(54		)		43				38				136				233

	Ending balance	$	7,615			$	9,088			$	960			$	1,178			$	332			$	1,115			$	1,474			$	21,762

	Three Months Ended September 30, 2013
	Reserve for loan and lease losses:
	Beginning balance	$	11,395			$	8,662			$	586			$	1,084			$	693			$	1,212			$	1,086			$	24,718

	Charge-offs	(812		)		(2,784		)		(38		)		(133		)		(216		)		(211		)		N/A				(4,194		)

	Recoveries	85				—				1				2				60				69				N/A				217

	(Recovery of provision) provision	(152		)		2,542				682				249				169				198				406				4,094

	Ending balance	$	10,516			$	8,420			$	1,231			$	1,202			$	706			$	1,268			$	1,492			$	24,835

	Nine Months Ended September 30, 2014
	Reserve for loan and lease losses:
	Beginning balance	$	9,789			$	8,780			$	1,062			$	1,284			$	694			$	1,285			$	1,600			$	24,494

	Charge-offs	(2,657		)		(2,878		)		(140		)		(108		)		(659		)		(396		)		N/A				(6,838		)

	Recoveries	197				428				57				29				212				224				N/A				1,147

	Provision (recovery of provision)	286				2,758				(19		)		(27		)		85				2				(126		)		2,959

	Ending balance	$	7,615			$	9,088			$	960			$	1,178			$	332			$	1,115			$	1,474			$	21,762

	Nine Months Ended September 30, 2013
	Reserve for loan and lease losses:
	Beginning balance	$	11,594			$	7,507			$	639			$	980			$	679			$	1,326			$	2,021			$	24,746

	Charge-offs	(1,973		)		(6,857		)		(112		)		(160		)		(620		)		(637		)		N/A				(10,359		)

	Recoveries	172				48				9				5				172				428				N/A				834

	Provision (recovery of provision)	723				7,722				695				377				475				151				(529		)		9,614

	Ending balance	$	10,516			$	8,420			$	1,231			$	1,202			$	706			$	1,268			$	1,492			$	24,835

	N/A – Not applicable


	(Dollars in thousands)	Commercial,				Real Estate—				Real Estate—				Real Estate—				Loans to				Lease				Unallocated				Total
		Financial				Commercial				Residential				Residential				Individuals				Financings
and			and			Secured for				and Home
Agricultural			Construction			Business				Equity
						Purpose				Secured for
										Personal
										Purpose
At September 30, 2014
Reserve for loan and lease losses:
Ending balance: individually evaluated for impairment		$	685				$	27			$	430			$	—			$	—			$	—			N/A				$	1,142

Ending balance: collectively evaluated for impairment		6,930					9,061				530				1,178				332				1,115				1,474				20,620

Total ending balance	$	7,615			$	9,088			$	960			$	1,178			$	332			$	1,115			$	1,474			$	21,762

Loans and leases held for investment:
Ending balance: individually evaluated for impairment	$	18,214			$	37,341			$	2,921			$	603			$	—			$	—							$	59,079

Ending balance: collectively evaluated for impairment	420,342				675,817				32,446				267,956				30,144				111,952								1,538,657

Total ending balance	$	438,556			$	713,158			$	35,367			$	268,559			$	30,144			$	111,952							$	1,597,736

At September 30, 2013
Reserve for loan and lease losses:
Ending balance: individually evaluated for impairment	$	2,210			$	111			$	775			$	—			$	—			$	—			N/A				$	3,096

Ending balance: collectively evaluated for impairment	8,306				8,309				456				1,202				706				1,268				1,492				21,739

Total ending balance	$	10,516			$	8,420			$	1,231			$	1,202			$	706			$	1,268			$	1,492			$	24,835

Loans and leases held for investment:
Ending balance: individually evaluated for impairment	$	14,029			$	50,242			$	1,776			$	720			$	37			$	—							$	66,804

Ending balance: collectively evaluated for impairment	416,789				630,635				33,897				233,181				42,174				102,761								1,459,437

Total ending balance	$	430,818			$	680,877			$	35,673			$	233,901			$	42,211			$	102,761							$	1,526,241

N/A – Not applicable
Impaired Loans	'
	The following presents, by class of loans, the recorded investment and unpaid principal balance of impaired loans, the amounts of the impaired loans for which there is not an allowance for credit losses and the amounts for which there is an allowance for credit losses at September 30, 2014 and December 31, 2013:


		At September 30, 2014												At December 31, 2013
	(Dollars in thousands)	Recorded				Unpaid				Related				Recorded				Unpaid				Related
		Investment				Principal				Allowance				Investment				Principal				Allowance
						Balance												Balance
	Impaired loans with no related allowance recorded:
	Commercial, financial and agricultural	$	14,777			$	15,213							$	10,890			$	11,749

	Real estate—commercial real estate	27,430				28,545								28,883				35,700

	Real estate—construction	7,665				8,902								12,357				14,540

	Real estate—residential secured for business purpose	1,371				1,400								224				235

	Real estate—residential secured for personal purpose	526				547								131				131

	Real estate—home equity secured for personal purpose	77				77								77				77

	Loans to individuals	—				—								36				54

	Total impaired loans with no allowance recorded	$	51,846			$	54,684							$	52,598			$	62,486

	Impaired loans with an allowance recorded:
	Commercial, financial and agricultural	$	3,437			$	3,437			$	685			$	3,215			$	3,272			$	2,398

	Real estate—commercial real estate	2,246				2,246				27				—				—				—

	Real estate—residential secured for business purpose	1,550				1,550				430				1,550				1,550				501

	Real estate—residential secured for personal purpose	—				—				—				970				976				64

	Total impaired loans with an allowance recorded	$	7,233			$	7,233			$	1,142			$	5,735			$	5,798			$	2,963




		At September 30, 2014												At December 31, 2013
	(Dollars in thousands)	Recorded				Unpaid				Related				Recorded				Unpaid				Related
		Investment				Principal				Allowance				Investment				Principal				Allowance
						Balance												Balance
	Total impaired loans:
	Commercial, financial and agricultural	$	18,214			$	18,650			$	685			$	14,105			$	15,021			$	2,398

	Real estate—commercial real estate	29,676				30,791				27				28,883				35,700				—

	Real estate—construction	7,665				8,902				—				12,357				14,540				—

	Real estate—residential secured for business purpose	2,921				2,950				430				1,774				1,785				501

	Real estate—residential secured for personal purpose	526				547				—				1,101				1,107				64

	Real estate—home equity secured for personal purpose	77				77				—				77				77				—

	Loans to individuals	—				—				—				36				54				—

	Total impaired loans	$	59,079			$	61,917			$	1,142			$	58,333			$	68,284			$	2,963

Average Recorded Investment in Impaired Loans and Leases and Analysis of Interest on Impaired Loans	'
	The following presents by class of loans, the average recorded investment in impaired loans and an analysis of interest on impaired loans. A loan may remain on accrual status if it is in the process of collection and is either guaranteed or well secured. Therefore, interest income on accruing impaired loans is recognized using the accrual method.



		Three Months Ended September 30, 2014												Three Months Ended September 30, 2013
	(Dollars in thousands)	Average				Interest				Additional				Average				Interest				Additional
		Recorded				Income				Interest Income				Recorded				Income				Interest Income
		Investment				Recognized*				That Would				Investment				Recognized*				That Would
										Have Been												Have Been
										Recognized												Recognized
										Under Original												Under Original
										Terms												Terms
	Commercial, financial and agricultural	$	16,577			$	150			$	72			$	5,971			$	29			$	70

	Real estate—commercial real estate	26,531				281				82				22,789				171				150

	Real estate—construction	9,982				20				116				14,544				25				184

	Real estate—residential secured for business purpose	2,643				19				13				585				2				2

	Real estate—residential secured for personal purpose	590				—				9				725				—				11

	Real estate—home equity secured for personal purpose	84				—				1				—				—				—

	Loans to individuals	1				—				—				37				1				—

	Total	$	56,408			$	470			$	293			$	44,651			$	228			$	417


	*	There was no interest income recognized on a cash basis for nonaccrual loans for the three months ended September 30, 2014 and 2013; includes interest income recognized on the accrual method for accruing impaired loans of $470 thousand and $228 thousand for the three months ended September 30, 2014 and 2013, respectively.



		Nine Months Ended September 30, 2014												Nine Months Ended September 30, 2013
	(Dollars in thousands)	Average				Interest				Additional				Average				Interest				Additional
		Recorded				Income				Interest Income				Recorded				Income				Interest Income
		Investment				Recognized*				That Would				Investment				Recognized*				That Would
										Have Been												Have Been
										Recognized												Recognized
										Under Original												Under Original
										Terms												Terms
	Commercial, financial and agricultural	$	14,806			$	401			$	188			$	3,985			$	45			$	132

	Real estate—commercial real estate	25,734				816				248				23,138				473				566

	Real estate—construction	11,499				103				363				15,291				81				553

	Real estate—residential secured for business purpose	2,400				52				48				341				2				7

	Real estate—residential secured for personal purpose	779				—				41				758				—				35

	Real estate—home equity secured for personal purpose	82				—				3				2				—				—

	Loans to individuals	5				—				—				41				3				—

	Total	$	55,305			$	1,372			$	891			$	43,556			$	604			$	1,293


	*	Includes interest income recognized on a cash basis for nonaccrual loans of $23 thousand and $6 thousand for the nine months ended September 30, 2014 and 2013, respectively and interest income recognized on the accrual method for accruing impaired loans of $1.3 million and $598 thousand for the nine months ended September 30, 2014 and 2013, respectively.
Troubled Debt Restructured Loans	'
	The following presents, by class of loans, information regarding accruing and nonaccrual loans that were restructured:


		Three Months Ended September 30, 2014															Three Months Ended September 30, 2013
	(Dollars in thousands)	Number			Pre-				Post-				Related				Number			Pre-				Post-				Related
		of			Restructuring				Restructuring				Allowance				of			Restructuring				Restructuring				Allowance
		Loans			Outstanding				Outstanding								Loans			Outstanding				Outstanding
					Recorded				Recorded											Recorded				Recorded
					Investment				Investment											Investment				Investment
	Accruing Troubled Debt Restructured Loans:
	Commercial, financial and agricultural	3			$	1,424			$	1,424			$	132			—			$	—			$	—			$	—

	Real estate—commercial real estate	1			1,000				1,000				—				3			1,569				1,569				—

	Real estate—construction	—			—				—				—				1			459				459				—

	Total	4			$	2,424			$	2,424			$	132			4			$	2,028			$	2,028			$	—

	Nonaccrual Troubled Debt Restructured Loans:
	Total	—			$	—			$	—			$	—			—			$	—			$	—			$	—




		Nine Months Ended September 30, 2014															Nine Months Ended September 30, 2013
	(Dollars in thousands)	Number			Pre-				Post-				Related				Number			Pre-				Post-				Related
		of			Restructuring				Restructuring				Allowance				of			Restructuring				Restructuring				Allowance
		Loans			Outstanding				Outstanding								Loans			Outstanding				Outstanding
					Recorded				Recorded											Recorded				Recorded
					Investment				Investment											Investment				Investment
	Accruing Troubled Debt Restructured Loans:
	Commercial, financial and agricultural	3			$	1,424			$	1,424			$	132			1			$	1,000			$	1,000			$	—

	Real estate—commercial real estate	1			1,000				1,000				—				3			1,569				1,569				—

	Real estate—construction	—			—				—				—				1			459				459				—

	Total	4			$	2,424			$	2,424			$	132			5			$	3,028			$	3,028			$	—

	Nonaccrual Troubled Debt Restructured Loans:
	Real estate—commercial real estate	1			$	50			$	50			$	—			—			$	—			$	—			$	—

	Real estate—residential secured for business purpose	2			688				688				—				—			—				—				—

	Total	3			$	738			$	738			$	—			—			$	—			$	—			$	—

Concessions Granted on Accruing and Nonaccrual Loans Restructured	'
	The following presents, by class of loans, information regarding the types of concessions granted on accruing and nonaccrual loans that were restructured during the three and nine months ended September 30, 2014 and 2013.


		Interest Only Term							Temporary Payment							Interest Rate							Maturity Date							Payments Suspended					Total Concessions
		Extension							Reduction							Reduction							Extension												Granted
	(Dollars in thousands)	No. of			Amount				No. of			Amount				No. of			Amount				No. of			Amount				No. of			Amount		No. of	Amount
		Loans							Loans							Loans							Loans							Loans					Loans
	Three Months Ended September 30, 2014
	Accruing Troubled Debt Restructured Loans:
	Commercial, financial and agricultural	—			$	—			—			$	—			—			$	—			2			$	1,299			1			$	125	3	$	1,424

	Real estate—commercial real estate	—			—				—			—				—			—				1			1,000				—			—		1	1,000

	Total	—			$	—			—			$	—			—			$	—			3			$	2,299			1			$	125	4	$	2,424

	Nonaccrual Troubled Debt Restructured Loans:
	Total	—			$	—			—			$	—			—			$	—			—			$	—			—			$	—	—	$	—

	Three Months Ended September 30, 2013
	Accruing Troubled Debt Restructured Loans:
	Real estate—commercial real estate	—			$	—			1			$	756			—			$	—			2			$	813			—			$	—	3	$	1,569

	Real estate—construction	—			—				—			—				—			—				1			459				—			—		1	459

	Total	—			$	—			1			$	756			—			$	—			3			$	1,272			—			$	—	4	$	2,028

	Nonaccrual Troubled Debt Restructured Loans:
	Total	—			$	—			—			$	—			—			$	—			—			$	—			—			$	—	—	$	—

	Nine Months Ended September 30, 2014
	Accruing Troubled Debt Restructured Loans:
	Commercial, financial and agricultural	—			$	—			—			$	—			—			$	—			2			$	1,299			1			$	125	3	$	1,424

	Real estate—commercial real estate	—			—				—			—				—			—				1			1,000				—			—		1	1,000

	Total	—			$	—			—			$	—			—			$	—			3			$	2,299			1			$	125	4	$	2,424

	Nonaccrual Troubled Debt Restructured Loans:
	Real estate—commercial real estate	—			$	—			—			$	—			1			$	50			—			$	—			—			$	—	1	$	50

	Real estate—residential secured for business purpose	—			—				—			—				1			55				1			633				—			—		2	688

	Total	—			$	—			—			$	—			2			$	105			1			$	633			—			$	—	3	$	738

	Nine Months Ended September 30, 2013
	Accruing Troubled Debt Restructured Loans:
	Commercial, financial and agricultural	1			$	1,000			—			$	—			—			$	—			—			$	—			—			$	—	1	$	1,000

	Real estate—commercial real estate	—			—				1			756				—			—				2			813				—			—		3	1,569

	Real estate—construction	—			—				—			—				—			—				1			459				—			—		1	459

	Total	1			$	1,000			1			$	756			—			$	—			3			$	1,272			—			$	—	5	$	3,028

	Nonaccrual Troubled Debt Restructured Loans:
	Total	—			$	—			—			$	—			—			$	—			—			$	—			—			$	—	—	$	—

Accruing and Nonaccrual Troubled Debt Restructured Loans with Payment Defaults	'
	The following presents, by class of loans, information regarding accruing and nonaccrual troubled debt restructured loans, for which there were payment defaults within twelve months of the restructuring date:


		Three Months Ended September 30,														Nine Months Ended September 30,
		2014							2013							2014							2013
	(Dollars in thousands)	Number			Recorded				Number			Recorded				Number			Recorded				Number			Recorded
		of Loans			Investment				of Loans			Investment				of Loans			Investment				of Loans			Investment
	Accruing Troubled Debt Restructured Loans:
	Commercial, financial and agricultural	—			$	—			1			$	1,000			—			$	—			4			$	1,230

	Total	—			$	—			1			$	1,000			—			$	—			4			$	1,230

	Nonaccrual Troubled Debt Restructured Loans:
	Total	—			$	—			—			$	—			—			$	—			—			$	—

Mortgage_Servicing_Rights_Tabl

Mortgage Servicing Rights (Tables)	9 Months Ended
	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]	'
Changes in Mortgage Servicing Rights	'
	Changes in the mortgage servicing rights balance are summarized as follows:


		Three Months Ended September 30,						Nine Months Ended September 30,
	(Dollars in thousands)	2014			2013			2014			2013
	Beginning of period	$	5,378		$	5,227		$	5,519		$	4,152

	Servicing rights capitalized	365			544			724			2,183

	Amortization of servicing rights	(561		)	(287		)	(1,068		)	(1,099		)
	Changes in valuation allowance	243			—			250			248

	End of period	$	5,425		$	5,484		$	5,425		$	5,484

	Mortgage loans serviced for others	$	779,701		$	736,017		$	779,701		$	736,017

Activity in Valuation Allowance for Mortgage Servicing Rights	'
	Activity in the valuation allowance for mortgage servicing rights was as follows:


		Three Months Ended September 30,						Nine Months Ended September 30,
	(Dollars in thousands)	2014			2013			2014			2013
	Valuation allowance, beginning of period	$	(243	)	$	(249	)	$	(250	)	$	(497	)
	Additions	—			—			—			—

	Reductions	243			—			250			248

	Direct write-downs	—			—			—			—

	Valuation allowance, end of period	$	—		$	(249	)	$	—		$	(249	)

Estimated Amortization Expense of Mortgage Servicing Rights	'
	The estimated amortization expense of mortgage servicing rights for the remainder of 2014 and the succeeding fiscal years is as follows:


	Year	(Dollars in thousands)	Amount
	Remainder of 2014		$	206

	2015		799

	2016		693

	2017		596

	2018		511

	Thereafter		2,620

Retirement_Plans_and_Other_Pos1

Retirement Plans and Other Postretirement Benefits (Tables)	9 Months Ended
	Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract]	'
Components of Net Periodic Benefit Cost (Income)	'
	Components of net periodic benefit cost (income) were as follows:


		Three Months Ended September 30,
		2014			2013			2014			2013
	(Dollars in thousands)	Retirement Plans						Other Post Retirement
								Benefits
	Service cost	$	137		$	155		$	19		$	23

	Interest cost	476			427			32			30

	Expected return on plan assets	(746		)	(630		)	—			—

	Amortization of net actuarial loss	164			314			4			6

	Accretion of prior service cost	(71		)	(58		)	(1		)	(6		)
	Net periodic benefit (income) cost	$	(40	)	$	208		$	54		$	53




		Nine Months Ended September 30,
		2014			2013			2014			2013
	(Dollars in thousands)	Retirement Plans						Other Post Retirement
								Benefits
	Service cost	$	410		$	466		$	56		$	69

	Interest cost	1,426			1,284			99			86

	Expected return on plan assets	(2,236		)	(1,894		)	—			—

	Amortization of net actuarial loss	490			943			9			18

	Accretion of prior service cost	(212		)	(176		)	(4		)	(15		)
	Net periodic benefit (income) cost	$	(122	)	$	623		$	160		$	158

Earnings_per_Share_Tables

Earnings per Share (Tables)	9 Months Ended
	Sep. 30, 2014
Earnings Per Share, Basic and Diluted [Abstract]	'
Basic and Diluted Earnings Per Share	'
	The following table sets forth the computation of basic and diluted earnings per share:


		Three Months Ended				Nine Months Ended
		September 30,				September 30,
	(Dollars and shares in thousands, except per share data)	2014		2013		2014		2013
	Numerator for basic and diluted earnings per share—income available to common shareholders	$	6,235	$	6,039	$	17,041	$	16,267

	Denominator for basic earnings per share—weighted-average shares outstanding	16,226		16,658		16,241		16,714

	Effect of dilutive securities—employee stock options and awards	88		84		90		61

	Denominator for diluted earnings per share—adjusted weighted-average shares outstanding	16,314		16,742		16,331		16,775

	Basic earnings per share	$	0.38	$	0.36	$	1.05	$	0.97

	Diluted earnings per share	$	0.38	$	0.36	$	1.04	$	0.97

	Average anti-dilutive options and awards excluded from computation of diluted earnings per share	503		470		499		567

Accumulated_Other_Comprehensiv1

Accumulated Other Comprehensive (Loss) Income (Tables)	9 Months Ended
	Sep. 30, 2014
Equity [Abstract]	'
Components of Accumulated Other Comprehensive (Loss) Income, Net of Taxes	'
	The following table shows the components of accumulated other comprehensive (loss) income, net of taxes, for the periods presented:


	(Dollars in thousands)	Net Unrealized				Net Change				Net Change				Accumulated
		(Losses) Gains on				Related to				Related to				Other
		Available-for-Sale				Derivative Used				Defined Benefit				Comprehensive
		Investment				for Cash Flow				Pension Plan				(Loss) Income
		Securities				Hedge
	Balance, December 31, 2013	$	(1,472	)		$	—			$	(8,483	)		$	(9,955	)

	Net Change	2,869				—				185				3,054

	Balance, September 30, 2014	$	1,397			$	—			$	(8,298	)		$	(6,901	)

	Balance, December 31, 2012	$	8,344			$	(1,241	)		$	(14,023	)		$	(6,920	)

	Net Change	(8,524		)		1,241				500				(6,783		)

	Balance, September 30, 2013	$	(180	)		$	—			$	(13,523	)		$	(13,703	)

Amounts Reclassified Out of Each Component of Accumulated Comprehensive (Loss) Income	'
	The following table illustrates the amounts reclassified out of each component of accumulated comprehensive (loss) income for the three and nine months ended September 30, 2014 and 2013:


	Details about Accumulated Other		Amount Reclassified from Accumulated															Affected Line Item in the
	Comprehensive (Loss) Income Components		Other Comprehensive (Loss) Income															Statement of Income
			Three Months Ended								Nine Months Ended
			September 30,								September 30,
	(Dollars in thousands)		2014				2013				2014				2013
	Net unrealized holding gains (losses) on available-for-sale investment securities:
			$	—			$	1,426			$	557			$	2,950		Net gain on sales of investment securities

			—				1,426				557				2,950			Total before tax

			—				(499		)		(195		)		(1,032		)	Tax expense

			$	—			$	927			$	362			$	1,918		Net of tax

	Cash flow hedge derivative:
			$	—			$	—			$	—			$	(1,866	)	Net loss on interest rate swap

			—				—				—				(1,866		)	Total before tax

			—				—				—				653			Tax benefit

			$	—			$	—			$	—			$	(1,213	)	Net of tax

	Defined benefit pension plans:
	Amortization of net loss included in net periodic pension costs*		$	(168	)		$	(320	)		$	(499	)		$	(961	)
	Accretion of prior service cost included in net periodic pension costs*		72				64				216				191

			(96		)		(256		)		(283		)		(770		)	Total before tax
			33				90				98				270			Tax benefit

			$	(63	)		$	(166	)		$	(185	)		$	(500	)	Net of tax

Derivative_Instruments_and_Hed1

Derivative Instruments and Hedging Activities (Tables)	9 Months Ended
	Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]	'
Notional Amounts and Fair Values of Derivatives Not Designated as Hedging Instruments	'
	The following table presents the notional amounts and fair values of derivatives not designated as hedging instruments recorded on the consolidated balance sheets at September 30, 2014 and December 31, 2013:


						Derivative Assets				Derivative Liabilities
	(Dollars in thousands)	Notional				Balance Sheet	Fair			Balance Sheet		Fair
		Amount				Classification	Value			Classification		Value
	At September 30, 2014
	Interest rate locks with customers	$	25,926			Other Assets	$	660				$	—

	Forward loan sale commitments	28,195					—			Other Liabilities		90

	Total	$	54,121				$	660				$	90

	At December 31, 2013
	Interest rate locks with customers	$	15,176			Other Assets	$	321				$	—

	Forward loan sale commitments	17,425				Other Assets	25					—

	Total	$	32,601				$	346				$	—

Income for Derivatives Not Designated as Hedging Instruments	'
	For the three and nine months ended September 30, 2014 and 2013, the amounts included in the consolidated statements of income for derivatives not designated as hedging instruments are shown in the table below:


		Statement of Income Classification		Three Months Ended						Nine Months Ended
				September 30,						September 30,
	(Dollars in thousands)			2014			2013			2014				2013
	Interest rate locks with customers	Net loss (gain) on mortgage banking activities		$	(109	)	$	913		$	339			$	(698	)

	Forward loan sale commitments	Net gain (loss) on mortgage banking activities		99			(1,133		)	(114		)		(307		)

	Total			$	(10	)	$	(220	)	$	225			$	(1,005	)

Income for Derivatives Designated as Hedging Instruments	'
	For the three and nine months ended September 30, 2014 and 2013, the amounts included in the consolidated statements of income for derivatives designated as hedging instruments are shown in the table below:


		Statement of Income Classification		Three Months Ended						Nine Months Ended
				September 30,						September 30,
	(Dollars in thousands)			2014			2013			2014				2013
	Interest rate swap—cash flow hedge—loss on termination	Net loss on termination of interest rate swap		$	—		$	—		$	—			$	(1,866	)

	Interest rate swap—cash flow hedge—interest payments	Interest expense		—			—			—				124

	Interest rate swap—cash flow hedge—ineffectiveness	Interest expense		—			—			—				—

	Net loss			$	—		$	—		$	—			$	(1,990	)

Fair_Value_Disclosures_Tables

Fair Value Disclosures (Tables)	9 Months Ended
	Sep. 30, 2014
Fair Value Disclosures [Abstract]	'
Assets and Liabilities Measured at Fair Value on Recurring Basis	'
	The following table presents the assets and liabilities measured at fair value on a recurring basis at September 30, 2014 and December 31, 2013, classified using the fair value hierarchy:


		At September 30, 2014
	(Dollars in thousands)	Level 1			Level 2				Level 3				Assets/
													Liabilities at
													Fair Value
	Assets:
	Available-for-sale securities:
	U.S. treasuries	$	4,790		$	—			$	—			$	4,790

	U.S. government corporations and agencies	—			122,403				—				122,403

	State and political subdivisions	—			106,407				—				106,407

	Residential mortgage-backed securities	—			13,553				—				13,553

	Collateralized mortgage obligations	—			6,475				—				6,475

	Corporate bonds	—			42,975				—				42,975

	Money market mutual funds	6,442			—				—				6,442

	Equity securities	1,257			—				—				1,257

	Total available-for-sale securities	12,489			291,813				—				304,302

	Interest rate locks with customers	—			660				—				660

	Total assets	$	12,489		$	292,473			$	—			$	304,962

	Liabilities:
	Contingent consideration liability	$	—		$	—			$	6,669			$	6,669

	Forward loan sale commitments	—			90				—				90

	Total liabilities	$	—		$	90			$	6,669			$	6,759



		At December 31, 2013
	(Dollars in thousands)	Level 1			Level 2				Level 3				Assets/
													Liabilities at
													Fair Value
	Assets:
	Available-for-sale securities:
	U.S. treasuries	$	4,708		$	—			$	—			$	4,708

	U.S. government corporations and agencies	—			128,148				—				128,148

	State and political subdivisions	—			107,657				—				107,657

	Residential mortgage-backed securities	—			35,480				—				35,480

	Collateralized mortgage obligations	—			7,201				—				7,201

	Corporate bonds	—			33,840				—				33,840

	Money market mutual funds	16,900			—				—				16,900

	Equity securities	2,347			—				—				2,347

	Total available-for-sale securities	23,955			312,326				—				336,281

Interest rate locks with customers	—			321				—				321

Forward loan sale commitments	—			25				—				25

Total assets	$	23,955		$	312,672			$	—			$	336,627

Liabilities:
Contingent consideration liability	$	—		$	—			$	501			$	501

Total liabilities	$	—		$	—			$	501			$	501

Contingent Consideration Liability Change in Amount	'
	The following table presents the change in the balance of the contingent consideration liability related to acquisitions for which the Corporation utilized Level 3 inputs to determine fair value on a recurring basis for the nine months ended September 30, 2014 and 2013:


		Nine Months Ended September 30, 2014
	(Dollars in thousands)	Balance at			Contingent				Payment of				Adjustment				Balance at September 30, 2014
		December 31,			Consideration				Contingent				of Contingent
		2013			from New				Consideration				Consideration
					Acquisition
	Girard Partners	$	—		$	5,470			$	—			$	197			$	5,667

	John T. Fretz Insurance Agency	501			—				(310		)		154				345

	Sterner Insurance Associates	$	—		$	635			$	—			$	22			657

	Total contingent consideration liability	$	501		$	6,105			$	(310	)		$	373			$	6,669



		Nine Months Ended September 30, 2013
	(Dollars in thousands)	Balance at			Contingent				Payment of				Adjustment				Balance at September 30, 2013
		December 31,			Consideration				Contingent				of Contingent
		2012			from New				Consideration				Consideration
					Acquisition
	Javers Group	$	903		$	—			$	—			$	(903	)		$	—

	John T. Fretz Insurance Agency	—			454				—				29				483

	Total contingent consideration liability	$	903		$	454			$	—			$	(874	)		$	483

Assets Measured at Fair Value on Non-Recurring Basis	'
	The following table represents assets measured at fair value on a non-recurring basis at September 30, 2014 and December 31, 2013:


		At September 30, 2014
	(Dollars in thousands)	Level 1			Level 2				Level 3				Assets/Liabilities at
													Fair Value
	Impaired loans held for investment	$	—		$	—			$	57,937			$	57,937

	Total	$	—		$	—			$	57,937			$	57,937



		At December 31, 2013
	(Dollars in thousands)	Level 1			Level 2				Level 3				Assets/Liabilities at
													Fair Value
	Impaired loans held for investment	$	—		$	—			$	55,370			$	55,370

	Total	$	—		$	—			$	55,370			$	55,370

Assets, Liabilities and Off-Balance Sheet Items Not Measured at Fair Value	'
	The following table presents assets and liabilities and off-balance sheet items not measured at fair value on a recurring or non-recurring basis in the Corporation’s consolidated balance sheets but for which the fair value is required to be disclosed at September 30, 2014 and December 31, 2013. The disclosed fair values are classified using the fair value hierarchy.


		At September 30, 2014
	(Dollars in thousands)	Level 1			Level 2				Level 3				Fair				Carrying
													Value				Amount
	Assets:
	Cash and short-term interest-earning assets	$	68,408		$	—			$	—			$	68,408			$	68,408

	Held-to-maturity securities	—			57,101				—				57,101				56,476

	Loans held for sale	—			2,199				—				2,199				2,156

	Net loans and leases held for investment	—			—				1,526,454				1,526,454				1,518,037

	Mortgage servicing rights	—			—				7,337				7,337				5,425

	Other real estate owned	—			955				—				955				955

	Total assets	$	68,408		$	60,255			$	1,533,791			$	1,662,454			$	1,651,457

	Liabilities:
	Deposits:
	Demand and savings deposits, non-maturity	$	1,598,967		$	—			$	—			$	1,598,967			$	1,598,967

	Time deposits	—			263,317				—				263,317				261,176

	Total deposits	1,598,967			263,317				—				1,862,284				1,860,143

	Short-term borrowings	—			34,728				—				34,728				38,005

	Total liabilities	$	1,598,967		$	298,045			$	—			$	1,897,012			$	1,898,148

	Off-Balance-Sheet:
	Commitments to extend credit	$	—		$	(1,408	)		$	—			$	(1,408	)		$	—



		At December 31, 2013
	(Dollars in thousands)	Level 1			Level 2				Level 3				Fair				Carrying
													Value				Amount
	Assets:
	Cash and short-term interest-earning assets	$	69,169		$	—			$	—			$	69,169			$	69,169

	Held-to-maturity securities	—			66,853				—				66,853				66,003

	Loans held for sale	—			2,267				—				2,267				2,267

	Net loans and leases held for investment	—			—				1,477,945				1,477,945				1,461,620

	Mortgage servicing rights	—			7,188				—				7,188				5,519

	Other real estate owned	—			1,650				—				1,650				1,650

	Total assets	$	69,169		$	77,958			$	1,477,945			$	1,625,072			$	1,606,228

	Liabilities:
	Deposits:
	Demand and savings deposits, non-maturity	$	1,573,709		$	—			$	—			$	1,573,709			$	1,573,709

	Time deposits	—			268,909				—				268,909				270,789

	Total deposits	1,573,709			268,909				—				1,842,618				1,844,498

Short-term borrowings	—			35,687				—				35,687				37,256

Total liabilities	$	1,573,709		$	304,596			$	—			$	1,878,305			$	1,881,754

Off-Balance-Sheet:
Commitments to extend credit	$	—		$	(1,357	)		$	—			$	(1,357	)		$	—

Acquisitions_Additional_Inform

Acquisitions - Additional Information (Detail) (USD $)	Sep. 30, 2014	Jan. 27, 2014	Dec. 31, 2013	Jul. 01, 2014	Jul. 01, 2014	Jun. 17, 2014	Jun. 30, 2014	Jun. 17, 2014	Jun. 17, 2014	Jan. 27, 2014	Jan. 27, 2014
				Sterner Insurance Associates Inc [Member]	Sterner Insurance Associates Inc [Member]	Valley Green Bank [Member]	Valley Green Bank [Member]	Valley Green Bank [Member]	Girard Partners [Member]	Girard Partners [Member]	Girard Partners [Member]
							Office
Business Acquisition [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Acquisition completion date	'	'	'	1-Jul-14	'	'	'	'	'	27-Jan-14	'
Cash paid for acquisition	'	'	'	$3,900,000	'	'	'	'	'	$5,400,000	'
Fair value of assumed liabilities with additional contingent consideration	'	'	'	'	940,000	'	'	'	'	'	'
Potential cash payments from contingent consideration, period of measurement (in years)	'	'	'	'3 years	'	'	'	'	'5 years	'5 years	'
Potential cash payments from contingent consideration, end date	'	'	'	30-Jun-17	'	'	'	'	31-Dec-18	31-Dec-18	'
Fair value of contingent consideration liability	'	'	'	'	635,000	'	'	'	'	'	5,500,000
Original potential cash payments from contingent consideration, minimum	'	'	'	'	0	'	'	'	'	'	0
Original potential cash payments from contingent consideration, maximum	'	'	'	'	5,700,000	'	'	'	'	'	14,500,000
Goodwill related to acquisition, tax deductible	'	'	'	'	3,400,000	'	'	'	'	'	6,800,000
Customer related intangibles	'	'	'	'	1,600,000	'	'	'	'	'	4,300,000
Amortization period	'	'	'	'9 years	'	'	'	'	'	'	'
Business merger, Date of merger agreement	'	'	'	'	'	17-Jun-14	'	'	'	'	'
Merger agreement aggregate value	'	'	'	'	'	'	'	76,000,000	'	'	'
Assets	2,222,196,000	'	2,191,559,000	'	'	'	390,000,000	'	'	'	'
Loan	'	'	'	'	'	'	349,000,000	'	'	'	'
Deposits	1,860,143,000	'	1,844,498,000	'	'	'	353,000,000	'	'	'	'
Number of banking office operates in greater Philadelphia marketplace	'	'	'	'	'	'	3	'	'	'	'
Number of loan production offices in Philadelphia marketplace	'	'	'	'	'	'	2	'	'	'	'
Common stock per share received under Merger Agreement	'	'	'	'	'	'	'	$27	'	'	'
Number of consecutive trading days taken for final exchange ratio	'	'	'	'	'	'20 days	'	'	'	'	'
Assets under management, Carrying amount	'	$3,000,000,000	'	'	'	'	'	'	'	'	$500,000,000
Effective date of acquisition	'	'	'	'	'	'	'	'	'	1-Jan-14	'
Customer related intangibles amortized period	'	'	'	'	'	'	'	'	'	'9 years	'

Investment_Securities_Securiti

Investment Securities Securities Held-to-Maturity and Available-for-Sale, Scheduled Maturities (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Held-to-maturity Securities [Abstract]	'	'
Securities Held-to-Maturity, Amortized Cost	$56,476	$66,003
Securities Held-to-Maturity, Gross Unrealized Gains	685	1,114
Securities Held-to-Maturity, Gross Unrealized Losses	-60	-264
Securities Held-to-Maturity, Fair Value	57,101	66,853
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Amortized Cost	302,152	338,546
Securities Available-for-Sale, Gross Unrealized Gains	4,211	2,883
Securities Available-for-Sale, Gross Unrealized Losses	-2,061	-5,148
Securities Available-for-Sale, Fair Value	304,302	336,281
U.S. Treasuries [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Amortized Cost, After 1 year to 5 years	4,971	0
Securities Available-for-Sale, Gross Unrealized Gains, After 1 year to 5 years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 1 year to 5 years	-181	0
Securities Available-for-Sale, Fair Value, After 1 year to 5 years	4,790	0
Securities Available-for-Sale, Amortized Cost, After 5 years to 10 years	0	4,966
Securities Available-for-Sale, Gross Unrealized Gains, After 5 years to 10 years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 5 years to 10 years	0	-258
Securities Available-for-Sale, Fair Value, After 5 years to 10 years	0	4,708
Securities Available-for-Sale, Amortized Cost	4,971	4,966
Securities Available-for-Sale, Gross Unrealized Gains	0	0
Securities Available-for-Sale, Gross Unrealized Losses	-181	-258
Securities Available-for-Sale, Fair Value	4,790	4,708
U.S. Government Corporations and Agencies [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Amortized Cost, Within 1 year	0	5,999
Securities Available-for-Sale, Gross Unrealized Gains, Within 1 year	0	16
Securities Available-for-Sale, Gross Unrealized Losses, Within 1 year	0	0
Securities Available-for-Sale, Fair Value, Within 1 year	0	6,015
Securities Available-for-Sale, Amortized Cost, After 1 year to 5 years	123,207	112,989
Securities Available-for-Sale, Gross Unrealized Gains, After 1 year to 5 years	48	114
Securities Available-for-Sale, Gross Unrealized Losses, After 1 year to 5 years	-852	-1,226
Securities Available-for-Sale, Fair Value, After 1 year to 5 years	122,403	111,877
Securities Available-for-Sale, Amortized Cost, After 5 years to 10 years	0	10,816
Securities Available-for-Sale, Gross Unrealized Gains, After 5 years to 10 years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 5 years to 10 years	0	-560
Securities Available-for-Sale, Fair Value, After 5 years to 10 years	0	10,256
Securities Available-for-Sale, Amortized Cost	123,207	129,804
Securities Available-for-Sale, Gross Unrealized Gains	48	130
Securities Available-for-Sale, Gross Unrealized Losses	-852	-1,786
Securities Available-for-Sale, Fair Value	122,403	128,148
State and Political Subdivisions [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Amortized Cost, Within 1 year	600	1,564
Securities Available-for-Sale, Gross Unrealized Gains, Within 1 year	2	13
Securities Available-for-Sale, Gross Unrealized Losses, Within 1 year	0	0
Securities Available-for-Sale, Fair Value, Within 1 year	602	1,577
Securities Available-for-Sale, Amortized Cost, After 1 year to 5 years	10,443	5,305
Securities Available-for-Sale, Gross Unrealized Gains, After 1 year to 5 years	48	14
Securities Available-for-Sale, Gross Unrealized Losses, After 1 year to 5 years	-18	-29
Securities Available-for-Sale, Fair Value, After 1 year to 5 years	10,473	5,290
Securities Available-for-Sale, Amortized Cost, After 5 years to 10 years	49,641	41,974
Securities Available-for-Sale, Gross Unrealized Gains, After 5 years to 10 years	1,658	710
Securities Available-for-Sale, Gross Unrealized Losses, After 5 years to 10 years	-124	-698
Securities Available-for-Sale, Fair Value, After 5 years to 10 years	51,175	41,986
Securities Available-for-Sale, Amortized Cost	102,930	106,742
Securities Available-for-Sale, Gross Unrealized Gains	3,629	1,964
Securities Available-for-Sale, Gross Unrealized Losses	-152	-1,049
Securities Available-for-Sale, Fair Value	106,407	107,657
Securities Available-for-Sale, Amortized Cost, Over 10 years	42,246	57,899
Securities Available-for-Sale, Gross Unrealized Gains, Over 10 years	1,921	1,227
Securities Available-for-Sale, Gross Unrealized Losses, Over 10 years	-10	-322
Securities Available-for-Sale, Fair Value, Over 10 years	44,157	58,804
Residential Mortgage Backed Securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Amortized Cost, After 1 year to 5 years	5,096	0
Securities Available-for-Sale, Gross Unrealized Gains, After 1 year to 5 years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 1 year to 5 years	-32	0
Securities Available-for-Sale, Fair Value, After 1 year to 5 years	5,064	0
Securities Available-for-Sale, Amortized Cost, After 5 years to 10 years	4,860	10,008
Securities Available-for-Sale, Gross Unrealized Gains, After 5 years to 10 years	0	5
Securities Available-for-Sale, Gross Unrealized Losses, After 5 years to 10 years	-85	-53
Securities Available-for-Sale, Fair Value, After 5 years to 10 years	4,775	9,960
Securities Available-for-Sale, Amortized Cost	13,637	35,729
Securities Available-for-Sale, Gross Unrealized Gains	45	25
Securities Available-for-Sale, Gross Unrealized Losses	-129	-274
Securities Available-for-Sale, Fair Value	13,553	35,480
Securities Available-for-Sale, Amortized Cost, Over 10 years	3,681	25,721
Securities Available-for-Sale, Gross Unrealized Gains, Over 10 years	45	20
Securities Available-for-Sale, Gross Unrealized Losses, Over 10 years	-12	-221
Securities Available-for-Sale, Fair Value, Over 10 years	3,714	25,520
Collateralized Mortgage Obligations [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Amortized Cost, After 1 year to 5 years	0	73
Securities Available-for-Sale, Gross Unrealized Gains, After 1 year to 5 years	0	0
Securities Available-for-Sale, Gross Unrealized Losses, After 1 year to 5 years	0	0
Securities Available-for-Sale, Fair Value, After 1 year to 5 years	0	73
Securities Available-for-Sale, Amortized Cost	6,580	7,414
Securities Available-for-Sale, Gross Unrealized Gains	18	40
Securities Available-for-Sale, Gross Unrealized Losses	-123	-253
Securities Available-for-Sale, Fair Value	6,475	7,201
Securities Available-for-Sale, Amortized Cost, Over 10 years	6,580	7,341
Securities Available-for-Sale, Gross Unrealized Gains, Over 10 years	18	40
Securities Available-for-Sale, Gross Unrealized Losses, Over 10 years	-123	-253
Securities Available-for-Sale, Fair Value, Over 10 years	6,475	7,128
Corporate Bonds [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Amortized Cost, Within 1 year	4,998	0
Securities Available-for-Sale, Gross Unrealized Gains, Within 1 year	34	0
Securities Available-for-Sale, Gross Unrealized Losses, Within 1 year	0	0
Securities Available-for-Sale, Fair Value, Within 1 year	5,032	0
Securities Available-for-Sale, Amortized Cost, After 1 year to 5 years	17,590	18,838
Securities Available-for-Sale, Gross Unrealized Gains, After 1 year to 5 years	30	52
Securities Available-for-Sale, Gross Unrealized Losses, After 1 year to 5 years	-235	-411
Securities Available-for-Sale, Fair Value, After 1 year to 5 years	17,385	18,479
Securities Available-for-Sale, Amortized Cost, After 5 years to 10 years	20,943	16,474
Securities Available-for-Sale, Gross Unrealized Gains, After 5 years to 10 years	4	4
Securities Available-for-Sale, Gross Unrealized Losses, After 5 years to 10 years	-389	-1,117
Securities Available-for-Sale, Fair Value, After 5 years to 10 years	20,558	15,361
Securities Available-for-Sale, Amortized Cost	43,531	35,312
Securities Available-for-Sale, Gross Unrealized Gains	68	56
Securities Available-for-Sale, Gross Unrealized Losses	-624	-1,528
Securities Available-for-Sale, Fair Value	42,975	33,840
Money Market Mutual Funds [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Gross Unrealized Gains	0	0
Equity Securities Available-for-Sale, Amortized Cost, No stated maturity	6,442	16,900
Equity Securities Available-for-Sale, Gross Unrealized Gains, No stated maturity	0	0
Equity Securities Available-for-Sale, Gross Unrealized Loss, No stated maturity	0	0
Equity Securities Available-for-Sale, Fair Value, No stated maturity	6,442	16,900
Equity Securities Available-for-Sale, Amortized Cost	6,442	16,900
Equity Securities Available-for-Sale, Gross Unrealized Loss	0	0
Equity Securities Available-for-Sale, Fair Value	6,442	16,900
Equity Securities [Member]	'	'
Available-for-sale Securities [Abstract]	'	'
Securities Available-for-Sale, Gross Unrealized Gains	403	668
Equity Securities Available-for-Sale, Amortized Cost, No stated maturity	854	1,679
Equity Securities Available-for-Sale, Gross Unrealized Gains, No stated maturity	403	668
Equity Securities Available-for-Sale, Gross Unrealized Loss, No stated maturity	0	0
Equity Securities Available-for-Sale, Fair Value, No stated maturity	1,257	2,347
Equity Securities Available-for-Sale, Amortized Cost	854	1,679
Equity Securities Available-for-Sale, Gross Unrealized Loss	0	0
Equity Securities Available-for-Sale, Fair Value	1,257	2,347
Corporate Bonds [Member]	'	'
Held-to-maturity Securities [Abstract]	'	'
Securities Held-to-Maturity, Amortized Cost, Within 1 year	15,150	11,148
Securities Held-to-Maturity, Gross Unrealized Gains, Within 1 year	178	122
Securities Held-to-Maturity, Gross Unrealized Losses, Within 1 year	0	0
Securities Held-to-Maturity, Fair Value, Within 1 year	15,328	11,270
Securities Held-to-Maturity, Amortized Cost, After 1 year to 5 years	41,326	54,855
Securities Held-to-Maturity, Gross Unrealized Gains, After 1 year to 5 years	507	992
Securities Held-to-Maturity, Gross Unrealized Losses, After 1 year to 5 years	-60	-264
Securities Held-to-Maturity, Fair Value, After 1 year to 5 years	41,773	55,583
Securities Held-to-Maturity, Amortized Cost	56,476	66,003
Securities Held-to-Maturity, Gross Unrealized Gains	685	1,114
Securities Held-to-Maturity, Gross Unrealized Losses	-60	-264
Securities Held-to-Maturity, Fair Value	$57,101	$66,853

Investment_Securities_Addition

Investment Securities - Additional Information (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Millions, unless otherwise specified	Investment	Investment
Investments, Debt and Equity Securities [Abstract]	'	'
Carrying value of securities pledged to secure public deposits and for other purposes as required by law	$231.50	$271.10
Number of investments in non-federal issuer representing more than 10% of shareholders' equity	0	0
Maximum investment in any single non-federal issuer representing shareholders' equity	10.00%	10.00%

Investment_Securities_Informat

Investment Securities - Information Related to Sales of Securities Available-for-Sale (Detail) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Securities available-for-sale:	'	'
Proceeds from sales	$30,286	$58,148
Gross realized gains on sales	557	2,957
Gross realized losses on sales	0	7
Tax expense related to net realized gains on sales	$195	$1,032

Investment_Securities_Amount_o

Investment Securities - Amount of Securities in Unrealized Loss Position (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$13,189	$19,942
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	-39	-264
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,993	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-21	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	18,182	19,942
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	-60	-264
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Less than Twelve Months, Fair Value	51,629	196,846
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	-418	-5,148
Twelve Months or Longer, Fair Value	112,871	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-1,643	0
Total, Fair Value	164,500	196,846
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	-2,061	-5,148
U.S. Treasuries [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Less than Twelve Months, Fair Value	0	4,708
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	-258
Twelve Months or Longer, Fair Value	4,790	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-181	0
Total, Fair Value	4,790	4,708
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	-181	-258
U.S. Government Corporations and Agencies [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Less than Twelve Months, Fair Value	19,948	101,813
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	-52	-1,786
Twelve Months or Longer, Fair Value	77,353	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-800	0
Total, Fair Value	97,301	101,813
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	-852	-1,786
State and Political Subdivisions [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Less than Twelve Months, Fair Value	1,883	30,233
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	-4	-1,049
Twelve Months or Longer, Fair Value	11,146	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-148	0
Total, Fair Value	13,029	30,233
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	-152	-1,049
Residential Mortgage-Backed Securities [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Less than Twelve Months, Fair Value	12,391	29,444
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	-129	-274
Twelve Months or Longer, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Total, Fair Value	12,391	29,444
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	-129	-274
Collateralized Mortgage Obligations [Member]	'	'
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Less than Twelve Months, Fair Value	0	4,091
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	0	-253
Twelve Months or Longer, Fair Value	3,807	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-123	0
Total, Fair Value	3,807	4,091
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	-123	-253
Corporate Bonds [Member]	'	'
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	13,189	19,942
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	-39	-264
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,993	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-21	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	18,182	19,942
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	-60	-264
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]	'	'
Less than Twelve Months, Fair Value	17,407	26,557
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	-233	-1,528
Twelve Months or Longer, Fair Value	15,775	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	-391	0
Total, Fair Value	33,182	26,557
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	($624)	($1,528)

Loans_and_Leases_Summary_of_Ma

Loans and Leases - Summary of Major Loan and Lease Categories (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	$1,597,736	$1,541,484	$1,526,241
Unearned lease income, included in the above table	-13,646	-14,439	'
Net deferred costs, included in the above table	3,045	2,744	'
Overdraft deposits included in the above table	72	62	'
Commercial, Financial and Agricultural [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	438,556	422,816	'
Real Estate-Commercial [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	637,904	600,353	'
Real Estate-Construction [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	75,254	90,493	'
Real Estate-Residential Secured for Business Purpose [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	35,367	37,319	35,673
Real Estate-Residential Secured for Personal Purpose [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	163,368	149,164	'
Real Estate-Home Equity Secured for Personal Purpose [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	105,191	95,345	'
Loans to Individuals [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	30,144	40,000	42,211
Lease Financings [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Total loans and leases held for investment, net of deferred income	$111,952	$105,994	$102,761

Loans_and_Leases_Age_Analysis_

Loans and Leases - Age Analysis of Past Due Loans and Leases (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	$14,564	$4,896	'
60-89 Days Past Due	3,878	2,205	'
90 Days or more Past Due	8,469	18,164	'
Total Past Due	26,911	25,265	'
Current	1,570,825	1,516,219	'
Total Loans and Leases Held for Investment	1,597,736	1,541,484	1,526,241
Recorded Investment 90 Days or more Past Due and Accruing Interest	344	413	'
Commercial, Financial and Agricultural [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	1,380	386	'
60-89 Days Past Due	872	922	'
90 Days or more Past Due	588	2,904	'
Total Past Due	2,840	4,212	'
Current	435,716	418,604	'
Total Loans and Leases Held for Investment	438,556	422,816	430,818
Recorded Investment 90 Days or more Past Due and Accruing Interest	0	12	'
Real Estate-Commercial [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	9,630	148	'
60-89 Days Past Due	0	262	'
90 Days or more Past Due	148	4,932	'
Total Past Due	9,778	5,342	'
Current	628,126	595,011	'
Total Loans and Leases Held for Investment	637,904	600,353	'
Recorded Investment 90 Days or more Past Due and Accruing Interest	0	0	'
Real Estate-Construction [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	405	0	'
60-89 Days Past Due	0	0	'
90 Days or more Past Due	6,297	8,742	'
Total Past Due	6,702	8,742	'
Current	68,552	81,751	'
Total Loans and Leases Held for Investment	75,254	90,493	'
Recorded Investment 90 Days or more Past Due and Accruing Interest	0	0	'
Real Estate-Residential Secured for Business Purpose [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	224	87	'
60-89 Days Past Due	18	276	'
90 Days or more Past Due	668	161	'
Total Past Due	910	524	'
Current	34,457	36,795	'
Total Loans and Leases Held for Investment	35,367	37,319	35,673
Recorded Investment 90 Days or more Past Due and Accruing Interest	0	0	'
Real Estate-Residential Secured for Personal Purpose [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	377	1,370	'
60-89 Days Past Due	424	0	'
90 Days or more Past Due	101	617	'
Total Past Due	902	1,987	'
Current	162,466	147,177	'
Total Loans and Leases Held for Investment	163,368	149,164	'
Recorded Investment 90 Days or more Past Due and Accruing Interest	41	0	'
Real Estate-Home Equity Secured for Personal Purpose [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	336	278	'
60-89 Days Past Due	127	97	'
90 Days or more Past Due	77	100	'
Total Past Due	540	475	'
Current	104,651	94,870	'
Total Loans and Leases Held for Investment	105,191	95,345	'
Recorded Investment 90 Days or more Past Due and Accruing Interest	0	23	'
Loans to Individuals [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	294	445	'
60-89 Days Past Due	219	193	'
90 Days or more Past Due	257	319	'
Total Past Due	770	957	'
Current	29,374	39,043	'
Total Loans and Leases Held for Investment	30,144	40,000	42,211
Recorded Investment 90 Days or more Past Due and Accruing Interest	257	319	'
Lease Financings [Member]	'	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'	'
30-59 Days Past Due	1,918	2,182	'
60-89 Days Past Due	2,218	455	'
90 Days or more Past Due	333	389	'
Total Past Due	4,469	3,026	'
Current	107,483	102,968	'
Total Loans and Leases Held for Investment	111,952	105,994	102,761
Recorded Investment 90 Days or more Past Due and Accruing Interest	$46	$59	'

Loans_and_Leases_NonPerforming

Loans and Leases - Non-Performing Loans and Leases (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	$18,814	$23,235
Accruing Troubled Debt Restructured Loans And Lease Modifications	5,463	7,943
Loans and Leases 90 Days or more Past Due and Accruing Interest	344	413
Total Non-Performing Loans and Leases	24,621	31,591
Nonaccrual Troubled Debt Restructured Loans And Lease Modifications	3,392	1,583
Commercial, Financial and Agricultural [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	5,050	4,253
Accruing Troubled Debt Restructured Loans And Lease Modifications	2,657	1,329
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	12
Total Non-Performing Loans and Leases	7,707	5,594
Real Estate-Commercial [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	4,482	8,091
Accruing Troubled Debt Restructured Loans And Lease Modifications	2,806	4,271
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Non-Performing Loans and Leases	7,288	12,362
Real Estate-Construction [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	7,570	9,159
Accruing Troubled Debt Restructured Loans And Lease Modifications	0	2,307
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Non-Performing Loans and Leases	7,570	11,466
Real Estate-Residential Secured for Business Purpose [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	822	224
Accruing Troubled Debt Restructured Loans And Lease Modifications	0	0
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	0
Total Non-Performing Loans and Leases	822	224
Real Estate-Residential Secured for Personal Purpose [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	526	1,101
Accruing Troubled Debt Restructured Loans And Lease Modifications	0	0
Loans and Leases 90 Days or more Past Due and Accruing Interest	41	0
Total Non-Performing Loans and Leases	567	1,101
Real Estate-Home Equity Secured for Personal Purpose [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	77	77
Accruing Troubled Debt Restructured Loans And Lease Modifications	0	0
Loans and Leases 90 Days or more Past Due and Accruing Interest	0	23
Total Non-Performing Loans and Leases	77	100
Loans to Individuals [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	0	0
Accruing Troubled Debt Restructured Loans And Lease Modifications	0	36
Loans and Leases 90 Days or more Past Due and Accruing Interest	257	319
Total Non-Performing Loans and Leases	257	355
Lease Financings [Member]	'	'
Non-Performing Loans and Leases [Line Items]	'	'
Nonaccrual Loans and Leases	287	330
Accruing Troubled Debt Restructured Loans And Lease Modifications	0	0
Loans and Leases 90 Days or more Past Due and Accruing Interest	46	59
Total Non-Performing Loans and Leases	$333	$389

Loans_and_Leases_Additional_In

Loans and Leases - Additional Information (Detail) (USD $)	9 Months Ended
Loans and Leases - Additional Information (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]	'	'
Measure taken to reduce the risk of difference in actual value and residual value of the leased assets at maturity	'The Corporation greatly reduces this risk primarily by using $1.00 buyout leases, in which the entire cost of the leased equipment is included in the contractual payments, leaving no residual payment at the end of the lease terms.	'
Other accruing impaired loans	$35,100,000	$27,500,000
Specific reserves for other accruing impaired loans	1,000,000	1,600,000
Maximum modification period on short-term basis	'up to one year	'
Restructured loan past due period	'less than ninety days past due	'
Minimum [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Amount of loan relationship with risk ratings of grade 1-5 reviewed quarterly	2,500,000	'
Amount of loan relationship with risk ratings of grade 1-5 reviewed annually	500,000	'
Amount of loan relationship due for review after 60 or more past due days	500,000	'
Aging period due of reviewing loans rated 1 through 6	'60 days	'
Amount of loan relationship with risk ratings of grade six reviewed quarterly	2,000,000	'
Amount of loan relationship with risk ratings of grade six reviewed annually	500,000	'
Loan-to-value ratio for residential mortgage loans with private mortgage insurance	80.00%	'
Maximum [Member]	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'
Amount of loan relationship with risk ratings of grade 1-5 reviewed annually	2,500,000	'
Amount of loan relationship due for review after 60 or more past due days	500,000	'
Amount of loan relationship with risk ratings of grade six reviewed annually	$2,000,000	'
Loan-to-value ratio for residential mortgage loans without private mortgage insurance	80.00%	'
Combined loan-to-value ratio for home equity loans without private mortgage insurance	80.00%	'
Combined loan-to-value ratio for home equity loans without private mortgage insurance for corporations strongest profile borrower	85.00%	'

Loans_and_Leases_Credit_Qualit

Loans and Leases - Credit Quality Indicators (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	$1,597,736	$1,541,484	$1,526,241
Grade: 1. Cash secured/ 2. Fully secured [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	5,362	8,459	'
Grade: 3. Strong [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	19,935	18,866	'
Grade: 4. Satisfactory [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	64,118	54,169	'
Grade: 5. Acceptable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	784,244	716,422	'
Grade: 6. Pre-watch [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	180,727	219,350	'
Grade: 7. Special Mention [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	23,512	31,381	'
Grade: 8. Substandard [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	109,183	101,941	'
Grade: 9. Doubtful [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	393	'
Grade: 10. Loss [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Internally Assigned Grades [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	1,187,081	1,150,981	'
Performing Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	409,421	388,558	'
Nonperforming Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	1,234	1,945	'
Performing and Nonperforming [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	410,655	390,503	'
Commercial, Financial and Agricultural [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	438,556	422,816	430,818
Commercial, Financial and Agricultural [Member] \| Grade: 1. Cash secured/ 2. Fully secured [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	4,511	4,763	'
Commercial, Financial and Agricultural [Member] \| Grade: 3. Strong [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	7,187	6,051	'
Commercial, Financial and Agricultural [Member] \| Grade: 4. Satisfactory [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	26,274	34,650	'
Commercial, Financial and Agricultural [Member] \| Grade: 5. Acceptable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	291,646	251,203	'
Commercial, Financial and Agricultural [Member] \| Grade: 6. Pre-watch [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	56,775	84,201	'
Commercial, Financial and Agricultural [Member] \| Grade: 7. Special Mention [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	11,904	10,095	'
Commercial, Financial and Agricultural [Member] \| Grade: 8. Substandard [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	40,259	31,508	'
Commercial, Financial and Agricultural [Member] \| Grade: 9. Doubtful [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	345	'
Commercial, Financial and Agricultural [Member] \| Grade: 10. Loss [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Commercial, Financial and Agricultural [Member] \| Internally Assigned Grades [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	438,556	422,816	'
Real Estate-Commercial [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	637,904	600,353	'
Real Estate-Commercial [Member] \| Grade: 1. Cash secured/ 2. Fully secured [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	2,014	'
Real Estate-Commercial [Member] \| Grade: 3. Strong [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	8,821	8,515	'
Real Estate-Commercial [Member] \| Grade: 4. Satisfactory [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	28,667	17,758	'
Real Estate-Commercial [Member] \| Grade: 5. Acceptable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	419,615	384,061	'
Real Estate-Commercial [Member] \| Grade: 6. Pre-watch [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	113,842	113,181	'
Real Estate-Commercial [Member] \| Grade: 7. Special Mention [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	10,283	19,445	'
Real Estate-Commercial [Member] \| Grade: 8. Substandard [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	56,676	55,331	'
Real Estate-Commercial [Member] \| Grade: 9. Doubtful [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	48	'
Real Estate-Commercial [Member] \| Grade: 10. Loss [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Commercial [Member] \| Internally Assigned Grades [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	637,904	600,353	'
Real Estate-Construction [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	75,254	90,493	'
Real Estate-Construction [Member] \| Grade: 1. Cash secured/ 2. Fully secured [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	851	1,682	'
Real Estate-Construction [Member] \| Grade: 3. Strong [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	3,927	4,300	'
Real Estate-Construction [Member] \| Grade: 4. Satisfactory [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	8,834	1,500	'
Real Estate-Construction [Member] \| Grade: 5. Acceptable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	48,889	54,464	'
Real Estate-Construction [Member] \| Grade: 6. Pre-watch [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	5,088	16,084	'
Real Estate-Construction [Member] \| Grade: 7. Special Mention [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Construction [Member] \| Grade: 8. Substandard [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	7,665	12,463	'
Real Estate-Construction [Member] \| Grade: 9. Doubtful [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Construction [Member] \| Grade: 10. Loss [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Construction [Member] \| Internally Assigned Grades [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	75,254	90,493	'
Real Estate-Residential Secured for Business Purpose [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	35,367	37,319	35,673
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 1. Cash secured/ 2. Fully secured [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 3. Strong [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 4. Satisfactory [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	343	261	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 5. Acceptable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	24,094	26,694	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 6. Pre-watch [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	5,022	5,884	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 7. Special Mention [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	1,325	1,841	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 8. Substandard [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	4,583	2,639	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 9. Doubtful [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Residential Secured for Business Purpose [Member] \| Grade: 10. Loss [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	0	0	'
Real Estate-Residential Secured for Business Purpose [Member] \| Internally Assigned Grades [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	35,367	37,319	'
Real Estate-Residential Secured for Personal Purpose [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	163,368	149,164	'
Real Estate-Residential Secured for Personal Purpose [Member] \| Performing Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	162,801	148,063	'
Real Estate-Residential Secured for Personal Purpose [Member] \| Nonperforming Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	567	1,101	'
Real Estate-Residential Secured for Personal Purpose [Member] \| Performing and Nonperforming [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	163,368	149,164	'
Real Estate-Home Equity Secured for Personal Purpose [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	105,191	95,345	'
Real Estate-Home Equity Secured for Personal Purpose [Member] \| Performing Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	105,114	95,245	'
Real Estate-Home Equity Secured for Personal Purpose [Member] \| Nonperforming Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	77	100	'
Real Estate-Home Equity Secured for Personal Purpose [Member] \| Performing and Nonperforming [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	105,191	95,345	'
Loans to Individuals [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	30,144	40,000	42,211
Loans to Individuals [Member] \| Performing Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	29,887	39,645	'
Loans to Individuals [Member] \| Nonperforming Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	257	355	'
Loans to Individuals [Member] \| Performing and Nonperforming [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	30,144	40,000	'
Lease Financings [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	111,952	105,994	102,761
Lease Financings [Member] \| Performing Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	111,619	105,605	'
Lease Financings [Member] \| Nonperforming Financing Receivable [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	333	389	'
Lease Financings [Member] \| Performing and Nonperforming [Member]	'	'	'
Financing Receivable, Recorded Investment [Line Items]	'	'	'
Loans and leases held for investment	$111,952	$105,994	'

Loans_and_Leases_Reserve_for_L

Loans and Leases - Reserve for Loan and Lease Losses Roll Forward (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	$24,094	$24,718	$24,494	$24,746
Charge-offs	-2,857	-4,194	-6,838	-10,359
Recoveries	292	217	1,147	834
Provision (recovery of provision)	233	4,094	2,959	9,614
Ending balance	21,762	24,835	21,762	24,835
Commercial, Financial and Agricultural [Member]	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	9,714	11,395	9,789	11,594
Charge-offs	-968	-812	-2,657	-1,973
Recoveries	88	85	197	172
Provision (recovery of provision)	-1,219	-152	286	723
Ending balance	7,615	10,516	7,615	10,516
Real Estate-Commercial and Construction [Member]	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	9,263	8,662	8,780	7,507
Charge-offs	-1,570	-2,784	-2,878	-6,857
Recoveries	58	0	428	48
Provision (recovery of provision)	1,337	2,542	2,758	7,722
Ending balance	9,088	8,420	9,088	8,420
Real Estate-Residential Secured for Business Purpose [Member]	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	1,025	586	1,062	639
Charge-offs	-26	-38	-140	-112
Recoveries	9	1	57	9
Provision (recovery of provision)	-48	682	-19	695
Ending balance	960	1,231	960	1,231
Real Estate-Residential and Home Equity Secured for Personal Purpose [Member]	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	1,248	1,084	1,284	980
Charge-offs	-18	-133	-108	-160
Recoveries	2	2	29	5
Provision (recovery of provision)	-54	249	-27	377
Ending balance	1,178	1,202	1,178	1,202
Loans to Individuals [Member]	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	405	693	694	679
Charge-offs	-169	-216	-659	-620
Recoveries	53	60	212	172
Provision (recovery of provision)	43	169	85	475
Ending balance	332	706	332	706
Lease Financings [Member]	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	1,101	1,212	1,285	1,326
Charge-offs	-106	-211	-396	-637
Recoveries	82	69	224	428
Provision (recovery of provision)	38	198	2	151
Ending balance	1,115	1,268	1,115	1,268
Unallocated [Member]	'	'	'	'
Financing Receivable, Allowance for Credit Losses [Line Items]	'	'	'	'
Beginning balance	1,338	1,086	1,600	2,021
Provision (recovery of provision)	136	406	-126	-529
Ending balance	$1,474	$1,492	$1,474	$1,492

Loans_and_Leases_Reserve_for_L1

Loans and Leases - Reserve for Loan and Lease Losses and Recorded Investment in Loans and Leases (Detail) (USD $)	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	$1,142	'	'	$3,096	'	'
Ending balance: collectively evaluated for impairment	20,620	'	'	21,739	'	'
Total ending balance	21,762	24,094	24,494	24,835	24,718	24,746
Loans and leases held for investment:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	59,079	'	'	66,804	'	'
Ending balance: collectively evaluated for impairment	1,538,657	'	'	1,459,437	'	'
Total Loans and Leases Held for Investment	1,597,736	'	1,541,484	1,526,241	'	'
Commercial, Financial and Agricultural [Member]	'	'	'	'	'	'
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	685	'	'	2,210	'	'
Ending balance: collectively evaluated for impairment	6,930	'	'	8,306	'	'
Total ending balance	7,615	9,714	9,789	10,516	11,395	11,594
Loans and leases held for investment:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	18,214	'	'	14,029	'	'
Ending balance: collectively evaluated for impairment	420,342	'	'	416,789	'	'
Total Loans and Leases Held for Investment	438,556	'	422,816	430,818	'	'
Real Estate-Commercial and Construction [Member]	'	'	'	'	'	'
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	27	'	'	111	'	'
Ending balance: collectively evaluated for impairment	9,061	'	'	8,309	'	'
Total ending balance	9,088	9,263	8,780	8,420	8,662	7,507
Loans and leases held for investment:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	37,341	'	'	50,242	'	'
Ending balance: collectively evaluated for impairment	675,817	'	'	630,635	'	'
Total Loans and Leases Held for Investment	713,158	'	'	680,877	'	'
Real Estate-Residential Secured for Business Purpose [Member]	'	'	'	'	'	'
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	430	'	'	775	'	'
Ending balance: collectively evaluated for impairment	530	'	'	456	'	'
Total ending balance	960	1,025	1,062	1,231	586	639
Loans and leases held for investment:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	2,921	'	'	1,776	'	'
Ending balance: collectively evaluated for impairment	32,446	'	'	33,897	'	'
Total Loans and Leases Held for Investment	35,367	'	37,319	35,673	'	'
Real Estate-Residential and Home Equity Secured for Personal Purpose [Member]	'	'	'	'	'	'
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	0	'	'	0	'	'
Ending balance: collectively evaluated for impairment	1,178	'	'	1,202	'	'
Total ending balance	1,178	1,248	1,284	1,202	1,084	980
Loans and leases held for investment:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	603	'	'	720	'	'
Ending balance: collectively evaluated for impairment	267,956	'	'	233,181	'	'
Total Loans and Leases Held for Investment	268,559	'	'	233,901	'	'
Loans to Individuals [Member]	'	'	'	'	'	'
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	0	'	'	0	'	'
Ending balance: collectively evaluated for impairment	332	'	'	706	'	'
Total ending balance	332	405	694	706	693	679
Loans and leases held for investment:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	0	'	'	37	'	'
Ending balance: collectively evaluated for impairment	30,144	'	'	42,174	'	'
Total Loans and Leases Held for Investment	30,144	'	40,000	42,211	'	'
Lease Financings [Member]	'	'	'	'	'	'
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	0	'	'	0	'	'
Ending balance: collectively evaluated for impairment	1,115	'	'	1,268	'	'
Total ending balance	1,115	1,101	1,285	1,268	1,212	1,326
Loans and leases held for investment:	'	'	'	'	'	'
Ending balance: individually evaluated for impairment	0	'	'	0	'	'
Ending balance: collectively evaluated for impairment	111,952	'	'	102,761	'	'
Total Loans and Leases Held for Investment	111,952	'	105,994	102,761	'	'
Unallocated [Member]	'	'	'	'	'	'
Reserve for loan and lease losses:	'	'	'	'	'	'
Ending balance: collectively evaluated for impairment	1,474	'	'	1,492	'	'
Total ending balance	$1,474	$1,338	$1,600	$1,492	$1,086	$2,021

Loans_and_Leases_Impaired_Loan

Loans and Leases - Impaired Loans (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	$51,846	$52,598
Impaired loans with an allowance recorded, Recorded Investment	7,233	5,735
Impaired loans with no related allowance, Unpaid Principal Balance	54,684	62,486
Impaired loans with an allowance recorded, Unpaid Principal Balance	7,233	5,798
Total impaired loans, Recorded Investment	59,079	58,333
Total impaired loans, Unpaid Principal Balance	61,917	68,284
Total impaired loans, Related Allowance	1,142	2,963
Commercial, Financial and Agricultural [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	14,777	10,890
Impaired loans with an allowance recorded, Recorded Investment	3,437	3,215
Impaired loans with no related allowance, Unpaid Principal Balance	15,213	11,749
Impaired loans with an allowance recorded, Unpaid Principal Balance	3,437	3,272
Total impaired loans, Recorded Investment	18,214	14,105
Total impaired loans, Unpaid Principal Balance	18,650	15,021
Total impaired loans, Related Allowance	685	2,398
Real Estate-Commercial [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	27,430	28,883
Impaired loans with an allowance recorded, Recorded Investment	2,246	0
Impaired loans with no related allowance, Unpaid Principal Balance	28,545	35,700
Impaired loans with an allowance recorded, Unpaid Principal Balance	2,246	0
Total impaired loans, Recorded Investment	29,676	28,883
Total impaired loans, Unpaid Principal Balance	30,791	35,700
Total impaired loans, Related Allowance	27	0
Real Estate-Construction [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	7,665	12,357
Impaired loans with no related allowance, Unpaid Principal Balance	8,902	14,540
Total impaired loans, Recorded Investment	7,665	12,357
Total impaired loans, Unpaid Principal Balance	8,902	14,540
Total impaired loans, Related Allowance	0	0
Real Estate-Residential Secured for Business Purpose [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	1,371	224
Impaired loans with an allowance recorded, Recorded Investment	1,550	1,550
Impaired loans with no related allowance, Unpaid Principal Balance	1,400	235
Impaired loans with an allowance recorded, Unpaid Principal Balance	1,550	1,550
Total impaired loans, Recorded Investment	2,921	1,774
Total impaired loans, Unpaid Principal Balance	2,950	1,785
Total impaired loans, Related Allowance	430	501
Real Estate-Residential Secured for Personal Purpose [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	526	131
Impaired loans with an allowance recorded, Recorded Investment	0	970
Impaired loans with no related allowance, Unpaid Principal Balance	547	131
Impaired loans with an allowance recorded, Unpaid Principal Balance	0	976
Total impaired loans, Recorded Investment	526	1,101
Total impaired loans, Unpaid Principal Balance	547	1,107
Total impaired loans, Related Allowance	0	64
Real Estate-Home Equity Secured for Personal Purpose [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	77	77
Impaired loans with no related allowance, Unpaid Principal Balance	77	77
Total impaired loans, Recorded Investment	77	77
Total impaired loans, Unpaid Principal Balance	77	77
Total impaired loans, Related Allowance	0	0
Loans to Individuals [Member]	'	'
Financing Receivable, Impaired [Line Items]	'	'
Impaired loans with no related allowance, Recorded Investment	0	36
Impaired loans with no related allowance, Unpaid Principal Balance	0	54
Total impaired loans, Recorded Investment	0	36
Total impaired loans, Unpaid Principal Balance	0	54
Total impaired loans, Related Allowance	$0	$0

Loans_and_Leases_Average_Recor

Loans and Leases - Average Recorded Investment in Impaired Loans and Leases and Analysis of Interest on Impaired Loans (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	$56,408	$44,651	$55,305	$43,556
Interest Income Recognized	470	228	1,372	604
Additional Interest Income That Would Have Been Recognized Under Original Terms	293	417	891	1,293
Commercial, Financial and Agricultural [Member]	'	'	'	'
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	16,577	5,971	14,806	3,985
Interest Income Recognized	150	29	401	45
Additional Interest Income That Would Have Been Recognized Under Original Terms	72	70	188	132
Real Estate-Commercial [Member]	'	'	'	'
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	26,531	22,789	25,734	23,138
Interest Income Recognized	281	171	816	473
Additional Interest Income That Would Have Been Recognized Under Original Terms	82	150	248	566
Real Estate-Construction [Member]	'	'	'	'
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	9,982	14,544	11,499	15,291
Interest Income Recognized	20	25	103	81
Additional Interest Income That Would Have Been Recognized Under Original Terms	116	184	363	553
Real Estate-Residential Secured for Business Purpose [Member]	'	'	'	'
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	2,643	585	2,400	341
Interest Income Recognized	19	2	52	2
Additional Interest Income That Would Have Been Recognized Under Original Terms	13	2	48	7
Real Estate-Residential Secured for Personal Purpose [Member]	'	'	'	'
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	590	725	779	758
Interest Income Recognized	0	0	0	0
Additional Interest Income That Would Have Been Recognized Under Original Terms	9	11	41	35
Real Estate-Home Equity Secured for Personal Purpose [Member]	'	'	'	'
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	84	0	82	2
Interest Income Recognized	0	0	0	0
Additional Interest Income That Would Have Been Recognized Under Original Terms	1	0	3	0
Loans to Individuals [Member]	'	'	'	'
Financing Receivable, Impaired [Line Items]	'	'	'	'
Average Recorded Investment	1	37	5	41
Interest Income Recognized	0	1	0	3
Additional Interest Income That Would Have Been Recognized Under Original Terms	$0	$0	$0	$0

Loans_and_Leases_Average_Recor1

Loans and Leases - Average Recorded Investment in Impaired Loans and Leases and Analysis of Interest on Impaired Loans (Parenthetical) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Receivables [Abstract]	'	'	'	'
Interest income recognized on a cash basis for nonaccrual loans	$0	$0	$23	$6
Interest income recognized on accrual method for accruing impaired loans	$470	$228	$1,300	$598

Loans_and_Leases_Troubled_Debt

Loans and Leases - Troubled Debt Restructured Loans (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
	Loans	Loans	Loans	Loans
Accrual Troubled Debt Restructuring Loans [Member]	'	'	'	'
Financing Receivable, Modifications [Line Items]	'	'	'	'
Number of Loans	4	4	4	5
Pre- Restructuring Outstanding Recorded Investment	$2,424	$2,028	$2,424	$3,028
Post- Restructuring Outstanding Recorded Investment	2,424	2,028	2,424	3,028
Related Allowance	132	0	132	0
Accrual Troubled Debt Restructuring Loans [Member] \| Commercial, Financial and Agricultural [Member]	'	'	'	'
Financing Receivable, Modifications [Line Items]	'	'	'	'
Number of Loans	3	0	3	1
Pre- Restructuring Outstanding Recorded Investment	1,424	0	1,424	1,000
Post- Restructuring Outstanding Recorded Investment	1,424	0	1,424	1,000
Related Allowance	132	0	132	0
Accrual Troubled Debt Restructuring Loans [Member] \| Real Estate-Commercial [Member]	'	'	'	'
Financing Receivable, Modifications [Line Items]	'	'	'	'
Number of Loans	1	3	1	3
Pre- Restructuring Outstanding Recorded Investment	1,000	1,569	1,000	1,569
Post- Restructuring Outstanding Recorded Investment	1,000	1,569	1,000	1,569
Related Allowance	0	0	0	0
Accrual Troubled Debt Restructuring Loans [Member] \| Commercial Real Estate Construction Financing Receivable [Member]	'	'	'	'
Financing Receivable, Modifications [Line Items]	'	'	'	'
Number of Loans	0	1	0	1
Pre- Restructuring Outstanding Recorded Investment	0	459	0	459
Post- Restructuring Outstanding Recorded Investment	0	459	0	459
Related Allowance	0	0	0	0
Nonaccrual Troubled Debt Restructured Loans [Member]	'	'	'	'
Financing Receivable, Modifications [Line Items]	'	'	'	'
Number of Loans	0	0	3	0
Pre- Restructuring Outstanding Recorded Investment	0	0	738	0
Post- Restructuring Outstanding Recorded Investment	0	0	738	0
Related Allowance	0	0	0	0
Nonaccrual Troubled Debt Restructured Loans [Member] \| Real Estate-Commercial [Member]	'	'	'	'
Financing Receivable, Modifications [Line Items]	'	'	'	'
Number of Loans	'	'	1	0
Pre- Restructuring Outstanding Recorded Investment	'	'	50	0
Post- Restructuring Outstanding Recorded Investment	'	'	50	0
Related Allowance	'	'	0	0
Nonaccrual Troubled Debt Restructured Loans [Member] \| Real Estate-Residential Secured for Business Purpose [Member]	'	'	'	'
Financing Receivable, Modifications [Line Items]	'	'	'	'
Number of Loans	'	'	2	0
Pre- Restructuring Outstanding Recorded Investment	'	'	688	0
Post- Restructuring Outstanding Recorded Investment	'	'	688	0
Related Allowance	'	'	$0	$0

Loans_and_Leases_Concessions_G

Loans and Leases - Concessions Granted on Accruing and Nonaccrual Loans Restructured (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
	Loans	Loans	Loans	Loans
Accrual Troubled Debt Restructuring Loans [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	4	4	4	5
Amount	$2,424	$2,028	$2,424	$3,028
Accrual Troubled Debt Restructuring Loans [Member] \| Interest Only Term Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	1
Amount	0	0	0	1,000
Accrual Troubled Debt Restructuring Loans [Member] \| Temporary Payment Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	1	0	1
Amount	0	756	0	756
Accrual Troubled Debt Restructuring Loans [Member] \| Interest Rate Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	0
Amount	0	0	0	0
Accrual Troubled Debt Restructuring Loans [Member] \| Maturity Date Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	3	3	3	3
Amount	2,299	1,272	2,299	1,272
Accrual Troubled Debt Restructuring Loans [Member] \| Payments Suspended [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	1	0	1	0
Amount	125	0	125	0
Nonaccrual Troubled Debt Restructured Loans [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	3	0
Amount	0	0	738	0
Nonaccrual Troubled Debt Restructured Loans [Member] \| Interest Only Term Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	0
Amount	0	0	0	0
Nonaccrual Troubled Debt Restructured Loans [Member] \| Temporary Payment Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	0
Amount	0	0	0	0
Nonaccrual Troubled Debt Restructured Loans [Member] \| Interest Rate Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	2	0
Amount	0	0	105	0
Nonaccrual Troubled Debt Restructured Loans [Member] \| Maturity Date Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	1	0
Amount	0	0	633	0
Nonaccrual Troubled Debt Restructured Loans [Member] \| Payments Suspended [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	0
Amount	0	0	0	0
Commercial, Financial and Agricultural [Member] \| Accrual Troubled Debt Restructuring Loans [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	3	0	3	1
Amount	1,424	'	1,424	1,000
Commercial, Financial and Agricultural [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Interest Only Term Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	'	0	1
Amount	0	'	0	1,000
Commercial, Financial and Agricultural [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Temporary Payment Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	'	0	0
Amount	0	'	0	0
Commercial, Financial and Agricultural [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Interest Rate Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	'	0	0
Amount	0	'	0	0
Commercial, Financial and Agricultural [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Maturity Date Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	2	'	2	0
Amount	1,299	'	1,299	0
Commercial, Financial and Agricultural [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Payments Suspended [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	1	'	1	0
Amount	125	'	125	0
Real Estate-Commercial [Member] \| Accrual Troubled Debt Restructuring Loans [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	1	3	1	3
Amount	1,000	1,569	1,000	1,569
Real Estate-Commercial [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Interest Only Term Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	0
Amount	0	0	0	0
Real Estate-Commercial [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Temporary Payment Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	1	0	1
Amount	0	756	0	756
Real Estate-Commercial [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Interest Rate Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	0
Amount	0	0	0	0
Real Estate-Commercial [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Maturity Date Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	1	2	1	2
Amount	1,000	813	1,000	813
Real Estate-Commercial [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Payments Suspended [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	0	0	0
Amount	0	0	0	0
Real Estate-Commercial [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	1	0
Amount	'	'	50	'
Real Estate-Commercial [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Interest Only Term Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	0	'
Amount	'	'	0	'
Real Estate-Commercial [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Temporary Payment Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	0	'
Amount	'	'	0	'
Real Estate-Commercial [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Interest Rate Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	1	'
Amount	'	'	50	'
Real Estate-Commercial [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Maturity Date Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	0	'
Amount	'	'	0	'
Real Estate-Commercial [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Payments Suspended [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	0	'
Amount	'	'	0	'
Commercial Real Estate Construction Financing Receivable [Member] \| Accrual Troubled Debt Restructuring Loans [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	0	1	0	1
Amount	'	459	'	459
Commercial Real Estate Construction Financing Receivable [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Interest Only Term Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	0	'	0
Amount	'	0	'	0
Commercial Real Estate Construction Financing Receivable [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Temporary Payment Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	0	'	0
Amount	'	0	'	0
Commercial Real Estate Construction Financing Receivable [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Interest Rate Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	0	'	0
Amount	'	0	'	0
Commercial Real Estate Construction Financing Receivable [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Maturity Date Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	1	'	1
Amount	'	459	'	459
Commercial Real Estate Construction Financing Receivable [Member] \| Accrual Troubled Debt Restructuring Loans [Member] \| Payments Suspended [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	0	'	0
Amount	'	0	'	0
Real Estate-Residential Secured for Business Purpose [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	2	0
Amount	'	'	688	'
Real Estate-Residential Secured for Business Purpose [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Interest Only Term Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	0	'
Amount	'	'	0	'
Real Estate-Residential Secured for Business Purpose [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Temporary Payment Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	0	'
Amount	'	'	0	'
Real Estate-Residential Secured for Business Purpose [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Interest Rate Reduction [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	1	'
Amount	'	'	55	'
Real Estate-Residential Secured for Business Purpose [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Maturity Date Extension [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	1	'
Amount	'	'	633	'
Real Estate-Residential Secured for Business Purpose [Member] \| Nonaccrual Troubled Debt Restructured Loans [Member] \| Payments Suspended [Member]	'	'	'	'
Concessions granted on accruing and non-accrual loans restructured	'	'	'	'
No. of Loans	'	'	0	'
Amount	'	'	$0	'

Loans_and_Leases_Accruing_and_

Loans and Leases - Accruing and Nonaccrual Troubled Debt Restructured Loans with Payment Defaults (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
	Loans	Loans	Loans	Loans
Accrual Troubled Debt Restructuring Loans [Member]	'	'	'	'
Accruing and nonaccrual troubled debt restructured loans with payment default	'	'	'	'
Number of Loans	0	1	0	4
Recorded Investment	$0	$1,000	$0	$1,230
Accrual Troubled Debt Restructuring Loans [Member] \| Commercial, Financial and Agricultural [Member]	'	'	'	'
Accruing and nonaccrual troubled debt restructured loans with payment default	'	'	'	'
Number of Loans	0	1	0	4
Recorded Investment	0	1,000	0	1,230
Nonaccrual Troubled Debt Restructured Loans [Member]	'	'	'	'
Accruing and nonaccrual troubled debt restructured loans with payment default	'	'	'	'
Number of Loans	0	0	0	0
Recorded Investment	$0	$0	$0	$0

Mortgage_Servicing_Rights_Addi

Mortgage Servicing Rights - Additional Information (Detail) (USD $)	9 Months Ended	12 Months Ended
In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Servicing Assets at Fair Value [Line Items]	'	'
Aggregate fair value of mortgage servicing rights	7.3	7.2
Minimum [Member]	'	'
Servicing Assets at Fair Value [Line Items]	'	'
Range of discount rates used for valuation of mortgage servicing rights	10.00%	5.00%
Maximum [Member]	'	'
Servicing Assets at Fair Value [Line Items]	'	'
Range of discount rates used for valuation of mortgage servicing rights	10.00%	10.00%

Mortgage_Servicing_Rights_Chan

Mortgage Servicing Rights - Changes in Mortgage Servicing Rights (Detail) (Mortgage Servicing Rights [Member], USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Mortgage Servicing Rights [Member]	'	'	'	'
Servicing Asset at Amortized Cost, Balance [Roll Forward]	'	'	'	'
Beginning of period	$5,378	$5,227	$5,519	$4,152
Servicing rights capitalized	365	544	724	2,183
Amortization of servicing rights	-561	-287	-1,068	-1,099
Changes in valuation allowance	243	0	250	248
End of period	5,425	5,484	5,425	5,484
Mortgage loans serviced for others	$779,701	$736,017	$779,701	$736,017

Mortgage_Servicing_Rights_Acti

Mortgage Servicing Rights - Activity in Valuation Allowance for Mortgage Servicing Rights (Detail) (Mortgage Servicing Rights [Member], USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Mortgage Servicing Rights [Member]	'	'	'	'
Movement in Valuation Allowances and Reserves [Roll Forward]	'	'	'	'
Valuation allowance, beginning of period	($243)	($249)	($250)	($497)
Additions	0	0	0	0
Reductions	243	0	250	248
Direct write-downs	0	0	0	0
Valuation allowance, end of period	$0	($249)	$0	($249)

Mortgage_Servicing_Rights_Esti

Mortgage Servicing Rights - Estimated Amortization Expense of Mortgage Servicing Rights (Detail) (Mortgage Servicing Rights [Member], USD $)	Sep. 30, 2014
In Thousands, unless otherwise specified	Sep. 30, 2014
Mortgage Servicing Rights [Member]	'
Finite-Lived Intangible Assets [Line Items]	'
Remainder of 2014	$206
2015	799
2016	693
2017	596
2018	511
Thereafter	$2,620

Income_Taxes_Additional_Inform

Income Taxes - Additional Information (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014	Sep. 30, 2014
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Minimum [Member]	Maximum [Member]
Income Tax Contingency [Line Items]	'	'	'	'
Open tax years	'	'	'2011	'2013
Unrecognized Tax Benefits	$0	$0	'	'
Accrued Interest Or Penalties	$0	$0	'	'

Retirement_Plans_and_Other_Pos2

Retirement Plans and Other Postretirement Benefits - Additional Information (Detail) (USD $)	9 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]	'	'
Employee hire date no longer eligible for noncontributory retirement plan	8-Dec-09	'
Retirement Plans [Member]	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'
Defined Benefit Plan, non-qualified plans, estimated employer contributions for next fiscal year	'	$162
Defined benefit plan, contributions by employer	90	'
Defined benefit plan, benefits paid	1,500	'
Other Post Retirement Benefits [Member]	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'
Expected employer contributions for next fiscal year	'	94
Defined benefit plan, contributions by employer	69	'
Defined benefit plan, benefits paid	$69	'

Retirement_Plans_and_Other_Pos3

Retirement Plans and Other Postretirement Benefits - Components of Net Periodic Benefit Cost (Income) (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Retirement Plans [Member]	'	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'	'
Service cost	$137	$155	$410	$466
Interest cost	476	427	1,426	1,284
Expected return on plan assets	-746	-630	-2,236	-1,894
Amortization of net actuarial loss	164	314	490	943
Accretion of prior service cost	-71	-58	-212	-176
Net periodic benefit (income) cost	-40	208	-122	623
Other Post Retirement Benefits [Member]	'	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'	'
Service cost	19	23	56	69
Interest cost	32	30	99	86
Expected return on plan assets	0	0	0	0
Amortization of net actuarial loss	4	6	9	18
Accretion of prior service cost	-1	-6	-4	-15
Net periodic benefit (income) cost	$54	$53	$160	$158

Earnings_per_Share_Basic_and_D

Earnings per Share - Basic and Diluted Earnings Per Share (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share, Basic and Diluted [Abstract]	'	'	'	'
Numerator for basic and diluted earnings per shareâ€”income available to common shareholders	$6,235	$6,039	$17,041	$16,267
Denominator for basic earnings per shareâ€”weighted-average shares outstanding	16,226	16,658	16,241	16,714
Effect of dilutive securitiesâ€”employee stock options and awards	88	84	90	61
Denominator for diluted earnings per shareâ€”adjusted weighted-average shares outstanding	16,314	16,742	16,331	16,775
Basic earnings per share	$0.38	$0.36	$1.05	$0.97
Diluted earnings per share	$0.38	$0.36	$1.04	$0.97
Average anti-dilutive options and awards excluded from computation of diluted earnings per share	503	470	499	567

Accumulated_Other_Comprehensiv2

Accumulated Other Comprehensive (Loss) Income - Components of Accumulated Other Comprehensive (Loss) Income, Net of Taxes (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accumulated Other Comprehensive (Loss) Income [Line Items]	'	'	'	'
Beginning balance	'	'	($9,955)	($6,920)
Net Change	-253	-474	3,054	-6,783
Ending balance	-6,901	-13,703	-6,901	-13,703
Net Unrealized Holding (Losses) Gains on Available-for-Sale Investment Securities [Member]	'	'	'	'
Accumulated Other Comprehensive (Loss) Income [Line Items]	'	'	'	'
Beginning balance	'	'	-1,472	8,344
Net Change	'	'	2,869	-8,524
Ending balance	1,397	-180	1,397	-180
Net Change Related to Derivative Used for Cash Flow Hedge [Member]	'	'	'	'
Accumulated Other Comprehensive (Loss) Income [Line Items]	'	'	'	'
Beginning balance	'	'	0	-1,241
Net Change	'	'	0	1,241
Ending balance	0	0	0	0
Net Change Related to Defined Benefit Pension Plan [Member]	'	'	'	'
Accumulated Other Comprehensive (Loss) Income [Line Items]	'	'	'	'
Beginning balance	'	'	-8,483	-14,023
Net Change	'	'	185	500
Ending balance	($8,298)	($13,523)	($8,298)	($13,523)

Accumulated_Other_Comprehensiv3

Accumulated Other Comprehensive (Loss) Income - Amounts Reclassified Out of Each Component of Accumulated Comprehensive (Loss) Income (Detail) (USD $)	3 Months Ended				9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'		'		'		'
Net gain on sales of investment securities	$0		$1,426		$557		$2,950
Amortization of net loss included in net periodic pension costs	168		320		499		961
Accretion of prior service cost included in net periodic pension costs	-72		-64		-216		-191
Income before income taxes	8,499		7,439		22,857		20,914
Tax (expense) benefit	-2,264		-1,400		-5,816		-4,647
Income, Net of Tax Amount	6,235		6,039		17,041		16,267
Amount Reclassified from Accumulated Other Comprehensive (Loss) Income [Member] \| Net Unrealized Holding (Losses) Gains on Available-for-Sale Investment Securities [Member]	'		'		'		'
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'		'		'		'
Net gain on sales of investment securities	0		1,426		557		2,950
Income before income taxes	0		1,426		557		2,950
Tax (expense) benefit	0		-499		-195		-1,032
Income, Net of Tax Amount	0		927		362		1,918
Amount Reclassified from Accumulated Other Comprehensive (Loss) Income [Member] \| Net Change Related to Derivative Used for Cash Flow Hedge [Member]	'		'		'		'
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'		'		'		'
Net loss on interest rate swap	0		0		0		-1,866
Income before income taxes	0		0		0		-1,866
Tax (expense) benefit	0		0		0		653
Income, Net of Tax Amount	0		0		0		-1,213
Amount Reclassified from Accumulated Other Comprehensive (Loss) Income [Member] \| Net Change Related to Defined Benefit Pension Plan [Member]	'		'		'		'
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'		'		'		'
Amortization of net loss included in net periodic pension costs	-168	[1]	-320	[1]	-499	[1]	-961	[1]
Accretion of prior service cost included in net periodic pension costs	72	[1]	64	[1]	216	[1]	191	[1]
Income before income taxes	-96		-256		-283		-770
Tax (expense) benefit	33		90		98		270
Income, Net of Tax Amount	($63)		($166)		($185)		($500)

[1]	These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension cost. (See Note 7â€”Retirement Plans and Other Postretirement Benefits for additional details.)

Derivative_Instruments_and_Hed2

Derivative Instruments and Hedging Activities - Notional Amounts and Fair Values of Derivatives Not Designated as Hedging Instruments (Detail) (Not Designated as Hedging Instrument [Member], USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Derivative Notional Amount And Fair Value By Balance Sheet Not Designated As Hedging Instrument [Line Items]	'	'
Notional Amount	$54,121	$32,601
Derivative Assets, Fair Value	660	346
Derivative Liabilities, Fair Value	90	0
Interest Rate Locks with Customers [Member]	'	'
Derivative Notional Amount And Fair Value By Balance Sheet Not Designated As Hedging Instrument [Line Items]	'	'
Notional Amount	25,926	15,176
Interest Rate Locks with Customers [Member] \| Other Assets [Member]	'	'
Derivative Notional Amount And Fair Value By Balance Sheet Not Designated As Hedging Instrument [Line Items]	'	'
Derivative Assets, Fair Value	660	321
Interest Rate Locks with Customers [Member] \| Other Liabilities [Member]	'	'
Derivative Notional Amount And Fair Value By Balance Sheet Not Designated As Hedging Instrument [Line Items]	'	'
Derivative Liabilities, Fair Value	0	0
Forward Loan Sale Commitments [Member]	'	'
Derivative Notional Amount And Fair Value By Balance Sheet Not Designated As Hedging Instrument [Line Items]	'	'
Notional Amount	28,195	17,425
Forward Loan Sale Commitments [Member] \| Other Assets [Member]	'	'
Derivative Notional Amount And Fair Value By Balance Sheet Not Designated As Hedging Instrument [Line Items]	'	'
Derivative Assets, Fair Value	0	25
Forward Loan Sale Commitments [Member] \| Other Liabilities [Member]	'	'
Derivative Notional Amount And Fair Value By Balance Sheet Not Designated As Hedging Instrument [Line Items]	'	'
Derivative Liabilities, Fair Value	$90	$0

Derivative_Instruments_and_Hed3

Derivative Instruments and Hedging Activities - Additional Information (Detail) (Designated as Hedging Instruments [Member], USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Designated as Hedging Instruments [Member]	'	'
Derivatives, Fair Value [Line Items]	'	'
Derivatives designated as hedging instruments	$0	$0

Derivative_Instruments_and_Hed4

Derivative Instruments and Hedging Activities - Income for Derivatives Not Designated as Hedging Instruments (Detail) (Not Designated as Hedging Instrument [Member], USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Income for derivatives not designated as hedging instruments	($10)	($220)	$225	($1,005)
Net (Gain) Loss on Mortgage Banking Activities [Member] \| Interest Rate Locks with Customers [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Income for derivatives not designated as hedging instruments	-109	913	339	-698
Net (Gain) Loss on Mortgage Banking Activities [Member] \| Forward Loan Sale Commitments [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Income for derivatives not designated as hedging instruments	($99)	$1,133	$114	$307

Derivative_Instruments_and_Hed5

Derivative Instruments and Hedging Activities - Income for Derivatives Designated as Hedging Instruments (Detail) (USD $)	3 Months Ended		9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Net loss	$0	$0	$0	($1,990)
Interest Rate Swap [Member] \| Cash Flow Hedge [Member] \| Net Loss on Termination of Interest Rate Swap [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Interest rate swapâ€”cash flow hedgeâ€”loss on termination	0	0	0	-1,866
Interest Rate Swap [Member] \| Cash Flow Hedge [Member] \| Interest Expense [Member]	'	'	'	'
Derivative Instruments, Gain (Loss) [Line Items]	'	'	'	'
Interest rate swapâ€”cash flow hedgeâ€”interest payments	0	0	0	124
Interest rate swapâ€”cash flow hedgeâ€”ineffectiveness	$0	$0	$0	$0

Fair_Value_Disclosures_Additio

Fair Value Disclosures - Additional Information (Detail) (USD $)

9 Months Ended

12 Months Ended

0 Months Ended

3 Months Ended

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Sep. 30, 2014

Dec. 31, 2013

Jul. 01, 2014

Jun. 17, 2014

Jan. 27, 2014

Jun. 17, 2014

Jan. 27, 2014

1-May-13

Jun. 30, 2013

Sep. 30, 2014

Fair Value Measured on Recurring Basis [Member]

Level 3 [Member]

Sterner Insurance Associates Inc [Member]

Girard Partners [Member]

John T. Fretz Insurance Agency [Member]

Javers Group [Member]

Fair Value Measured on Recurring Basis [Member]

Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]

Potential cash payments from contingent consideration, minimum

Potential cash payments from contingent consideration, maximum

5,700,000

14,500,000

620,000

Potential cash payments from contingent consideration, period of measurement (in years)

'3 years

'5 years

'3 years

Potential cash payments from contingent consideration, end date

30-Jun-17

31-Dec-18

30-Apr-16

30-Jun-15

Remaining potential cash payments from contingent consideration, period of measurement (in years)

'2 years

Reduction of other noninterest expense

959,000

Fair value of contingent consideration liability

635,000

5,500,000

Original potential cash payments from contingent consideration, minimum

Original potential cash payments from contingent consideration, maximum

5,700,000

14,500,000

1,700,000

Assets measured at fair value on a recurring basis

304,962,000

336,627,000

Valuation adjustments for loans held for sale

Carrying value of impaired loans held for investment

59,079,000

58,333,000

Valuation allowance of impaired loans held for investment

1,142,000

2,963,000

Mortgage Servicing Rights Carrying Amount Before Valuation Allowance

5,400,000

5,800,000

Mortgage Servicing Rights Valuation Allowance

250,000

Goodwill impairment

Impairment of intangible assets

Fair_Value_Disclosures_Assets_

Fair Value Disclosures - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets:	'	'
Total available-for-sale securities	$304,302	$336,281
Fair Value Measured on Recurring Basis [Member]	'	'
Assets:	'	'
Total available-for-sale securities	304,302	336,281
Total assets	304,962	336,627
Liabilities:	'	'
Total liabilities	6,759	501
Fair Value Measured on Recurring Basis [Member] \| U.S. Treasuries [Member]	'	'
Assets:	'	'
Total available-for-sale securities	4,790	4,708
Fair Value Measured on Recurring Basis [Member] \| U.S. Government Corporations and Agencies [Member]	'	'
Assets:	'	'
Total available-for-sale securities	122,403	128,148
Fair Value Measured on Recurring Basis [Member] \| State and Political Subdivisions [Member]	'	'
Assets:	'	'
Total available-for-sale securities	106,407	107,657
Fair Value Measured on Recurring Basis [Member] \| Residential Mortgage-Backed Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	13,553	35,480
Fair Value Measured on Recurring Basis [Member] \| Collateralized Mortgage Obligations [Member]	'	'
Assets:	'	'
Total available-for-sale securities	6,475	7,201
Fair Value Measured on Recurring Basis [Member] \| Corporate Bonds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	42,975	33,840
Fair Value Measured on Recurring Basis [Member] \| Money Market Mutual Funds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	6,442	16,900
Fair Value Measured on Recurring Basis [Member] \| Equity Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	1,257	2,347
Fair Value Measured on Recurring Basis [Member] \| Interest Rate Locks with Customers [Member]	'	'
Assets:	'	'
Interest rate locks with customers	660	321
Fair Value Measured on Recurring Basis [Member] \| Contingent Consideration Liability [Member]	'	'
Liabilities:	'	'
Derivative liabilities	6,669	501
Fair Value Measured on Recurring Basis [Member] \| Forward Loan Sale Commitments [Member]	'	'
Assets:	'	'
Interest rate locks with customers	'	25
Liabilities:	'	'
Derivative liabilities	90	'
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member]	'	'
Assets:	'	'
Total available-for-sale securities	12,489	23,955
Total assets	12,489	23,955
Liabilities:	'	'
Total liabilities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| U.S. Treasuries [Member]	'	'
Assets:	'	'
Total available-for-sale securities	4,790	4,708
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| U.S. Government Corporations and Agencies [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| State and Political Subdivisions [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Residential Mortgage-Backed Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Collateralized Mortgage Obligations [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Corporate Bonds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Money Market Mutual Funds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	6,442	16,900
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Equity Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	1,257	2,347
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Interest Rate Locks with Customers [Member]	'	'
Assets:	'	'
Interest rate locks with customers	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Contingent Consideration Liability [Member]	'	'
Liabilities:	'	'
Derivative liabilities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 1 [Member] \| Forward Loan Sale Commitments [Member]	'	'
Assets:	'	'
Interest rate locks with customers	'	0
Liabilities:	'	'
Derivative liabilities	0	'
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member]	'	'
Assets:	'	'
Total available-for-sale securities	291,813	312,326
Total assets	292,473	312,672
Liabilities:	'	'
Total liabilities	90	0
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| U.S. Treasuries [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| U.S. Government Corporations and Agencies [Member]	'	'
Assets:	'	'
Total available-for-sale securities	122,403	128,148
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| State and Political Subdivisions [Member]	'	'
Assets:	'	'
Total available-for-sale securities	106,407	107,657
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Residential Mortgage-Backed Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	13,553	35,480
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Collateralized Mortgage Obligations [Member]	'	'
Assets:	'	'
Total available-for-sale securities	6,475	7,201
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Corporate Bonds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	42,975	33,840
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Money Market Mutual Funds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Equity Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Interest Rate Locks with Customers [Member]	'	'
Assets:	'	'
Interest rate locks with customers	660	321
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Contingent Consideration Liability [Member]	'	'
Liabilities:	'	'
Derivative liabilities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 2 [Member] \| Forward Loan Sale Commitments [Member]	'	'
Assets:	'	'
Interest rate locks with customers	'	25
Liabilities:	'	'
Derivative liabilities	90	'
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Total assets	0	0
Liabilities:	'	'
Total liabilities	6,669	501
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| U.S. Treasuries [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| U.S. Government Corporations and Agencies [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| State and Political Subdivisions [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Residential Mortgage-Backed Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Collateralized Mortgage Obligations [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Corporate Bonds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Money Market Mutual Funds [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Equity Securities [Member]	'	'
Assets:	'	'
Total available-for-sale securities	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Interest Rate Locks with Customers [Member]	'	'
Assets:	'	'
Interest rate locks with customers	0	0
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Contingent Consideration Liability [Member]	'	'
Liabilities:	'	'
Derivative liabilities	6,669	501
Fair Value Measured on Recurring Basis [Member] \| Level 3 [Member] \| Forward Loan Sale Commitments [Member]	'	'
Assets:	'	'
Interest rate locks with customers	'	0
Liabilities:	'	'
Derivative liabilities	$0	'

Fair_Value_Disclosures_Conting

Fair Value Disclosures - Contingent Consideration Liability Change in Amount (Detail) (USD $)	9 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Change in Contingent Consideration Liability [Roll Forward]	'	'
Beginning Balance	$501	$903
Contingent Consideration from New Acquisition	6,105	454
Payment of Contingent Consideration	-310	0
Adjustment of Contingent Consideration liability	373	-874
Ending Balance	6,669	483
Girard Partners [Member]	'	'
Change in Contingent Consideration Liability [Roll Forward]	'	'
Beginning Balance	0	'
Contingent Consideration from New Acquisition	5,470	'
Payment of Contingent Consideration	0	'
Adjustment of Contingent Consideration liability	197	'
Ending Balance	5,667	'
John T. Fretz Insurance Agency [Member]	'	'
Change in Contingent Consideration Liability [Roll Forward]	'	'
Beginning Balance	501	0
Contingent Consideration from New Acquisition	0	454
Payment of Contingent Consideration	-310	0
Adjustment of Contingent Consideration liability	154	29
Ending Balance	345	483
Sterner Insurance Associates Inc [Member]	'	'
Change in Contingent Consideration Liability [Roll Forward]	'	'
Beginning Balance	0	'
Contingent Consideration from New Acquisition	635	'
Payment of Contingent Consideration	0	'
Adjustment of Contingent Consideration liability	22	'
Ending Balance	657	'
Javers Group [Member]	'	'
Change in Contingent Consideration Liability [Roll Forward]	'	'
Beginning Balance	'	903
Contingent Consideration from New Acquisition	'	0
Payment of Contingent Consideration	'	0
Adjustment of Contingent Consideration liability	'	-903
Ending Balance	'	$0

Fair_Value_Disclosures_Assets_1

Fair Value Disclosures - Assets Measured at Fair Value on Non-recurring Basis (Detail) (Fair Value, Measurements, Nonrecurring [Member], USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans held for investment	$57,937	$55,370
Total assets	57,937	55,370
Level 1 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans held for investment	0	0
Total assets	0	0
Level 2 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans held for investment	0	0
Total assets	0	0
Level 3 [Member]	'	'
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]	'	'
Impaired loans held for investment	57,937	55,370
Total assets	$57,937	$55,370

Fair_Value_Disclosures_Assets_2

Fair Value Disclosures - Assets, Liabilities and Off-balance Sheet Items Not Measured at Fair Value (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets:	'	'
Held-to-maturity securities	$57,101	$66,853
Deposits:	'	'
Time deposits	261,176	270,789
Fair Value [Member]	'	'
Assets:	'	'
Cash and short-term interest-earning assets	68,408	69,169
Held-to-maturity securities	57,101	66,853
Loans held for sale	2,199	2,267
Net loans and leases held for investment	1,526,454	1,477,945
Mortgage servicing rights	7,337	7,188
Other real estate owned	955	1,650
Total assets	1,662,454	1,625,072
Deposits:	'	'
Demand and savings deposits, non-maturity	1,598,967	1,573,709
Time deposits	263,317	268,909
Total deposits	1,862,284	1,842,618
Short-term borrowings	34,728	35,687
Total liabilities	1,897,012	1,878,305
Off-Balance-Sheet:	'	'
Commitments to extend credit	-1,408	-1,357
Fair Value [Member] \| Level 1 [Member]	'	'
Assets:	'	'
Cash and short-term interest-earning assets	68,408	69,169
Held-to-maturity securities	0	0
Loans held for sale	0	0
Net loans and leases held for investment	0	0
Mortgage servicing rights	0	0
Other real estate owned	0	0
Total assets	68,408	69,169
Deposits:	'	'
Demand and savings deposits, non-maturity	1,598,967	1,573,709
Time deposits	0	0
Total deposits	1,598,967	1,573,709
Short-term borrowings	0	0
Total liabilities	1,598,967	1,573,709
Off-Balance-Sheet:	'	'
Commitments to extend credit	0	0
Fair Value [Member] \| Level 2 [Member]	'	'
Assets:	'	'
Cash and short-term interest-earning assets	0	0
Held-to-maturity securities	57,101	66,853
Loans held for sale	2,199	2,267
Net loans and leases held for investment	0	0
Mortgage servicing rights	0	7,188
Other real estate owned	955	1,650
Total assets	60,255	77,958
Deposits:	'	'
Demand and savings deposits, non-maturity	0	0
Time deposits	263,317	268,909
Total deposits	263,317	268,909
Short-term borrowings	34,728	35,687
Total liabilities	298,045	304,596
Off-Balance-Sheet:	'	'
Commitments to extend credit	-1,408	-1,357
Fair Value [Member] \| Level 3 [Member]	'	'
Assets:	'	'
Cash and short-term interest-earning assets	0	0
Held-to-maturity securities	0	0
Loans held for sale	0	0
Net loans and leases held for investment	1,526,454	1,477,945
Mortgage servicing rights	7,337	0
Other real estate owned	0	0
Total assets	1,533,791	1,477,945
Deposits:	'	'
Demand and savings deposits, non-maturity	0	0
Time deposits	0	0
Total deposits	0	0
Short-term borrowings	0	0
Total liabilities	0	0
Off-Balance-Sheet:	'	'
Commitments to extend credit	0	0
Carrying Amount [Member]	'	'
Assets:	'	'
Cash and short-term interest-earning assets	68,408	69,169
Held-to-maturity securities	56,476	66,003
Loans held for sale	2,156	2,267
Net loans and leases held for investment	1,518,037	1,461,620
Mortgage servicing rights	5,425	5,519
Other real estate owned	955	1,650
Total assets	1,651,457	1,606,228
Deposits:	'	'
Demand and savings deposits, non-maturity	1,598,967	1,573,709
Time deposits	261,176	270,789
Total deposits	1,860,143	1,844,498
Short-term borrowings	38,005	37,256
Total liabilities	1,898,148	1,881,754
Off-Balance-Sheet:	'	'
Commitments to extend credit	$0	$0