WSFS Financial (WSFS) 10-K 17 Mar 14 2013 FY Annual report Financial data

Document_and_Entity_Informatio

Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2013	Mar. 06, 2014	Jun. 30, 2013
Document And Entity Information [Abstract]	'	'	'
Document Type	'10-K	'	'
Amendment Flag	'false	'	'
Document Period End Date	31-Dec-13	'	'
Document Fiscal Year Focus	'2013	'	'
Document Fiscal Period Focus	'FY	'	'
Trading Symbol	'WSFS	'	'
Entity Registrant Name	'WSFS FINANCIAL CORP	'	'
Entity Central Index Key	'0000828944	'	'
Current Fiscal Year End Date	'--12-31	'	'
Entity Well-known Seasoned Issuer	'No	'	'
Entity Current Reporting Status	'Yes	'	'
Entity Voluntary Filers	'No	'	'
Entity Filer Category	'Accelerated Filer	'	'
Entity Common Stock, Shares Outstanding	'	8,911,334	'
Entity Public Float	'	'	$451,284,893

Consolidated_Statement_of_Oper

Consolidated Statement of Operations (USD $)	12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest Income	'	'	'
Interest and fees on loans	$129,138	$130,526	$130,922
Interest on mortgage-backed securities	12,834	18,123	26,486
Interest and dividends on investment securities	1,692	498	683
Interest on reverse mortgage related assets	2,867	1,080	535
Other interest income	391	60	16
Total interest income	146,922	150,287	158,642
Interest Expense	'	'	'
Interest on deposits	7,180	13,101	19,131
Interest on Federal Home Loan Bank advances	1,874	6,252	9,972
Interest on federal funds purchased and securities sold under agreements to repurchase	994	757	1,197
Interest on trust preferred borrowings	1,342	1,480	1,375
Interest on bonds payable	60	'	'
Interest on senior debt	3,771	1,296	'
Interest on other borrowings	113	402	930
Total interest expenses	15,334	23,288	32,605
Net interest income	131,588	126,999	126,037
Provision for loan losses	7,172	32,053	27,996
Net interest income after provision for loan losses	124,416	94,946	98,041
Noninterest Income	'	'	'
Credit/debit card and ATM income	24,350	22,935	21,026
Deposit service charges	17,208	17,133	16,371
Wealth management income	15,528	13,310	11,881
Mortgage banking activities, net	3,980	2,846	1,524
Reverse mortgage consolidation gain	3,801	'	'
Securities gains, net	3,516	21,425	4,878
Loan fee income	1,959	2,340	2,460
Bank-owned life insurance income	270	1,544	2,035
Other income	9,539	5,160	3,413
Total non interest income	80,151	86,693	63,588
Noninterest Expense	'	'	'
Salaries, benefits and other compensation	70,866	66,047	59,823
Occupancy expense	13,486	13,081	12,054
Equipment expense	8,322	7,163	6,915
Data processing and operations expense	5,924	5,581	5,340
Professional fees	4,016	4,109	5,829
FDIC expenses	3,492	5,658	5,949
Loan workout and OREO expense	2,536	6,855	8,896
Marketing expense	2,428	2,656	4,302
Corporate development costs	717	'	780
Debt extinguishment	'	3,662	'
Other operating expense	21,142	18,533	17,589
Total non interest expenses	132,929	133,345	127,477
Income before taxes	71,638	48,294	34,152
Income tax provision	24,756	16,983	11,475
Net income	46,882	31,311	22,677
Dividends on preferred stock and accretion of discount	1,633	2,770	2,770
Net income allocable to common stockholders	$45,249	$28,541	$19,907
Basic	$5.13	$3.28	$2.31
Diluted	$5.06	$3.25	$2.28

Consolidated_Statements_of_Com

Consolidated Statements of Comprehensive Income (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement Of Income And Comprehensive Income [Abstract]	'	'	'
Net income	$46,882	$31,311	$22,677
Other comprehensive (loss) income:	'	'	'
Unrealized (losses) gains on securities available for sale	-51,535	24,114	12,373
Tax benefit (expense)	19,478	-9,090	-4,671
Net of tax amount	-32,057	15,024	7,702
Reclassification adjustment for gains included in net income	-3,516	-21,425	-4,878
Tax expense	1,336	8,142	1,854
Net of tax expense	-2,180	-13,283	-3,024
Total other comprehensive (loss) income	-34,237	1,741	4,678
Total comprehensive income	$12,645	$33,052	$27,355

Consolidated_Statement_of_Cond

Consolidated Statement of Condition (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Assets	'	'
Cash and due from banks	$94,734	$93,629
Cash in non-owned ATMs	389,360	406,627
Interest-bearing deposits in other banks	332	631
Total cash and cash equivalents	484,426	500,887
Investment securities, available-for-sale	817,115	900,859
Loans held-for-sale	31,491	12,758
Loans, net of allowance for loan losses of $41,244 at December 31, 2013 and $43,922 at December 31, 2012	2,904,976	2,723,916
Reverse mortgage related assets	37,328	19,229
Bank-owned life insurance	63,185	62,915
Stock in Federal Home Loan Bank of Pittsburgh, at cost	35,869	31,165
Assets acquired through foreclosure	4,532	4,622
Accrued interest receivable	10,798	9,652
Premises and equipment	35,178	38,257
Goodwill	32,235	28,146
Other intangible assets	6,743	5,174
Other assets	51,887	37,568
Total assets	4,515,763	4,375,148
Deposits:	'	'
Noninterest-bearing demand	650,256	631,026
Interest-bearing demand	638,403	538,195
Money market	887,715	933,901
Savings	383,731	389,977
Time	236,965	316,986
Jumbo certificates of deposit	221,145	294,237
Total customer deposits	3,018,215	3,104,322
Brokered deposits	168,727	170,641
Total deposits	3,186,942	3,274,963
Federal funds purchased and securities sold under agreements to repurchase	97,000	110,000
Federal Home Loan Bank advances	638,091	376,310
Trust preferred borrowings	67,011	67,011
Senior debt	55,000	55,000
Reverse mortgage trust bonds payable	21,990	'
Other borrowed funds	24,739	28,945
Accrued interest payable	838	1,099
Other liabilities	41,102	40,766
Total liabilities	4,132,713	3,954,094
Stockholders' Equity:	'	'
Serial preferred stock $0.01 par value, 7,500,000 shares authorized; none issued at December 31, 2013 and 52,625 at December 31, 2012	'	1
Common stock $0.01 par value, 20,000,000 shares authorized; issued 18,476,003 at December 31, 2013 and 18,354,055 at December, 31 2012	185	184
Capital in excess of par value	178,477	222,978
Accumulated other comprehensive (loss) income	-21,294	12,943
Retained earnings	473,962	433,228
Treasury stock at cost, 9,580,569 shares at December 31, 2013 and December 31, 2012	-248,280	-248,280
Total stockholders' equity	383,050	421,054
Total liabilities and stockholders' equity	$4,515,763	$4,375,148

Consolidated_Statement_of_Cond1

Consolidated Statement of Condition (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, except Share data, unless otherwise specified
Statement Of Financial Position [Abstract]	'	'
Allowance for loan losses	$41,244	$43,922
Preferred stock, par value	$0.01	$0.01
Preferred stock, authorized	7,500,000	7,500,000
Preferred stock, issued	'	52,625
Common stock, par value	$0.01	$0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, issued	18,476,003	18,354,055
Treasury stock, shares	9,580,569	9,580,569

Consolidated_Statement_of_Chan

Consolidated Statement of Changes in Stockholders' Equity (USD $)		Total	Serial Preferred Stock [Member]	Common Stock [Member]	Capital in Excess of Par Value [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Retained Earnings [Member]	Treasury Stock [Member]
In Thousands
Beginning Balance at Dec. 31, 2010		$367,822	$1	$180	$216,316	$6,524	$393,081	($248,280)
Net income		22,677	'	'	'	'	22,677	'
Other comprehensive income (loss)		4,678	'	'	'	4,678	'	'
Cash dividend, $0.48 per share		-4,126	'	'	'	'	-4,126	'
Issuance of common stock, including proceeds from exercise of common stock options		1,124	'	2	1,122	'	'	'
Stock-based compensation expense		1,343	'	'	1,343	'	'	'
Issuance of restricted stock		470	'	'	470	'	'	'
Tax benefit from exercises of common stock options	[1]	776	'	'	776	'	'	'
Preferred stock cash dividends		-2,631	'	'	'	'	-2,631	'
Preferred stock discount accretion		'	'	'	136	'	-136	'
Ending Balance at Dec. 31, 2011		392,133	1	182	220,163	11,202	408,865	-248,280
Net income		31,311	'	'	'	'	31,311	'
Other comprehensive income (loss)		1,741	'	'	'	1,741	'	'
Cash dividend, $0.48 per share		-4,179	'	'	'	'	-4,179	'
Issuance of common stock, including proceeds from exercise of common stock options		2,503	'	2	2,501	'	'	'
Stock-based compensation expense		1,577	'	'	1,577	'	'	'
Issuance of restricted stock		'	'	'	'	'	'	'
Tax benefit from exercises of common stock options	[1]	399	'	'	399	'	'	'
Preferred stock cash dividends		-2,631	'	'	'	'	-2,631	'
Preferred stock discount accretion		'	'	'	138	'	-138	'
Repurchase of Warrant		-1,800	'	'	-1,800	'	'	'
Ending Balance at Dec. 31, 2012		421,054	1	184	222,978	12,943	433,228	-248,280
Net income		46,882	'	'	'	'	46,882	'
Other comprehensive income (loss)		-34,237	'	'	'	-34,237	'	'
Cash dividend, $0.48 per share		-4,224	'	'	'	'	-4,224	'
Issuance of common stock, including proceeds from exercise of common stock options		4,353	'	1	4,352	'	'	'
Stock-based compensation expense		2,938	'	'	2,938	'	'	'
Tax benefit from exercises of common stock options	[1]	683	'	'	683	'	'	'
Preferred stock cash dividends		-1,774	'	'	'	'	-1,774	'
Preferred stock discount accretion		'	'	'	150	'	-150	'
Redemption of preferred stock		-52,625	-1	'	-52,624	'	'	'
Ending Balance at Dec. 31, 2013		$383,050	'	$185	$178,477	($21,294)	$473,962	($248,280)
[1]	Net of deferred tax adjustments for expired options

Consolidated_Statement_of_Chan1

Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement Of Stockholders Equity [Abstract]	'	'	'
Cash dividend per share	$0.48	$0.48	$0.48

Consolidated_Statement_of_Cash

Consolidated Statement of Cash Flows (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating activities:	'	'	'
Net income	$46,882	$31,311	$22,677
Adjustments to reconcile net income to net cash provided by operating activities:	'	'	'
Provision for loan losses	7,172	32,053	27,996
Depreciation of premises and equipment	6,007	5,139	5,015
Amortization, net	11,329	12,261	6,123
(Increase) decrease in accrued interest receivable	-1,146	2,091	22
(Increase) decrease in other assets	5,470	2,491	-3,076
Origination of loans held-for-sale	-250,083	-190,961	-97,883
Proceeds from sales of loans held-for-sale	254,135	222,369	104,133
Gain on mortgage banking activity, net	-3,980	-2,846	-1,524
Gain on mark to market adjustment on reverse mortgage trading asset	125	-125	'
Gain on sale of securities, net	-3,641	-21,300	-4,878
Reverse mortgage consolidation gain	-3,801	'	'
Stock-based compensation expense	3,621	1,976	1,810
Excess tax benefits from share based payment arrangements	-683	-399	-776
Decrease in accrued interest payable	-261	-811	-1,407
Increase (decrease) in other liabilities	-12,465	4,763	13,152
Loss on sale of premises and equipment	'	'	115
Loss on sale of assets acquired through foreclosure and valuation adjustments, net	868	3,701	4,049
Increase in value of bank-owned life insurance	-270	-1,544	-2,035
Deferred income tax (benefit) expense	755	3,591	2,978
(Increase) decrease in capitalized interest, net	-2,653	-728	-143
Net cash provided by operating activities	57,381	103,032	76,348
Investing activities:	'	'	'
Maturities and calls of investment securities	770	9,039	11,943
Sales of investment securities available for sale	274,070	769,982	335,959
Purchases of investment securities available for sale	-335,584	-941,376	-621,138
Repayments of investment securities available for sale	90,041	131,212	175,691
Repayments on reverse mortgages	4,929	'	264
Disbursements for reverse mortgages	-391	-189	-441
Cash received in consolidation of reverse mortgage securitization trust	5,833	'	'
Acquisition of Array/Arrow, net of cash acquired	-4,029	'	'
Net increase in loans	-207,043	-96,435	-189,701
Payment of bank-owned life insurance	'	2,021	2,886
Net (increase) decrease in stock of Federal Home Loan Bank of Pittsburgh	-4,704	4,591	1,780
Sales of assets acquired through foreclosure, net	6,511	14,016	11,611
Proceeds from the sale of premises and equipment	'	'	824
Investment in premises and equipment, net	-2,863	-8,111	-10,494
Net cash used for investing activities	-172,460	-115,250	-280,816
Financing Activities:	'	'	'
Net increase (decrease) in demand and savings deposits	63,498	393,493	285,398
Increase (decrease) in time deposits	-153,113	-147,372	-23,381
Increase (decrease) in brokered deposits	-1,914	-117,361	38,804
Increase (decrease ) in Loan payable	-698	1,727	'
Repayment of reverse mortgage trust bonds payable	-4,349	'	'
Receipts from federal funds purchased and securities sold under agreement to repurchase	21,291,625	19,027,675	13,350,000
Repayments of federal funds purchased and securities sold under agreement to repurchase	-21,304,625	-18,967,675	-13,400,000
Receipts from FHLB advances	48,790,848	39,981,624	14,046,295
Repayments of FHLB advances	-48,529,067	-40,143,996	-13,996,572
Repayment of unsecured debt	'	-30,000	'
Issuance of Senior Debt	'	52,681	'
Dividends paid	-5,998	-6,810	-6,718
Issuance of common stock and exercise of common stock options	4,353	2,503	1,124
Redemption of preferred stock	-52,625	'	'
Repurchase of common stock warrants	'	-1,800	'
Excess tax benefits from share-based payment arrangements	683	399	776
Net cash provided by financing activities	98,618	45,088	295,726
Increase (decrease) in cash and cash equivalents	-16,461	32,870	91,258
Cash and cash equivalents at beginning of year	500,887	468,017	376,759
Cash and cash equivalents at end of year	484,426	500,887	468,017
Supplemental Disclosure of Cash Flow Information:	'	'	'
Cash paid in interest during the year	15,696	24,099	34,012
Cash paid for income taxes, net	21,868	13,806	3,150
Loans transferred to assets acquired through foreclosure	7,289	9,953	18,331
Loans transferred from portfolio to held-for-sale	9,131	31,987	'
Net change in accumulated other comprehensive income	-34,237	1,741	4,678
Fair value of assets acquired	12,817	'	'
Fair value of liabilities assumed	10,127	'	'
Fair value of assets consolidated	41,397	'	'
Fair value of liabilities consolidated	26,339	'	'
Non-cash goodwill adjustments, net	($160)	'	$1,401

Summary_of_Significant_Account

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Summary of Significant Accounting Policies	'
	1.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
	WSFS Financial Corporation (“the Company,” “our Company,” “WSFS”, “we,” “our” or “us”) is a savings and loan holding company organized under the laws of the State of Delaware. Our principal wholly-owned subsidiary, Wilmington Savings Fund Society, FSB (“WSFS Bank” or the “Bank”), is a federal savings bank organized under the laws of the United States which, at December 31, 2013, served customers from our 52 offices located in Delaware (42), Pennsylvania (8), Virginia (1), and Nevada (1).
	In preparing the Consolidated Financial Statements, we are required to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. Although our estimates contemplate current conditions and how we expect them to change in the future, it is reasonably possible that actual conditions in 2014 could be worse than anticipated in those estimates, which could materially affect our results of operations and financial condition. Amounts subject to significant estimates are items such as the allowance for loan losses and lending-related commitments, goodwill and intangible assets, post-retirement obligations, the fair value of financial instruments, investment in reverse mortgage, income taxes and other-than-temporary impairments. Among other effects, such changes could result in future impairments of investment securities, goodwill and intangible assets and establishment of allowances for loan losses and lending-related commitments as well as increased post-retirement expense.
	Basis of Presentation
	The Consolidated Financial Statements include the accounts of the parent company and its wholly owned subsidiaries, WSFS Bank and Montchanin Capital Management, Inc. (“Montchanin”).
	WSFS Bank has two wholly-owned subsidiaries, including WSFS Investment Group, Inc. (“WIG”) and Monarch Entity Services LLC (“Monarch”). WIG markets various third-party insurance and securities products to Bank customers through the Bank’s retail banking system. Monarch provides commercial domicile services which include employees, directors, subleases and registered agent services in Delaware and Nevada.
	Montchanin was formed to provide asset management products and services. Montchanin has one wholly owned subsidiary, Cypress Capital Management, LLC (“Cypress”). Cypress is a Wilmington-based investment advisory firm servicing high net worth individuals and institutions and has approximately $614 million in assets under management at December 31, 2013.
	WSFS Capital Trust III (“the Trust”) is our unconsolidated subsidiary, and was formed in 2005 to issue $67.0 million aggregate principal amount of Pooled Floating Rate Capital Securities. The proceeds from this issue were used to fund the redemption of $51.5 million of Floating Rate WSFS Capital Trust I Preferred Securities (formerly, WSFS Capital Trust I). WSFS Capital Trust I invested all of the proceeds from the sale of the Pooled Floating Rate Capital Securities in our Junior Subordinated Debentures.
	In addition to the subsidiaries listed above, as of December 31, 2013 we also had one consolidated variable interest entity (“VIE”), SASCO 2002-RM1 (“SASCO”), which is a reverse mortgage securitization trust.
	Whenever necessary, reclassifications have been made to the prior years’ Consolidated Financial Statements to conform to the current year’s presentation. All significant intercompany transactions were eliminated in consolidation.
	Cash and Cash Equivalents
	For purposes of reporting cash flows, cash and cash equivalents include cash, cash in non-owned ATMs, amounts due from banks, federal funds sold and securities purchased under agreements to resell.
	Debt and Equity Securities
	Investments in equity securities that have a readily determinable fair value and investments in debt securities are classified into three categories and accounted for as follows:
		•		Debt securities with the positive intention to hold to maturity are classified as “held-to-maturity” and reported at amortized cost.
		•		Debt and equity securities purchased with the intention of selling them in the near future are classified as “trading securities” and reported at fair value, with unrealized gains and losses included in earnings.
		•		Debt and equity securities not classified in either of the above are classified as “available-for-sale securities” and reported at fair value, with unrealized gains and losses excluded from earnings and reported, net of tax, as a separate component of stockholders’ equity.
	Debt and equity securities include mortgage-backed securities, municipal bonds, U.S. Government and agency securities and certain equity securities. Premiums and discounts on debt and equity securities, held-to-maturity and available-for-sale, are recognized in interest income using a level yield method over the period to expected maturity. The fair value of debt and equity securities is primarily obtained from third-party pricing services. Implicit in the valuation are estimated prepayments based on historical and current market conditions.
	When we conclude an investment security is other-than-temporarily impaired (“OTTI”), a loss for the difference between the investment security’s carrying value and its fair value may be recognized as a reduction to non-interest income in the consolidated statement of operations. For an investment in a debt security, if we do not intend to sell the investment security and conclude that it is not more likely than not we will be required to sell the security before recovering the carrying value, which may be maturity, the OTTI charge is separated into “credit” and “other” components. The “other” component of the OTTI is included in other comprehensive income/loss, net of the tax effect, and the “credit” component of the OTTI is included as a reduction to non-interest income in the consolidated statement of operations. We are required to use our judgment to determine impairment in certain circumstances. The specific identification method is used to determine realized gains and losses on sales of investment and mortgage-backed securities. All sales are made without recourse.
	Loans
	Loans are stated net of deferred fees and costs. Interest income on loans is recognized using the level yield method. Loan origination fees, commitment fees and direct loan origination costs are deferred and recognized over the life of the related loans using a level yield method over the period to maturity.
	A loan is impaired when, based on current information and events, it is probable we will be unable to collect all amounts due according to the contractual terms of the loan agreement. Impaired loans are measured based on the present value of expected future discounted cash flows, the market price of the loan or the fair value of the underlying collateral if the loan is collateral dependent. In addition, all loans restructured in a troubled debt restructuring are considered to be impaired. Impaired loans include loans within our commercial (investor and owner-occupied), commercial mortgage, commercial construction, residential mortgages and consumer portfolios. Our policy for recognition of interest income on impaired loans is the same as for nonaccrual loans discussed below.
	Past Due and Nonaccrual Loans
	A loan is considered to be past due on the day after a principal or interest payment is due. Nonaccrual loans are those on which the accrual of interest has ceased. Loans are placed on nonaccrual status immediately if, in our opinion, collection is doubtful, or when principal or interest is contractually past due 90 days or more and the loan is not well secured or in the process of collection. Interest accrued but not collected at the date a loan is placed on nonaccrual status is reversed and charged against interest income. In addition, the accretion of net deferred loan fees is suspended when a loan is placed on nonaccrual status. Subsequent cash receipts are applied either to the outstanding principal or recorded as interest income, depending on our assessment of the ultimate collectability of the loan. Loans are returned to an accrual status when we assess that the borrower has the ability to make all principal and interest payments in accordance with the terms of the loan (i.e. including a consistent repayment record, generally six consecutive payments, has been demonstrated).
	Allowances for Loan Losses
	We maintain allowances for loan losses and charge losses to these allowances when such losses are realized. The determination of the allowance for loan losses requires significant judgment reflecting our best estimate of impairment related to specifically identified loans as well as probable loan losses in the remaining loan portfolio. Our evaluation is based upon a continuing review of these portfolios.
	We have established the loan loss allowance in accordance with guidance provided by the SEC’s Staff Accounting Bulletin 102 (“SAB 102”). Its methodology for assessing the appropriateness of the allowance consists of several key elements which include: specific allowances for identified impaired loans, allowances for pools of homogeneous loans, adjustments for qualitative and environmental factors and allowances for model estimation and complexity risk. Impairment of troubled debt restructurings are measured at the present value of estimated future cash flows using the loan’s effective rate at inception or the fair value of the underlying collateral if the loan is collateral dependent. Troubled debt restructures consist of concessions granted to borrowers facing financial difficulty.
	For additional detail regarding the provision for loan losses, see Note 5 to the Consolidated Financial Statements.
	Loans Held-for-Sale
	Loans held-for-sale are carried at the lower of cost or fair value of such loans in the aggregate or, in some cases, of individual loans.
	Assets Acquired Through Foreclosure
	Assets acquired through foreclosure are recorded at the lower of the recorded investment in the loans or their fair value less estimated disposal costs. Costs subsequently incurred to improve the assets are included in the carrying value provided that the resultant carrying value does not exceed fair value less estimated disposal costs. Costs relating to holding or disposing of the assets are charged to expense in the current period. We write-down the value of the assets when declines in fair value below the carrying value are identified. Loan workout and OREO expenses include costs of holding and operating the assets, net gains or losses on sales of the assets and provisions for losses to reduce such assets to fair value less estimated disposal costs. During 2013, we recorded $592,000 in charges (including write-downs and net losses on sales of assets) related to assets acquired through foreclosure (REO). These charges were $4.3 million and $5.9 million for the years ended December 31, 2012 and 2011, respectively.
	Reverse Mortgages
	We account for our investment in reverse mortgages in accordance with the instructions provided by the staff of the Securities and Exchange Commission (“SEC”) entitled “Accounting for Pools of Uninsured Residential Reverse Mortgage Contracts,” which requires grouping the individual reverse mortgages into “pools” based on similar characteristics and recognizing income based on the estimated effective yield of the pools. In computing the effective yield, we must project the cash inflows and outflows of the pool including actuarial projections of the life expectancy of the individual contract holder and changes in the collateral value of the residence. At each reporting date, a new economic forecast is made of the cash inflows and outflows of each pool of reverse mortgages. The effective yield of each pool is recomputed and income is adjusted to reflect the revised rate of return. Because of this highly specialized accounting, the recorded value of reverse mortgages can result in significant volatility associated with estimations. As a result, income recognition can vary significantly from reporting period to reporting period.
	For additional detail regarding reverse mortgages, see Note 6 to the Consolidated Financial Statements.
	Premises and Equipment
	Premises and equipment is stated at cost less accumulated depreciation and amortization. Costs of major replacements, improvements and additions are capitalized. Depreciation expense is computed on a straight-line basis over the estimated useful lives of the assets or, for leasehold improvements, over the effective life of the related lease if less than the estimated useful life. In general, computer equipment, furniture and equipment and building renovations are depreciated over three, five and ten years, respectively.
	Goodwill and Other Intangible Assets
	In accordance with FASB ASC 805, Business Combinations, and FASB ASC 350, Intangibles — Goodwill and Other, all assets and liabilities acquired in purchase acquisitions, including goodwill, indefinite-lived intangibles and other intangibles are recorded at fair value. We consider our accounting policies related to goodwill and other intangible assets to be critical because the assumptions or judgment used in determining the fair value of assets and liabilities acquired in past acquisitions are subjective and complex. As a result, changes in these assumptions or judgment could have a significant impact on our financial condition or results of operations.
	For additional information regarding our goodwill and other intangible assets, see Notes 2 & 8 to the Consolidated Financial Statements.
	Federal Funds Purchased and Securities Sold Under Agreements to Repurchase
	We enter into sales of securities under agreements to repurchase. Securities sold under agreements to repurchase are treated as financings, with the obligation to repurchase securities sold reflected as a liability in the Consolidated Statement of Condition. The securities underlying the agreements are assets. Generally, federal funds are purchased for periods ranging up to 90 days.
	Loss Contingency for Standby Letters of Credit
	We maintain a loss contingency reserve for standby letters of credit and charge losses to this contingency when such losses are realized. The determination of the loss contingency reserve for standby letters of credit requires significant judgment reflecting management’s best estimate of probable losses related to standby letters of credit.
	Loss Contingency for Unfunded Commitments
	We maintain a loss contingency reserve for unfunded commitments. The determination of the loss contingency reserve for unfunded commitments requires significant judgment reflecting managements best estimate of probable losses related to unfunded commitments.
	Income Taxes
	The provision for income taxes includes federal, state and local income taxes currently payable and those deferred because of temporary differences between the financial statement basis and tax basis of assets and liabilities.
	We account for income taxes in accordance with Financial Accounting Standard Board (“FASB”) Accounting Standards Codification (“ASC”) 740, Income Taxes. ASC 740 prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. Benefits from tax positions are recognized in the financial statements only when it is more-likely-than-not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more-likely-than-not recognition threshold is measured at the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more-likely-than-not recognition threshold are recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not recognition threshold are derecognized in the first subsequent financial reporting period in which that threshold is no longer met. ASC 740 also provides guidance on the accounting for and disclosure of unrecognized tax benefits, interest and penalties.
	Earnings Per Share
	The following table shows the computation of basic and diluted earnings per share:
			2013		2012		2011
			(In Thousands, Except Per Share Data)
	Numerator:
	Net income allocable to common shareholders		$	45,249	$	28,541	$	19,907
	Denominator:
	Denominator for basic earnings per share — weighted average shares			8,818		8,712		8,606
	Effect of dilutive employee stock options, restricted stock and warrants			125		78		111
	Denominator for diluted earnings per share — adjusted weighted average shares and assumed exercise			8,943		8,790		8,717
	Earnings per share:
	Basic:
	Net income allocable to common shareholders		$	5.13	$	3.28	$	2.31
	Diluted:
Net income allocable to common shareholders		$	5.06	$	3.25	$	2.28
Outstanding common stock equivalents having no dilutive effect			441		276		534
RECENT ACCOUNTING PRONOUNCEMENTS
In January 2013, the FASB issued an update (“ASU 2013-01, Balance Sheet (Topic 210): Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities”). The ASU amends Update 2011-11 to clarify that the scope applies to derivatives, repurchase and reverse repurchase agreements, and securities borrowing and lending transactions that are either offset in accordance with Section 210-20-45 or Section 815-10-45 or subject to master netting or similar arrangements. Other types of financial assets and liabilities subject to master netting or similar arrangements are not subject to the disclosure requirements in Update 2011-11. The amendments are effective for fiscal years beginning on or after January 1, 2013, and interim periods within those annual periods. The adoption of this amendment did not have a material effect on our Consolidated Financial Statements.
In January 2013, the FASB issued an update (“ASU 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income”). The ASU requires an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present, either on the face of the statement where net income is presented or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required under U.S. GAAP to be reclassified to net income in its entirety in the same reporting period. The amendments are effective prospectively for reporting periods beginning after December 15, 2012. The adoption of this guidance did not have a material impact on our Financial Statements
In July 2013, the FASB issued ASU No. 2013-10, “Inclusion of the Fed Funds Effective Swap Rate (or Overnight Index Swap Rate) as a Benchmark Interest Rate for Hedge Accounting Purposes” These amendments allow the Fed Funds Effective Swap Rate (OIS) to be used as a U.S. benchmark interest rate for hedge accounting purposes, in addition to the current benchmark rates of UST (the rate on direct Treasury obligations of the U.S. government) and LIBOR (the London Interbank Offered Rate on swaps). The amendments were effective on a prospective basis for new or redesignated hedging relationships on July 17, 2013. The adoption of this amendment did not have material effect on our Consolidated Financial Statements.
In July 2013, the FASB issued ASU No. 2013-11, “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists,” to clarify the balance sheet presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. The ASU requires an unrecognized tax benefit, or a portion of an unrecognized tax benefit, to be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as follows. To the extent a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax law of the applicable jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. The adoption is not expected to have a material effect on our Consolidated Financial Statements.

Business_Combinations

Business Combinations	12 Months Ended
	Dec. 31, 2013
Business Combinations [Abstract]	'
Business Combinations	'
	2. BUSINESS COMBINATIONS
	First Wyoming Financial Corporation
	On November 25, 2013, we announced that we entered into an Agreement and Plan of Reorganization, with First Wyoming Financial Corporation, the parent company of The First National Bank of Wyoming (“First Wyoming”), in a cash and stock transaction valued at approximately $64 million. As of September 30, 2013, First Wyoming operated 6 banking offices in Kent County, Delaware with $307.7 million in total assets and $249.7 million in total deposits. The transaction is expected to be completed in the third quarter of 2014, subject to the satisfaction of customary closing conditions, including regulatory approvals and the approval of the shareholders of First Wyoming Financial Corporation.
	Array Financial Group, Inc. and Arrow Land Transfer Company Acquisition
	On July 31, 2013, WSFS Bank completed the purchase of Array Financial Group, Inc. (“Array”), a Delaware Valley mortgage banking company, specializing in a variety of residential mortgage and refinancing solutions, and Arrow Land Transfer Company (“Arrow”), an abstract and title company that is a related entity to Array. This purchase will expand our mortgage banking business while further increasing fee income. All Array and Arrow employees are now WSFS Associates.
	These companies were acquired through an asset purchase transaction for the purchase price of $8.0 million (including a $1.4 million payment for the working capital of the two companies), $4.0 million of which will be earned through a five-year earn out based on achieved earnings contribution targets. The fair value of this earn out is $2.6 million as of December 31, 2013. Operating results of Array and Arrow are included in the Consolidated Financial Statements since the date of acquisition.
	The transaction was accounted for as a business combination using the acquisition method of accounting and, accordingly, assets acquired, liabilities assumed and consideration paid were recorded at their estimated fair values as of the acquisition date. The excess of consideration paid over the fair value of net assets acquired was recorded as goodwill, which will not be amortizable for book purposes, however will be deductible for tax purposes. We allocated the total balance of goodwill to our WSFS Bank segment. We also recognized $2.4 million in intangible assets (consisting mainly of customer relationships) which will be amortized over 7 years utilizing the straight-line method.
	In connection with the acquisition, the following table summarizes the combined fair value of the assets and liabilities acquired:
	(In Thousands)
	Consideration Paid:
	Cash paid at closing		$	5,374
	Fair value of contingent consideration			2,590	(1)
	Value of consideration			7,964
	Assets acquired (at Fair Value):
	Cash			1,185
	Accounts receivable			220
	Fixed assets			148
	Loans Held-For-Sale			10,096
	Intangible assets			2,353
	Total assets			14,002
	Liabilities assumed (at Fair Value):
	Warehouse line of credit			10,067
	Accounts payable			60
	Total Liabilities			10,127
	Net assets acquired			3,875
	Goodwill resulting from acquisition of Array and Arrow		$	4,089	(1)
	-1	The fair value of contingent consideration and the goodwill resulting from the acquisition were each reduced by $160 from the amounts reported on Form 10-Q for the quarter ended September 30, 2013 as a result of adjustments to these estimates.
	The fair values listed above are estimates and are subject to adjustment as management completes its financial analysis of potential derivatives purchased and in existence at the time of the acquisition. However, while they are not expected to be materially different than those shown, any adjustments to the estimates will be reflected retroactively, as of the date of the transaction.

Investment_Securities

Investment Securities	12 Months Ended
	Dec. 31, 2013
Investments Debt And Equity Securities [Abstract]	'
Investment Securities	'
	3. INVESTMENT SECURITIES
	The following tables detail the amortized cost and the estimated fair value of our investment securities available-for-sale and trading securities:
			Amortized		Gross		Gross			Fair
			Cost		Unrealized		Unrealized			Value
					Gains		Losses
			(In Thousands)
	Available-for-sale securities:
	December 31, 2013
	State and political subdivisions		$	105,354	$	257	$	(5,426	)	$	100,185
	U.S. Government and government sponsored enterprises (“GSE”)			32,082		93		(17	)		32,158
	Collateralized Mortgage Obligation (“CMO”) (1)			103,064		28		(5,535	)		97,557
	Federal National Mortgage Association (“FNMA”) Mortgage-Backed Securities (“MBS”)			382,909		20		(15,801	)		367,128
	Federal Home Loan Mortgage Corporation MBS (“FHLMC”)			129,460		29		(4,994	)		124,495
	Government National Mortgage Association MBS (“GNMA”)			97,830		743		(2,981	)		95,592
			$	850,699	$	1,170	$	(34,754	)	$	817,115
	December 31, 2012
	State and political subdivisions		$	3,120	$	89	$	—		$	3,209
	GSE			46,726		266		(2	)		46,990
	CMO  (1)			248,248		4,353		(301	)		252,300
	FNMA MBS			396,910		9,588		(243	)		406,255
	FHLMC MBS			58,596		1,171		(117	)		59,650
	GNMA MBS			129,288		3,221		(54	)		132,455
			$	882,888	$	18,688	$	(717	)	$	900,859
	-1	Agency CMOs classified as available-for-sale totaled $103.1 million and $248.2 million as of December 31, 2013 and 2012, respectively.
	The scheduled maturities of investment securities available-for-sale at December 31, 2013 and December 31, 2012 were as follows:
			Available-for Sale
			Amortized		Fair
			Cost		Value
			(In Thousands)
	2013 (1)
	Within one year		$	16,319	$	16,378
	After one year but within five years			19,761		19,986
	After five years but within ten years			229,033		217,911
	After ten years			585,586		562,840
			$	850,699	$	817,115
	2012 (1)
	Within one year		$	19,001	$	19,115
	After one year but within five years			28,855		29,034
	After five years but within ten years			321,103		329,580
	After ten years			513,929		523,130
			$	882,888	$	900,859
	-1	Actual maturities could differ from contractual maturities.
	All securities were AAA-rated at the time of purchase and remained at investment grade at December 31, 2013. All securities were evaluated for OTTI at December 31, 2013 and 2012. The result of this evaluation showed no OTTI during 2013. The weighted average duration of MBS was 5.3 years at December 31, 2013.
	MBS have expected maturities that differ from their contractual maturities. These differences arise because borrowers have the right to call or prepay obligations with or without a prepayment penalty.
	At December 31, 2013, investment securities with fair market values aggregating $447.7 million were pledged as collateral for retail customer repurchase agreements, municipal deposits, and other obligations. From time to time, investment securities are also pledged as collateral for FHLB borrowings. There were no FHLB pledged investment securities at December 31, 2013 or 2012.
	During 2013, we sold $274.1 million of investment securities categorized as available-for-sale for net gains of $3.5 million, of which $3.7 million was gain and $230,000 was losses. In 2012, proceeds from the sale of investment securities available-for-sale were $770.0 million and resulted in net gains of $21.3 million. The cost basis of all investment securities sales is based on the specific identification method.
	As of December 31, 2013, our investment securities portfolio had remaining unamortized premiums of $25.3 million and $63,000 of unaccreted discounts.
	At December 31, 2013, we owned investment securities totaling $747.7 million in which the amortized cost basis exceeded fair value. Total unrealized losses on those securities were $34.8 million at December 31, 2013. The temporary impairment is the result of changes in market interest rates subsequent to the purchase of the securities. Our investment portfolio is reviewed each quarter for indications of other than temporary impairment. This review includes analyzing the length of time and the extent to which the fair value has been lower than the amortized cost, the financial condition and near-term prospects of the issuer, including any specific events which may influence the operations of the issuer and our intent and ability to hold the investment for a period of time sufficient to allow for full recovery of the unrealized loss. We evaluate our intent and ability to hold securities based upon our investment strategy for the particular type of security and our cash flow needs, liquidity position, capital adequacy and interest rate risk position. In addition, we do not have the intent to sell, nor is it more likely-than-not we will be required to sell these securities before we are able to recover the amortized cost basis.
	For these investment securities with unrealized losses, the table below shows our gross unrealized losses and fair value by investment category and length of time that individual securities were in a continuous unrealized loss position at December 31, 2013.
			Less than 12 months				12 months or longer					Total
			Fair		Unrealized		Fair			Unrealized		Fair		Unrealized
			Value		Loss		Value			Loss		Value		Loss
			(In Thousands)
	Available-for-sale securities:
	State and political subdivisions		$	83,036	$	5,426	$	—		$	—	$	83,036	$	5,426
	GSE			3,972		13		2,001			4		5,973		17
	CMO			73,109		4,173		21,590			1,362		94,699		5,535
	FNMA MBS			346,266		14,386		17,800			1,415		364,066		15,801
	FHLMC MBS			116,732		4,548		7,307			446		124,039		4,994
	GNMA MBS			57,076		1,897		18,829			1,084		75,905		2,981
	Total temporarily impaired investments		$	680,191	$	30,443	$	67,527		$	4,311	$	747,718	$	34,754
	For these investment securities with unrealized losses, the table below shows our gross unrealized losses and fair value by investment category and length of time that individual securities were in a continuous unrealized loss position at December 31, 2012.
			Less than 12 months				12 months or longer					Total
		Fair		Unrealized		Fair			Unrealized		Fair		Unrealized
		Value		Loss		Value			Loss		Value		Loss
		(In Thousands)
Available-for-sale securities:
State and political subdivisions		$	—	$	—	$	—		$	—	$	—	$	—
GSE			2,008		2		—			—		2,008		2
CMO			40,358		268		1,364			33		41,722		301
FNMA MBS			43,696		243		—			—		43,696		243
FHLMC MBS			13,884		117		—			—		13,884		117
GNMA MBS			10,029		54		—			—		10,029		54
Total temporarily impaired investments		$	109,975	$	684	$	1,364		$	33	$	111,339	$	717

Loans

Loans	12 Months Ended
	Dec. 31, 2013
Receivables [Abstract]	'
Loans	'
	4. LOANS
	The following table details our loan portfolio by category:
	December 31,	2013		2012
	(In Thousands)
	Commercial	$	810,882	$	704,491
	Owner occupied commercial		786,360		770,581
	Commercial Mortgages		725,193		631,365
	Construction		106,074		133,375
	Residential		221,520		243,627
	Consumer		302,234		289,001
			2,952,263		2,772,440
	Less:
	Deferred fees, net		6,043		4,602
	Allowance for loan losses		41,244		43,922
	Net loans	$	2,904,976	$	2,723,916
	Nonaccruing loans aggregated $31.0 million, $47.8 million and $71.1 million at December 31, 2013, 2012 and 2011, respectively. If interest on all such loans had been recorded in accordance with contractual terms, net interest income would have increased by $1.0 million in 2013, $1.6 million in 2012, and $3.1 million in 2011.
	The total amounts of loans serviced for others were $229.8 million, $263.4 million and $308.1 million at December 31, 2013, 2012 and 2011, respectively, which consisted of residential first mortgage loans and reverse mortgage loans. We received fees from the servicing of loans of $342,000, $359,000 and $445,000 during 2013, 2012 and 2011, respectively.
	We record mortgage-servicing rights on our mortgage loan-servicing portfolio. Mortgage servicing rights represent the present value of the future net servicing fees from servicing mortgage loans we acquire or originate. The value of these servicing rights was $419,000 and $240,000 at December 31, 2013 and 2012, respectively. Mortgage loans serviced for others are not included in loans in the accompanying Consolidated Statements of Condition. Changes in the valuation of these servicing rights resulted in net income of $178,000 during 2013 and net income of $24,000 during 2012. Revenues from originating, marketing and servicing mortgage loans as well as valuation adjustments related to capitalized mortgage servicing rights are included in mortgage banking activities, net in the Consolidated Statements of Operations.
	Accrued interest receivable on loans outstanding was $7.8 million and $7.6 million at December 31, 2013 and 2012, respectively.

Allowance_for_Loan_Losses_and_

Allowance for Loan Losses and Credit Quality Information	12 Months Ended
	Dec. 31, 2013
Text Block [Abstract]	'
Allowance for Loan Losses and Credit Quality Information	'
	5. ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY INFORMATION
	Allowance for Loan Losses
	We maintain an allowance for loan losses and charge losses to this allowance when such losses are realized. We established our loan loss allowance in accordance with guidance provided in the Securities and Exchange Commission’s Staff Accounting Bulletin 102 (“SAB 102”). The determination of the allowance for loan losses requires significant, complex and difficult judgments reflecting our best estimate of impairment related to specifically identified impaired loans as well as probable loan losses in the remaining loan portfolio. Our loan officers and risk managers meet at least quarterly to discuss and review the conditions and risks associated with individual problem loans. In addition, various regulatory agencies and loan review consultants periodically review our loan ratings and allowance for loan losses. The following are included in the allowance for loan losses:
		•		Specific reserves for impaired loans
		•		Allowances for pools of homogenous loans based on historical loss experience
		•		Adjustments for qualitative and environmental factors
		•		Allowance for model estimation and complexity risk
	Specific reserves are established for impaired loans where we have identified significant conditions or circumstances related to specific credits that indicate an amount of impairment. Unless loans are well-secured and collection is imminent, all loans that are 90 days past due are deemed impaired. Reserves for impaired loans are charged-off when a probable loss has been confirmed. Estimated losses are based on collateral values, estimates of future cash flows or market valuations. During 2013, net charge-offs totaled $9.9 million, or 0.34%, of average loans annualized, compared to $41.2 million, or 1.49%, of average loans in 2012. We charge loans off when they are deemed to be uncollectable.
	Allowances for pooled homogeneous loans, that are not deemed impaired, are based on historical net loss experience. Estimated losses for pooled portfolios are determined differently for commercial loan pools and retail loan pools. Commercial loans are pooled into following segments: Business Loans (Commercial and Industrial Loans), Commercial Real Estate — Owner-Occupied, Commercial Real Estate – Investor, and Construction Loans. Each pool is further segmented by internally assessed risk ratings. Loan losses for commercial loans are estimated by determining the probability of default and expected loss severity upon default. Probability of default is calculated based on the historical rate of migration to impaired status during the last 15 quarters. Loss severity is calculated as the actual loan losses (net of recoveries) on impaired loans in the respective pool during the same time frame. Retail loans are pooled into the following segments: residential mortgage loans, home equity secured loans, and all other consumer loans. Pooled reserves for retail loans are calculated based solely on the previous three year average net loss rate.
	Qualitative and environmental adjustment factors are taken into consideration when determining the above reserve estimates or core reserves. These adjustment factors are based upon our evaluation of various current internal and external conditions including:
		•		Assessment of current underwriting policies, staff, and portfolio mix
		•		Internal trends of delinquency, non-accrual and criticized loans by segment
		•		Assessment of risk rating accuracy, control and regulatory assessments/environment
		•		General economic conditions – locally and nationally
		•		Market trends impacting collateral values
		•		Competitive environment as it could impact loan structure and underwriting
	The above factors are based on their relative standing compared to the period which historic losses are used in core reserve estimates and current directional trends. Each individual qualitative and environmental factor in our model can add or subtract to core reserves.
	The final component of the allowance is a reserve for model estimation and complexity risk. The calculation of reserves is generally quantitative; however, qualitative estimates of valuations and risk assessment are necessary. We review the qualitative estimates of valuation factors quarterly and adjust based on current trends.
	The following tables provide an analysis of the allowance for loan losses and loan balances as of and for the year ended December 31, 2013 and December 31, 2012:
			Commercial			Owner			Commercial			Construction			Residential			Consumer			Complexity			Total
						Occupied			Mortgages												Risk  (1)
						Commercial
			(In Thousands)
	Twelve months ended December 31, 2013
	Allowance for loan losses
	Beginning balance		$	13,663		$	6,108		$	8,079		$	6,456		$	3,124		$	5,631		$	861		$	43,922
	Charge-offs			(2,636	)		(1,225	)		(1,915	)		(1,749	)		(1,226	)		(4,913	)		—			(13,664	)
	Recoveries			1,003			128			685			989			122			887			—			3,814
	Provision (credit) for			721			2,627			83			(2,370	)		1,058			4,889			164			7,172
	loan losses
	Ending balance		$	12,751		$	7,638		$	6,932		$	3,326		$	3,078		$	6,494		$	1,025		$	41,244
	Period-end allowance allocated to:
	Loans individually evaluated for impairment		$	1,781		$	12		$	1,987		$	—		$	989		$	134			—		$	4,903
	Loans collectively evaluated for impairment			10,970			7,626			4,945			3,326			2,089			6,360			1,025			36,341
	Ending balance		$	12,751		$	7,638		$	6,932		$	3,326		$	3,078		$	6,494		$	1,025		$	41,244
	Period-end loan balances evaluated for:
	Loans individually evaluated for impairment		$	5,003		$	5,197		$	8,661		$	1,158		$	17,852		$	5,411			—		$	43,282	(2)
	Loans collectively evaluated for impairment			805,879			781,163			716,532			104,916			203,668			296,823			—			2,908,981
	Ending balance		$	810,882		$	786,360		$	725,193		$	106,074		$	221,520		$	302,234			—		$	2,952,263
	-1	Represents the portion of the allowance for loan losses established to account for the inherent complexity and uncertainty of estimates.
	-2	The difference between this amount and nonaccruing loans at December 31, 2013 and December 31, 2012, represents accruing troubled debt restructured loans of $12.3 million and $10.1 million, respectively.
			Commercial			Owner			Commercial			Construction			Residential			Consumer			Complexity			Total
						Occupied			Mortgages												Risk
						Commercial
			(In Thousands)
	Twelve months ended December 31, 2012
	Allowance for loan losses
	Beginning balance		$	15,067		$	9,235		$	7,556		$	4,074		$	6,544		$	10,604		$	—		$	53,080
	Charge-offs			(12,806	)		(5,076	)		(6,517	)		(10,820	)		(3,857	)		(6,726	)		—			(45,802	)
	Recoveries			1,536			13			405			1,761			176			700			—			4,591
	Provision (credit) for Loan Losses			9,866			1,936			6,635			11,441			261			1,053			861			32,053
	Ending balance		$	13,663		$	6,108		$	8,079		$	6,456		$	3,124		$	5,631		$	861		$	43,922
	Period-end allowance allocated to:
	Loans individually evaluated for impairment		$	2,100		$	1		$	1,887		$	28		$	919		$	16		$	—		$	4,951
	Loans collectively evaluated for impairment			11,563			6,107			6,192			6,428			2,205			5,615			861			38,971
	Ending balance		$	13,663		$	6,108		$	8,079		$	6,456		$	3,124		$	5,631		$	861		$	43,922
	Period-end loan balances evaluated for:
	Loans individually evaluated for impairment		$	4,861		$	14,001		$	12,634		$	1,547		$	18,483		$	6,329		$	—		$	57,855
	Loans collectively evaluated for impairment			699,630			756,580			618,731			131,828			225,144			282,672			—			2,714,585
	Ending balance		$	704,491		$	770,581		$	631,365		$	133,375		$	243,627		$	289,001		$	—		$	2,772,440
			Commercial  (2)			Commercial			Construction			Residential			Consumer			Total
						Mortgages
			(In Thousands)
Twelve months ended December 31, 2011
Allowance for credit losses
Beginning balance		$	26,480		$	10,564		$	10,019		$	4,028		$	9,248		$	60,339
Charge-offs			(9,419	)		(7,446	)		(11,602	)		(3,165	)		(6,201	)		(37,833	)
Recoveries			897			334			582			211			554			2,578
Provision (credit) for Loan Losses			6,344			4,104			5,075			5,470			7,003			27,996
Ending balance		$	24,302		$	7,556		$	4,074		$	6,544		$	10,604		$	53,080
Period-end allowance allocated to:
Loans individually evaluated for impairment		$	2,630		$	295		$	723		$	964		$	101		$	4,713
Loans collectively evaluated for impairment			21,672			7,261			3,351			5,580			10,503			48,367
Ending balance		$	24,302		$	7,556		$	4,074		$	6,544		$	10,604		$	53,080
Period-end loan balances evaluated for:
Loan individually evaluated for impairment		$	23,193		$	15,814		$	22,124		$	16,227		$	2,621		$	79,979	(1)
Loans collectively evaluated for impairment			1,437,619			610,925			84,144			257,878			288,358			2,678,924
Ending balance		$	1,460,812		$	626,739		$	106,268		$	274,105		$	290,979		$	2,758,903
-1	The difference between this amount and nonaccruing loans at December 31, 2011, represents accruing troubled debt restructured loans of $8.9 million.
-2	Prior to 2012, Owner Occupied Commercial loans were included in Commercial Loans
Non-Accrual and Past Due Loans
Nonaccruing loans are those on which the accrual of interest has ceased. We discontinue accrual of interest on originated loans after payments become more than 90 days past due, or earlier if we do not expect the full collection of principal or interest in accordance with the terms of the loan agreement is probable. Interest accrued but not collected at the date a loan is placed on nonaccrual status is reversed and charged against interest income. In addition, the accretion of net deferred loan fees is suspended when a loan is placed on nonaccrual status. Subsequent cash receipts are applied either to the outstanding principal balance or recorded as interest income, depending on our assessment of the ultimate collectability of principal and interest. Loans greater than 90 days past due and still accruing are defined as loans contractually past due 90 days or more as to principal or interest payments, but remain in accrual status because they are considered well secured and in the process of collection.
The following tables show our nonaccrual and past due loans at the dates indicated:
At Dec. 31, 2013		30–59 Days			60–89 Days			Greater Than			Total Past			Accruing			Nonaccrual			Total
		Past Due and			Past Due and			90 Days			Due			Current			Loans			Loans
		Still Accruing			Still Accruing			Past Due and			And Still			Balances
								Still Accruing			Accruing
(In Thousands)
Commercial		$	1,447		$	—		$	—		$	1,447		$	805,132		$	4,303		$	810,882
Owner occupied commercial			538			—			—			538			780,625			5,197			786,360
Commercial mortgages			83			1,049			—			1,132			715,496			8,565			725,193
Construction			—			—						—			104,916			1,158			106,074
Residential			1,952			1,348			533			3,833			209,255			8,432			221,520
Consumer			1,095			177			—			1,272			297,669			3,293			302,234
Total		$	5,115		$	2,574		$	533		$	8,222		$	2,913,093		$	30,948		$	2,952,263
% of Total Loans			0.17	%		0.09	%		0.02	%		0.28	%		98.67	%		1.05	%		100	%
At Dec. 31, 2012		30–59 Days			60–89 Days			Greater Than			Total Past			Accruing			Nonaccrual			Total Loans
		Past Due and			Past Due and			90 Days			Due			Current			Loans
		Still Accruing			Still Accruing			Past Due and			And  Still			Balances
								Still Accruing			Accruing
(In Thousands)
Commercial		$	1,214		$	—		$	—		$	1,214		$	698,416		$	4,861		$	704,491
Owner occupied commercial			1,264			—			—			1,264			755,316			14,001			770,581
Commercial mortgages			—			—			—			—			618,731			12,634			631,365
Construction			269			70						339			131,489			1,547			133,375
Residential			5,383			606			786			6,775			226,863			9,989			243,627
Consumer			971			526			—			1,497			282,776			4,728			289,001
Total		$	9,101		$	1,202		$	786		$	11,089		$	2,713,591		$	47,760		$	2,772,440
% of Total Loans			0.33	%		0.04	%		0.03	%		0.4	%		97.88	%		1.72	%		100	%
Impaired Loans
Loans for which it is probable we will not collect all principal and interest due according to contractual terms, which is assessed based on the credit characteristics of the loan and/or payment status, are measured for impairment in accordance with the provisions of FASB ASC 310, Receivables. The amount of impairment is required to be measured using one of two methods: (1) the present value of expected future cash flows discounted at the loan’s effective interest rate; or (2) the fair value of collateral, if the loan is collateral dependent. If the measure of the impaired loan is less than the recorded investment in the loan, a related allowance is allocated for the impairment.
The following tables provide an analysis of our impaired loans at December 31, 2013 and December 31, 2012:
2013		Ending			Loans with			Loan with			Related			Contractual			Average
(In Thousands)		Loan			No Related			Related			Reserve			Principal			Loan
		Balances			Reserve (1)			Reserve						Balance			Balances
Commercial		$	5,003		$	2,362		$	2,641		$	1,781		$	13,013		$	5,347
Owner-Occupied Commercial			5,197			5,184			12			12			8,293			11,542
Commercial mortgages			8,661			2,784			5,877			1,987			16,566			10,444
Construction			1,158			1,158			—			—			1,563			968
Residential			17,852			9,750			8,103			989			20,153			18,047
Consumer			5,411			4,767			644			134			6,056			5,455
Total		$	43,282		$	26,005		$	17,277		$	4,903		$	65,644		$	51,803
2012		Ending			Loans with			Loan with			Related			Contractual			Average
(In Thousands)		Loan			No Related			Related			Reserve			Principal			Loan
		Balances			Reserve (1)			Reserve						Balance			Balances
Commercial		$	4,861		$	1,598		$	3,263		$	2,100		$	12,060		$	4,993
Owner-Occupied Commercial			14,001			13,827			174			1			18,658			16,856
Commercial mortgages			12,634			5,422			7,212			1,887			22,192			10,233
Construction			1,547			1,172			375			28			17,711			11,239
Residential			18,483			11,053			7,430			919			20,771			16,917
Consumer			6,329			5,635			694			16			7,265			4,514
Total		$	57,855		$	38,707		$	19,148		$	4,951		$	98,657		$	64,752
-1	Reflects loan balances at or written down to their recorded investment.
Interest income of $922,000, $985,000 and $395,000 was recognized on impaired loans during 2013, 2012 and 2011, respectively.
Credit Quality Indicators
Below is a description of each of our risk ratings for all commercial loans:
Pass. These borrowers presently show no current or potential problems and their loans are considered fully collectible. We further segment Pass ratings into six classifications ranging from Substantially Risk Free (secured by marketable securities within margin and cash secured) to Acceptable Risk.
Special Mention. Borrowers have potential weaknesses that deserve management’s close attention. Borrowers in this category may be experiencing adverse operating trends, e.g.: declining revenues or margins, high leverage, tight liquidity, or increasing inventory without increasing sales. These adverse trends can have a potential negative effect on the borrower’s repayment capacity. These assets are not adversely classified and do not expose the Bank to significant risk that would warrant a more severe rating. Borrowers in this category may also be experiencing significant management problems, pending litigation, or other structural credit weaknesses.
Substandard. Borrowers have well-defined weaknesses that require extensive oversight by management. Borrowers in this category may exhibit one or more of the following: inadequate debt service coverage, unprofitable operations, insufficient liquidity, high leverage, and weak or inadequate capitalization. Relationships in this category are not adequately protected by the sound financial worth and paying capacity of the obligor or the collateral pledged on the loan, if any. The distinct possibility exists that the Bank will sustain some loss if the deficiencies are not corrected.
Doubtful. Borrowers have well-defined weaknesses inherent in the Substandard category with the added characteristic that the possibility of loss is extremely high. Current circumstances in the credit relationship make collection or liquidation in full highly questionable. A doubtful asset has some pending event that may strengthen the asset that defers the loss classification. Such impending events include: perfecting liens on additional collateral, obtaining collateral valuations, an acquisition or liquidation preceding, proposed merger, or refinancing plan.
Loss. Borrowers are uncollectible or of such negligible value that continuance as a bankable asset is not supportable. This classification does not mean that the asset has absolutely no recovery or salvage value, but rather that it is not practical to defer writing off this asset even though partial recovery may be recognized sometime in the future.
Residential and Consumer Loans
The residential and consumer loan portfolios are monitored on an ongoing basis using delinquency information and loan type as credit quality indicators. These credit quality indicators are assessed in the aggregate in these homogeneous portfolios. Loans that are greater than 90 days past due are generally considered nonperforming and placed in nonaccrual status.
The following tables provide an analysis of loans by portfolio segment based on the credit quality indicators used to determine the Allowance at December 31:
Commercial Credit Exposure
																										Total Commercial
		Commercial						Owner Occupied						Commercial						Construction						2013					2012
								Commercial						Mortgages
(In Thousands)		2013			2012			2013			2012			2013			2012			2013			2012			Amount		Percent			Amount		Percent
Risk Rating:
Special mention		$	12,566		$	14,611		$	4,747		$	27,398		$	2,092		$	29,267		$	226		$	2,453		$	19,631				$	73,729
Substandard:
Accrual			56,806			63,074			45,181			44,899			8,146			6,222			3,599			5,755			113,732					119,950
Nonaccrual			2,362			1,598			5,185			13,827			2,784			5,422			1,158			1,172			11,489					22,019
Doubtful/ Nonaccrual			2,641			3,263			12			174			5,877			7,212			—			375			8,530					11,024
Total Special Mention and Substandard			74,375			82,546			55,125			86,298			18,899			48,123			4,983			9,755			153,382		6	%		226,722		10	%
Pass			736,507			621,945			731,235			684,283			706,294			583,242			101,091			123,620			2,275,127		94			2,013,090		90
Total		$	810,882		$	704,491		$	786,360		$	770,581		$	725,193		$	631,365		$	106,074		$	133,375		$	2,428,509		100	%	$	2,239,812		100	%
Consumer Credit Exposure
														Total Residential and Consumer
		Residential						Consumer						2013						2012
(In Thousands)		2013			2012			2013			2012			Amount			Percent			Amount			Percent
Nonperforming (1)		$	17,852		$	18,483		$	5,411		$	6,329		$	23,263			4	%	$	24,812			5	%
Performing			203,668			225,144			296,823			282,672			500,491			96	%		507,816			95	%
Total		$	221,520		$	243,627		$	302,234		$	289,001		$	523,754			100	%	$	532,628			100	%
-1	Includes $11.5 million as of December 31, 2013 and $10.1 million as of December 31, 2012 of troubled debt restructured mortgages and home equity installment loans that are performing in accordance with the loans modified terms and are accruing interest.
Troubled Debt Restructurings (TDR)
The balance of TDRs at December 31, 2013 and December 31, 2012 was $27.6 million and $22.0 million, respectively. The balances at December 31, 2013 include approximately $15.3 million of TDRs in nonaccrual status and $12.3 million of TDRs in accrual status compared to $11.9 million of TDRs in nonaccrual status and $10.1 million of TDRs in accrual status at December 31, 2012. Approximately $4.1 million and $936,000 in related reserves have been established for these loans at December 31, 2013 and December 31, 2012, respectively.
A modification is classified as a troubled debt restructuring (“TDR”) if both of the following exist: (1) the borrower is experiencing financial difficulty and (2) the Bank has granted a concession to the borrower. Many aspects of the borrower’s financial situation are assessed when determining whether they are experiencing financial difficulty. Concessions may include the reduction of an interest rate at a rate lower than current market rate for a new loan with similar risk, extension of the maturity date, reduction of accrued interest, or principal forgiveness. The assessments of whether a borrower is experiencing (or is likely to experience) financial difficulty and whether a concession has been granted is subjective in nature and management’s judgment is required when determining whether a modification is a TDR.
During 2013, the terms of 32 loans were modified in TDRs, of which 9 were related to commercial loans that were already placed on nonaccrual. Nonaccruing restructured loans remain in nonaccrual status until there has been a period of sustained repayment performance, typically six months The remaining loans represented residential and consumer loans. Our concessions on restructured loans consisted mainly of forbearance agreements, reduction in interest rates or extensions of maturities. Principal balances are generally not forgiven when a loan is modified as a TDR.
The following table presents loans identified as TDRs during the twelve months ended December 31, 2013 and December 31, 2012:
(In Thousands)		Twelve			Twelve
		Months Ended			Months Ended
		December 31,			December 31,
		2013			2012
Commercial		$	9,241		$	10,235
Commercial mortgages			7,056			—
Construction			—			378
Residential			1,076			5,217
Consumer			1,323			2,386
		$	18,696		$	18,216
The TDRs described above increased the allowance for loan losses by $82,000 through allocation of a related reserve, and resulted in charge offs of $381,000 during the twelve months ending December 31, 2013, most of which had been previously identified and reserved for in prior periods.
There was one residential TDRs in the amount of $130,000 which defaulted (defined as past due 90 days) during the twelve months ended December 31, 2013 that was restructured within the last twelve months prior to December 31, 2012. There were no commercial or consumer TDRs that defaulted within the same time period.

Reverse_Mortgage_Related_Asset

Reverse Mortgage Related Assets	12 Months Ended
	Dec. 31, 2013
Mortgage Banking [Abstract]	'
Reverse Mortgage Related Assets	'
	6. REVERSE MORTGAGE RELATED ASSETS
	Reverse mortgage related assets include reverse mortgage loans, SASCO 2002-RM1’s Class “O” certificates and the BBB-rated tranche of this reverse mortgage security.
	Reverse mortgage loans are contracts in which a homeowner borrows against the equity in their home and receives cash in one lump sum payment, a line of credit, fixed monthly payments for either a specific term or for as long as the homeowner lives in the home, or a combination of these options. Since reverse mortgages are nonrecourse obligations, the loan repayments are generally limited to the sale proceeds of the borrower’s residence and the mortgage balance consists of cash advanced, interest compounded over the life of the loan and some may include a premium which represents a portion of the shared appreciation in the home’s value, if any, or a percentage of the value of the residence.
	In July 2011, we purchased 100% of SASCO 2002-RM1’s Class “O” certificates, representing equity ownership of this reverse mortgage securitization trust, for $2.5 million. This securitization was created in 2002 through the purchase of reverse mortgage loans owned by us, as well as an additional lender. As part of this securitization we retained the BBB rated tranche of this securitization and held this instrument as a trading asset since that time. However, there has never been an active market develop for this asset.
	During the third quarter of 2013, we obtained the right to execute a clean-up call on the underlying collateral. This event triggered us to consolidate the assets and liabilities of the securitization trust, SASCO 2002 RM-1, on our Consolidated Statement of Condition in accordance with ASC 810, Consolidation. As a result, we consolidated $40.5 million of reverse mortgage loans, $5.8 million of cash, $885,000 of MBS and $26.3 million of bonds all at fair value as of September 30, 2013. Related to this accounting, we recorded $3.8 million (pre-tax) in income related to our ownership of the equity tranche of the reverse mortgage securitization. The benefit of this holding in previous years was recorded partially as an adjustment to equity (AOCI), but was taken through earnings during the third quarter as we consolidated the assets and liabilities of the securitization trust on our Consolidated Statement of Condition in accordance with GAAP.
	On January 27, 2014, WSFS completed the legal call of the reverse mortgage trust bonds and the redemption of the trust’s preferred shareholders. For additional information regarding this call, see Note 23 to the Consolidated Financial Statements.
	Our existing investment in reverse mortgages has been combined with the consolidated reverse mortgage loans for a total of $37.3 million at December 31, 2013. The average age of the borrowers is 92 years old and there is currently significant overcollateralization in the portfolio, as the realizable collateral value (the lower of collectable principal and interest or appraised value of the home) of $63 million and the liquid assets of $6 million well exceed the $22.0 million in outstanding bonds at December 31, 2013.
	As of December 31, 2012, our reverse mortgage related assets included ($457,000)carrying value of reverse mortgages, $12.6 million fair value of reverse mortgage trading assets and $7.1 million fair value of SASCO 2002-RM1 Class “O” certificates. For additional information on the valuation of the Class “O” and trading assets see Note 17 of the Consolidated Financial Statements.
	The carrying value of the reverse mortgages is calculated by a model that uses the income approach as described in ASC 820-10-35-32. The model is a present value cash flow model, consistent with ASC 820-10-55-5 which describes the components of a present value measurement. The model incorporates the projected cash flows of the loans (includes payouts and collections) and then discounts these cash flows using the effective yield required on the life of the portfolio to reduce the net investment to zero at the time the final reverse mortgage contract is liquidated. The inputs to the model reflect our expectations of what other market participants would use in pricing this asset in a current transaction and therefore is consistent with ASC 820 that requires an exit price methodology for determining fair value.
	To determine the carrying value of these reverse mortgages as of December 31, 2013 we used a proprietary model and actual cash flow information to estimate future cash flows. There are three main drivers of cash flows; 1) move-out rates. 2) house price appreciation (HPA) forecasts and 3) internal rate of return.
		1)	Move-out rates — The projections incorporate actuarial estimates of contract termination using mortality tables published by the Office of the Actuary of the United States Bureau of Census, adjusted for expected prepayments and relocations.
		2)	House Price Appreciation — Consistent with other reverse mortgage analyses from various market sources, we forecast a 2.5% increase in housing prices in the next year and a 1.75% increase in the following year and thereafter. We believe this forecast continues to be appropriate given the nature of reverse mortgage collateral and historical under-performance to the broad housing market.
		3)	Internal Rate of Return — As of December 31, 2013 the internal rate of return (IRR) of 14.22% was the effective yield required on the life of the portfolio to reduce the net investment to zero at the time the final reverse mortgage contract is liquidated.
	As of December 31, 2013, the Company’s actuarially estimated cash payments to reverse mortgagors were as follows:
	Year Ending
	2014		$	1,004,565
	2015			820,257
	2016			663,038
	2017			530,411
	2018			419,873
	Years 2019 – 2023			1,038,376
	Years 2024 – 2028			242,803
	Years 2029 – 2033			42,848
	Thereafter			5,181
	Total		$	4,767,352
		This table does not take into consideration cash receipts from maturity events of these reverse mortgages.
	The amount of the contract value that would be forfeited if the Company were not to make cash payments to reverse mortgagors in the future is $8.4 million.
	The future cash flows depend on the HPA assumptions. If the future changes in collateral value were assumed to be zero, income would decrease by $155,000 for the year ended December 31, 2013 with an IRR of 12.50%. If the future changes in collateral value were assumed to be reduced by 1%, income would decrease by $77,000 with an IRR of 13.35%.
	The net present value of the projected cash flow depends on the IRR used. If the IRR increased by 1%, the net present value would increase by $103,000. If the IRR decreased by 1%, the net present value would decrease by $101,000.

Premises_and_Equipment

Premises and Equipment	12 Months Ended
	Dec. 31, 2013
Property Plant And Equipment [Abstract]	'
Premises and Equipment	'
	7. PREMISES AND EQUIPMENT
	Land, office buildings, leasehold improvements and furniture and equipment, at cost, are summarized by major classifications:
	December 31,	2013		2012
	(In Thousands)
	Land	$	1,362	$	1,362
	Buildings		4,030		4,020
	Leasehold improvements		35,506		35,011
	Furniture and equipment		38,135		35,912
			79,033		76,305
	Less:
	Accumulated depreciation		43,855		38,048
		$	35,178	$	38,257
	Depreciation expense is computed on a straight-line basis over the estimated useful life of the asset. Leasehold improvements are amortized over the term of the lease or the estimated useful life, whichever, is shorter. In general, computer equipment, furniture and equipment and building renovations are expensed over three, five and ten years, respectively.
	We occupy certain premises including some with renewal options and operate certain equipment under noncancelable leases with terms ranging primarily from 1 to 25 years. These leases are accounted for as operating leases. Accordingly, lease costs are expensed as incurred in accordance with FASB ASC 840-20 Operating Leases. Rent expense was $9.1 million in 2013, $9.0 million in 2012 and $7.9 million in 2011. Future minimum cash payments under these leases at December 31, 2013 are as follows:
	(In Thousands)
	2014	$	7,924
	2015		7,712
	2016		7,483
	2017		7,430
	2018		7,590
	Thereafter		144,635
	Total future minimum lease payments	$	182,774

Goodwill_and_Intangible_Assets

Goodwill and Intangible Assets	12 Months Ended
	Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]	'
Goodwill and Intangible Assets	'
	8. GOODWILL AND INTANGIBLE ASSETS
	In accordance with FASB ASC 805, Business Combinations, and FASB ASC 350, Intangibles — Goodwill and Other, all assets and liabilities acquired in purchase acquisitions, including goodwill, indefinite-lived intangibles and other intangibles are recorded at fair value. We consider our accounting policies related to goodwill and other intangible assets to be critical because the assumptions or judgment used in determining the fair value of assets and liabilities acquired in past acquisitions are subjective and complex. As a result, changes in these assumptions or judgment could have a significant impact on our financial condition or results of operations.
	The fair value of acquired assets and liabilities, including the resulting goodwill, was based either on quoted market prices or provided by other third-party sources, when available. When third-party information was not available we made good-faith estimates primarily through the use of internal cash flow modeling techniques. The assumptions used in the cash flow modeling are subjective and susceptible to significant changes.
	Goodwill and other intangible assets with indefinite useful lives are tested for impairment at least annually and charged to results of operations in periods in which the recorded value is more than the estimated fair value. Intangible assets that have finite useful lives will continue to be amortized over their useful lives and are periodically evaluated for impairment. Goodwill totaled $32.2 million at December 31, 2013 and $28.1 million at December 31, 2012. The majority of this goodwill, or $27.1 million, is in the WSFS Bank reporting unit and is the result of a branch acquisition in 2008, the acquisition of Christiana Bank and Trust (“CB&T”) during 2010 and the purchase of Array and Arrow during 2013. The remaining $5.1 million is in the Trust and Wealth Management reporting unit and is mainly the result of the acquisition of CB&T.
	During 2011, ASU 2011-08, Intangibles — Goodwill and Other (Topic 350), was issued. Under the Update, an entity is not required to calculate the fair value of a reporting unit unless the entity determines that it is more likely than not that its fair value is less than its carrying amount. Therefore, before the first step of the existing guidance, the entity has the option to first assess qualitative factors to determine whether the existence of events or circumstances leads to a determination that the fair value of goodwill is less than carrying value. The qualitative assessment includes adverse events or circumstances identified that could negatively affect the reporting units’ fair value as well as positive and mitigating events. If, after assessing the totality of events or circumstances, an entity determines it is not more likely than not that the fair value of a reporting unit is less than its carrying amount, then performing the two-step process is unnecessary. The entity has the option to bypass the qualitative assessment step for any reporting unit in any period and proceed directly to the first step of the existing two-step process. The entity can resume performing the qualitative assessment in any subsequent period.
	When required, the goodwill impairment test involves a two-step process. The first test is done by comparing the reporting unit’s aggregate fair value to its carrying value. Absent other indicators of impairment, if the aggregate fair value exceeds the carrying value, goodwill is not considered impaired and no additional analysis is necessary. If the carrying value of the reporting unit were to exceed the aggregate fair value, a second test would be performed to measure the amount of impairment loss, if any. To measure any impairment loss, the implied fair value would be determined in the same manner as if the reporting unit were being acquired in a business combination. If the implied fair value of goodwill is less than the recorded goodwill, an impairment charge would be recorded for the difference.
	Fair value may be determined using market prices, comparison to similar assets, market multiples, discounted cash flow analyses and other variables. Estimated cash flows extend five years into the future and, by their nature, are difficult to estimate over such an extended period of time. Factors that may significantly affect estimates include, but are not limited to, balance sheet growth assumptions, credit losses in our investment and loan portfolios, competitive pressures in our market area, changes in customer base and customer product preferences, changes in revenue growth trends, cost structure, changes in discount rates, conditions in the banking sector, and general economic variables.
	As of December 31, 2013, we assessed qualitative factors including macroeconomic conditions, industry and market conditions, cost factors, and overall financial performance in 2013 and determined that it was not more likely than not that the fair value of any of our reporting units was less than their respective carrying amounts. Therefore we did not perform the two-step impairment test for any of our reporting units in 2013. No impairment losses related to our goodwill were recorded in 2013, however there can be no assurance that impairments of our goodwill will not occur in future periods.
	For our goodwill impairment analysis, we allocate all of the goodwill to the individual operating segments. We identify reporting units that are one level below an operating segment (referred to as a component), and distinguish these reporting units based on how the segments and components are managed, taking into consideration the economic characteristics, nature of the products and customers of the components. At the time we acquire a business, we allocate goodwill to applicable reporting units based on their relative fair value, and if we have a significant business reorganization, we may reallocate the goodwill. For additional information on management reporting, see Note 19 to the Consolidated Financial Statements and Note 2 for additional information on the Goodwill that was recorded during 2013.
	The following table shows the allocation of goodwill to our reportable operating segments for purposes of goodwill impairment testing.
	(In Thousands)	WSFS		Cash			Trust &		Consolidated
		Bank		Connect			Wealth		Company
							Management
	December 31, 2011	$	23,012	$	—		$	5,134	$	28,146
	Changes in goodwill		—		—			—		—
	December 31, 2012		23,012		—			5,134		28,146
	Goodwill from business combinations		4,089		—			—		4,089
	December 31, 2013	$	27,101	$	—		$	5,134	$	32,235
		Gross		Accumulated			Net
		Intangible		Amortization			Intangible
		Assets					Assets
		(In Thousands)
	December 31, 2013
	Core deposits	$	4,370	$	(2,605	)	$	1,765
	Other		6,625		(1,647	)		4,978
	Total other intangible assets	$	10,995	$	(4,252	)	$	6,743
	December 31, 2012
	Core deposits	$	4,370	$	(2,020	)	$	2,350
	Other		4,464		(1,640	)		2,824
	Total other intangible assets	$	8,834	$	(3,660	)	$	5,174
	Core deposits are amortized over their expected lives using the present value of the benefit of the core deposits and straight-line methods of amortization. We recognized amortization expense on other intangible assets of $1.0 million, $989,000, and $1.2 million for the years ended December 31, 2013, 2012, and 2011.
	The following presents the estimated amortization expense of intangibles:
	(In Thousands)	Amortization
		of Intangibles
	2014	$	1,167
	2015		1,135
	2016		878
	2017		731
	2018		711
	Thereafter		2,121
	Total	$	6,743
	At December 31, 2013, goodwill and other intangible assets were not considered impaired. Changing economic conditions that may adversely affect our performance and stock price could result in impairment, which could adversely affect earnings in the future.

Deposits

Deposits	12 Months Ended
	Dec. 31, 2013
Banking And Thrift [Abstract]	'
Deposits	'
	9. DEPOSITS
	The following is a summary of deposits by category, including a summary of the remaining time to maturity for time deposits:
	December 31,	2013		2012
	(In Thousands)
	Money market and demand:
	Noninterest-bearing demand	$	650,256	$	631,026
	Interest-bearing demand		638,403		538,195
	Money market		887,715		933,901
	Total money market and demand		2,176,374		2,103,122
	Savings		383,731		389,977
	Customer certificates of deposit by maturity:
	Less than one year		134,356		202,604
	One year to two years		89,750		45,955
	Two years to three years		7,951		60,879
	Three years to four years		1,446		5,894
	Over four years		3,462		1,654
	Total customer time certificates		236,965		316,986
	Jumbo certificates of deposit, by maturity:
	Less than one year		162,617		234,716
	One year to two years		51,996		20,581
	Two years to three years		3,092		36,561
	Three years to four years		535		2,031
	Over four years		2,905		348
	Total jumbo certificates of deposit		221,145		294,237
	Total customer deposits		3,018,215		3,104,322
	Brokered deposits less than one year		168,727		170,641
	Total deposits	$	3,186,942	$	3,274,963
	Interest expense by category follows:
	Year Ended December 31,	2013		2012		2011
	(In Thousands)
	Interest-bearing demand	$	529	$	246	$	405
	Money market		1,123		1,759		2,897
	Savings		217		431		1,465
	Time deposits		4,712		9,531		13,548
	Total customer interest expense		6,581		11,967		18,315
	Brokered deposits		599		1,134		816
	Total interest expense on deposits	$	7,180	$	13,101	$	19,131

Borrowed_Funds

Borrowed Funds	12 Months Ended
	Dec. 31, 2013
Debt Disclosure [Abstract]	'
Borrowed Funds	'
	10. BORROWED FUNDS
	The following is a summary of borrowed funds by type:
	At or for the twelve months ended:	Balance at		Weighted			Maximum		Average		Weighted
		End of		Average			Outstanding		Amount		Average
		Period		Interest			at Month		Outstanding		Interest
				Rate			End During		During the		Rate
							the Period		Year		During the
											Year
	December 31, 2013		(Dollars in Thousands)
	FHLB advances	$	638,091		0.3	%	$	685,591	$	573,989		0.32	%
	Federal funds purchased and securities sold under agreements to repurchase		97,000		0.98			126,000		108,105		0.91
	Trust preferred borrowings		67,011		2.01			67,011		67,011		1.98
	Senior Debt		55,000		6.25			55,000		55,000		6.86
	Reverse mortgage trust bonds payable		21,990		0.34			26,340		6,757		0.88
	Other borrowed funds		24,739		0.09			41,976		35,026		0.32
	December 31, 2012
	FHLB advances	$	376,310		0.57	%	$	588,052	$	466,243		1.32	%
	Federal funds purchased and securities sold under agreements to repurchase		110,000		0.9			125,000		101,106		0.99
	Trust preferred borrowings		67,011		2.08			67,011		67,011		2.17
	Senior Debt		55,000		6.25			55,000		19,085		6.68
	Other borrowed funds		28,945		0.09			64,599		33,924		0.41
	Federal Home Loan Bank Advances
	Advances from the FHLB of Pittsburgh with rates ranging from 0.16% to 1.52% at December 31, 2013 are due as follows:
		Amount		Weighted
				Average
				Rate
		(Dollars in Thousands)
	2014	$	615,925		0.29	%
	2015		22,166		0.58
		$	638,091		0.3
	Pursuant to collateral agreements with the FHLB, advances are secured by qualifying first mortgage loans, qualifying fixed-income securities, FHLB stock and an interest-bearing demand deposit account with the FHLB.
	As a member of the FHLB of Pittsburgh, we are required to purchase and hold shares of capital stock in the FHLB of Pittsburgh in an amount at least equal to 0.35% of our member asset value plus 4.60% of advances outstanding. We were in compliance with this requirement with a stock investment in FHLB of Pittsburgh of $35.9 million at December 31, 2013 and $31.2 million as of December 31, 2012. This stock is carried on the accompanying Consolidated Statement of Condition at cost, which approximates liquidation value.
	The increase in FHLB stock was due to an increase in FHLB Advances outstanding. We received no dividends from the FHLB of Pittsburgh during 2011. However, in February of 2012, the FHLB of Pittsburgh declared and began to pay a dividend on capital stock. We received dividends of $391,000 and $60,000 for the years ended December 31, 2013 and 2012, respectively. For additional information regarding FHLB Stock, see Note 17 to the Consolidated Financial Statements.
	Federal Funds Purchased and Securities Sold Under Agreements to Repurchase
	During 2013 and 2012, we purchased federal funds as a short-term funding source. At December 31, 2013, we had purchased $72.0 million in federal funds at an average rate of 0.28%. At December 31, 2012, we had purchased $85.0 million in federal funds at a rate of 0.27%.
	During 2013, we continued to have securities sold under agreements to repurchase as a funding source. At December 31, 2013, securities sold under agreements to repurchase had a fixed rate of 2.98%. These repurchases mature on January 1, 2015. The underlying securities are mortgage-backed securities with a fair value of $33.6 million at December 31, 2013. Securities sold under agreements to repurchase with the corresponding carrying and market values of the underlying securities are due as follows:
		Borrowing		Rate			Collateral
		Amount					Carrying		Fair		Accrued
							Value		Value		Interest
	(Dollars in Thousands)
	2013
	Over 90 days	$	25,000		2.98	%	$	34,952	$	33,596	$	83
	2012
	Over 90 days	$	25,000		2.98	%	$	41,061	$	41,714	$	104
	Trust Preferred Borrowings
	In 2005, we issued $67.0 million of aggregate principal amount of Pooled Floating Rate Securities at a variable interest rate of 177 basis points over the three-month LIBOR rate.
	Senior Debt
	In 2012, we issued and sold $55.0 million in aggregate principal amount of 6.25% Senior Notes due 2019 (the “Senior Debt”). The Senior Debt is unsecured and ranks equally with all of our other present and future unsecured unsubordinated obligations. The senior debt is effectively subordinated to our secured indebtedness and structurally subordinated to the indebtedness of our subsidiaries. At our option, the Senior Debt is callable, in whole or in part, after five years. The Senior Debt matures on September 1, 2019.
	Reverse Mortgage Trust Bonds Payable
	In conjunction with consolidating reverse mortgage loans through consolidation of a reverse mortgage securitization, we also have recognized the securitization bonds on our Consolidated Statement of Condition. The bonds have a carrying value of $22.0 million and carry an interest rate of 0.88%. We completed the legal call of the bonds on January 27, 2014. See Note 6 to the Consolidated Financial Statements.
	Other Borrowed Funds
	Included in other borrowed funds are collateralized borrowings of $24.7 million and $28.9 million at December 31, 2013 and 2012, respectively, consisting of outstanding retail repurchase agreements, contractual arrangements under which portions of certain securities are sold overnight to retail customers under agreements to repurchase. Such borrowings were collateralized by mortgage-backed securities. The average rates on these borrowings were 0.09% at both December 31, 2013 and 2012.

Stock_and_Common_Stock_Warrant

Stock and Common Stock Warrants	12 Months Ended
	Dec. 31, 2013
Text Block [Abstract]	'
Stock and Common Stock Warrants	'
	11. STOCK AND COMMON STOCK WARRANTS
	In 2010, we completed an underwritten public offering of 1,370,000 shares of common stock and raised $47.1 million net of $2.9 million of costs.
	In 2009 we completed a private placement of stock to Peninsula Investment Partners, L.P. (Peninsula), pursuant to which we issued and sold 862,069 shares of common stock for a total purchase price of $25.0 million, and a 10-year warrant to purchase 129,310 shares of common stock at an exercise price of $29.00 per share. The warrant is immediately exercisable. Total proceeds of $25.0 million were allocated, based on the relative fair value of common stock and common stock warrants, to common stock for $23.5 million and common stock warrants for $1.5 million.
	In 2009, we entered into a purchase agreement with the U.S. Treasury (“Treasury”) pursuant to which we issued and sold 52,625 shares of our fixed-rate cumulative perpetual preferred stock for a total purchase price of $52.6 million, and a 10-year warrant to purchase 175,105 shares of common stock at an exercise price of $45.08 per share. During 2013 we declared and paid $1.8 million of cash dividends on the preferred stock. In 2012 and 2011 we declared and paid $2.6 million of cash dividends. On September 12, 2012 we entered into a letter agreement with the Treasury pursuant to which the Company repurchased the warrant for $1.8 million.
	During 2013, we received regulatory non-objection to repurchase/redeem our cumulative perpetual preferred stock using available cash on hand. Late in the second quarter of 2013, we repurchased $20.0 million of the $52.6 million outstanding in open market transactions (at or very near par value), and redeemed the remaining preferred stock at the stated liquidation (par) value of $1,000 per share in the 3rdquarter.

Stockholders_Equity

Stockholders' Equity	12 Months Ended
	Dec. 31, 2013
Equity [Abstract]	'
Stockholders' Equity	'
	12. STOCKHOLDERS’ EQUITY
	Under guidelines issued by banking regulators, savings institutions such as the Bank must maintain “tangible” capital equal to 1.5% of adjusted total assets, “core” capital equal to 4.0% of adjusted total assets, “Tier 1” capital equal to 4.0% of risk weighted assets and “total” or “risk-based” capital (a combination of core and “supplementary” capital) equal to 8.0% of risk weighted assets. Failure to meet minimum capital requirements can initiate certain mandatory actions and possibly additional discretionary actions by regulators that, if undertaken, could have a direct material effect on our bank’s financial statements. At December 31, 2013 and 2012, the Bank was in compliance with regulatory capital requirements and was deemed a “well-capitalized” institution.
	The following table presents the capital position of the Bank as of December 31, 2013 and 2012:
		Consolidated Bank					For Capital Adequacy					To Be Well-Capitalized
		Capital					Purposes					Under Prompt  Corrective
												Action Provisions
	(In Thousands)	Amount		Percent			Amount		Percent			Amount		Percent
	As of December 31, 2013
	Total Capital (to risk-weighted assets)	$	505,354		14.36	%	$	281,450		8	%	$	351,812		10	%
	Core Capital (to adjusted tangible assets)		463,130		10.35			178,996		4			223,745		5
	Tangible Capital (to tangible assets)		463,130		10.35			67,124		1.5			N/A		N/A
	Tier 1 Capital (to risk-weighted assets)		463,130		13.16			140,725		4			211,087		6
	As of December 31, 2012
	Total Capital (to risk-weighted assets)	$	466,924		14.29	%	$	261,440		8	%	$	326,800		10	%
	Core Capital (to adjusted tangible assets)		426,019		9.83			173,273		4			216,592		5
	Tangible Capital (to tangible assets)		426,019		9.83			64,977		1.5			N/A		N/A
	Tier 1 Capital (to risk-weighted assets)		426,019		13.04			130,720		4			196,080		6
	The Holding Company
	As of December 31, 2013, our capital structure includes one class of stock, $0.01 par common stock outstanding with each share having equal voting rights. During 2013, our preferred stock was fully redeemed at par.
	In 2005, WSFS Capital Trust III, our unconsolidated subsidiary, issued Pooled Floating Rate Securities at a variable interest rate of 177 basis points over the three-month LIBOR rate with a scheduled maturity of June 1, 2035. The par value of these securities is $2.0 million and the aggregate principal is $67.0 million. The proceeds from the issue were invested in Junior Subordinated Debentures we issued. These securities are treated as borrowings with interest included in interest expense on the Consolidated Statement of Operations. At December 31, 2013, the coupon rate of the WSFS Capital Trust III securities was 2.01%. The effective rate will vary due to fluctuations in interest rates.
	When infused into the Bank, the Trust Preferred Securities issued in 2005 qualify as Tier 1 capital. We are prohibited from paying any dividend or making any other capital distribution if, after making the distribution, we would be undercapitalized within the meaning of the Prompt Corrective Action regulations.
	At December 31, 2013, $19.3 million in cash remains at the holding company to support the parent company’s needs.
	Pursuant to federal laws and regulations, our ability to engage in transactions with affiliated corporations is limited, and we generally may not lend funds to nor guarantee our indebtedness.

Associate_Employee_Benefit_Pla

Associate (Employee) Benefit Plans	12 Months Ended
	Dec. 31, 2013
Compensation And Retirement Disclosure [Abstract]	'
Associate (Employee) Benefit Plans	'
	13. ASSOCIATE (EMPLOYEE) BENEFIT PLANS
	Associate 401(k) Savings Plan
	Certain subsidiaries of ours maintain a qualified plan in which Associates may participate. Participants in the plan may elect to direct a portion of their wages into investment accounts that include professionally managed mutual and money market funds and our common stock. Generally, the principal and related earnings are tax deferred until withdrawn. We match a portion of the Associates’ contributions. As a result, our total cash contributions to the plan on behalf of our Associates resulted in an expense of $2.6 million, $2.4 million, and $1.9 million for 2013, 2012, and 2011, respectively.
	All contributions are invested in accordance with the Associates’ selection of investments. If Associates do not designate how discretionary contributions are to be invested, 100% will be invested in a balanced fund. Associates may generally make transfers to various other investment vehicles within the plan. The plan’s yearly activity includes net sales for the WSFS fund of 19,000 for 2013 and net purchases of 2,000, and 24,000 shares of our common stock during 2012 and 2011, respectively.
	Postretirement Benefits
	We share certain costs of providing health and life insurance benefits to retired Associates (and their eligible dependents). Substantially all Associates may become eligible for these benefits if they reach normal retirement age while working for us.
	We account for our obligations under the provisions of FASB ASC 715, Compensation — Retirement Benefits (“ASC 715”). ASC 715 requires that the costs of these benefits be recognized over an Associate’s active working career. Amortization of unrecognized net gains or losses resulting from experience different from that assumed and from changes in assumptions is included as a component of net periodic benefit cost over the remaining service period of active employees to the extent that such gains and losses exceed 10% of the accumulated postretirement benefit obligation, as of the beginning of the year.
	ASC 715 requires that we recognize the funded status of our defined benefit postretirement plan in our statement of financial position, with a corresponding adjustment to accumulated other comprehensive income, net of tax. The adjustment to accumulated other comprehensive income at adoption represented the net unrecognized actuarial losses and unrecognized transition obligation remaining from the initial adoption of ASC 715, all of which were previously netted against the plan’s funded status in our statement of financial position pursuant to the provisions of ASC 715. These amounts will be subsequently recognized as net periodic pension costs pursuant to our historical accounting policy for amortizing such amounts. Further, actuarial gains and losses that arise in subsequent periods, and are not recognized as net periodic pension cost in the same periods, will be recognized as a component of other comprehensive income. Those amounts will be subsequently recognized as a component of net periodic pension cost on the same basis as the amounts recognized in accumulated other comprehensive income at adoption of ASC 715.
	In accordance with ASC 715, during 2014 we expect to recognize $56,000 in expense relating to the amortization of the net actuarial loss, and none relating to the net transition obligation.
	The following disclosures relating to postretirement benefits were measured at December 31:
		2013			2012			2011
	(Dollars in Thousands)
	Change in benefit obligation:
	Benefit obligation at beginning of year	$	4,478		$	3,923		$	3,088
	Service cost		343			288			207
	Interest cost		176			174			166
	Actuarial (gain) loss		(288	)		271			623
	Benefits paid		(149	)		(178	)		(161	)
	Benefit obligation at end of year	$	4,560		$	4,478		$	3,923
	Change in plan assets:
	Fair value of plan assets at beginning of year	$	—		$	—		$	—
	Employer contributions		149			178			161
	Benefits paid		(149	)		(178	)		(161	)
	Fair value of plan assets at end of year	$	—		$	—		$	—
	Funded status:
	Funded status	$	(4,560	)	$	(4,478	)	$	(3,923	)
	Recognized net loss		1,221			1,587			1,444
	Net amount recognized	$	(3,339	)	$	(2,891	)	$	(2,479	)
	Components of net periodic benefit cost:
	Service cost	$	343		$	288		$	207
	Interest cost		177			174			166
	Amortization of transition obligation		—			61			61
	Net loss recognition		78			67			32
	Net periodic benefit cost	$	598		$	590		$	466
	Assumptions used to determine net periodic benefit cost:
	Discount rate		4	%		4.5	%		5.5	%
	Health care cost trend rate		5	%		5	%		5	%
	Sensitivity analysis of health care cost trends:
	Effect of +1% on service cost plus interest cost	$	—		$	(34	)	$	(17	)
	Effect of –1% on service cost plus interest cost		—			12			13
	Effect of +1% on APBO		—			(146	)		(129	)
	Effect of –1% on APBO		—			142			100
	Assumptions used to value the Accumulated Postretirement Benefit Obligation (APBO):
	Discount rate		5	%		4	%		4.5	%
	Health care cost trend rate		5	%		5	%		5	%
	Ultimate trend rate		5	%		5	%		5	%
	Year of ultimate trend rate		2013			2012			2011
	Estimated future benefit payments:
	The following table shows the expected future payments for the next ten years:
	(In Thousands)
	During 2014	$	125
	During 2015		128
	During 2016		132
	During 2017		146
	During 2018		155
	During 2019 through 2023		1,078
		$	1,764
	We assume the average annual rate of increase for medical benefits will stabilize at an average increase of 5% per annum. The costs incurred for retirees’ health care are limited since certain current and all future retirees are restricted to an annual medical premium cap indexed (since 1995) by the lesser of 4% or the actual increase in medical premiums paid by us. For 2013, this annual premium cap amounted to $2,920 per retiree. We estimate that we will contribute approximately $3,037 per retiree to the plan during fiscal 2014.
	We have five additional plans which are no longer being provided to Associates. They are a Supplemental Pension Plan with a corresponding liability of $381,000, an Early Retirement Window Plan with a corresponding liability of $149,000, a Director’s Plan with a corresponding liability of $44,000, a Supplemental Executive Retirement Plan with a corresponding liability of $932,000, and a Post-Retirement Medical Plan with a corresponding liability of $164,000.

Taxes_on_Income

Taxes on Income	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Taxes on Income	'
	14. TAXES ON INCOME
	We and our subsidiaries file a consolidated federal income tax return and separate state income tax returns. Our income tax provision consists of the following:
	Year Ended December 31,	2013			2012			2011
	(In Thousands)
	Current income taxes:
	Federal taxes	$	21,242		$	11,136		$	6,648
	State and local taxes		2,759			2,256			1,849
	Deferred income taxes:
	Federal taxes		875			3,591			2,978
	State and local taxes		(120	)		—			—
	Total	$	24,756		$	16,983		$	11,475
	Current federal income taxes include taxes on income that cannot be offset by net operating loss carryforwards.
	Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The following is a summary of the significant components of our deferred tax assets and liabilities as of December 31, 2013 and 2012:
		2013			2012
	(In Thousands)
	Deferred tax assets:
	Unrealized losses on available-for-sale securities		12,762			—
	Allowance for loan losses		14,436			15,373
	Reserves and other		8,854			7,511
	Deferred gains		453			480
	Net operating losses		1,196			—
	Reverse mortgages		3,686			—
	Total deferred tax assets before valuation allowance		41,387			23,364
	Less: valuation allowance		(4,882	)		—
	Total Deferred tax assets		36,505			23,364
	Deferred tax liabilities:
	Unrealized gains on available-for-sale securities	$	—		$	(8,053	)
	Accelerated depreciation		(1,506	)		(2,115	)
	Other		(2,132	)		(397	)
	Prepaid expenses		(1,112	)		(1,590	)
	Deferred loan costs		(1,843	)		(1,866	)
	Intangibles		(1,765	)		(1,256	)
	Total deferred tax liabilities before valuation allowance		(8,358	)		(15,277	)
	Net deferred tax asset	$	28,147		$	8,087
	Included in the table above is the effect of certain temporary differences for which no deferred tax expense or benefit was recognized. In 2013, such items consisted primarily of $12.8 million of unrealized losses on certain investments in debt and equity securities accounted for under ASC 320 along with $550,000 related to postretirement benefit obligations accounted for under ASC 715. In 2012, they consisted primarily of $8.1 million of unrealized gains on certain investments in debt and equity securities, partially offset by $550,000 related to postretirement benefit obligations.
	Based on our history of prior earnings and our expectations of the future, it is anticipated that operating income and the reversal pattern of our temporary differences will, more likely than not, be sufficient to realize a net deferred tax asset of $28.1 million at December 31, 2013.
	A reconciliation showing the differences between our effective tax rate and the U.S. Federal statutory tax rate is as follows:
	Year Ended December 31,	2013			2012			2011
	Statutory federal income tax rate		35	%		35	%		35	%
	State tax, net of federal tax benefit		2.4			3			3.4
	Interest income 50% excludable		—			(0.5	)		(2.1	)
	Tax-exempt interest		(1.2	)		(0.5	)		(0.4	)
	Bank-owned life insurance income		(0.1	)		(1.1	)		(2.0	)
	Incentive stock option and other nondeductible compensation		0.3			0.6			0.9
	Settlement of prior year charitable donation		—			—			(1.2	)
	Federal tax credits		(1.7	)		(1.4	)		(0.5	)
	Other		(0.1	)		0.1			0.5
	Effective tax rate		34.6	%		35.2	%		33.6	%
	We account for income taxes in accordance with FASB Accounting Standards Codification (“ASC”) 740, Income Taxes (formerly Statement of Financial Accounting Standards (“SFAS”) No. 109, Accounting for Income Taxes and FASB Interpretation No. 48, Accounting for Uncertainty in Income Taxes, an interpretation of FASB Statement 109). ASC 740 prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. Benefits from tax positions are recognized in the financial statements only when it is more-likely-than-not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more-likely-than-not recognition threshold is measured at the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more-likely-than-not recognition threshold are recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not recognition threshold are derecognized in the first subsequent financial reporting period in which that threshold is no longer met. ASC 740 also provides guidance on the accounting for and disclosure of unrecognized tax benefits, interest and penalties.
	As a result of the consolidation for accounting purposes of the SASCO reverse mortgage securitization trust during 2013, a deferred tax asset (“DTA”) of approximately $4.9 million was recorded. However, because SASCO is not consolidated for income tax purposes since it is subject to taxation on a separate entity basis as a real estate investment trust (“REIT”) as of and for the year ended December 31, 2013, a full valuation allowance was also recorded on this DTA due to the uncertainty of its realization. Realization of the DTA is dependent on future taxable income which is not assured as of December 31, 2013 with SASCO as a separate entity. On January 27, 2014 SASCO’s REIT tax structure was eliminated, which will permit tax consolidation within the Bank’s tax return filings on a prospective basis. At this date, the uncertainty surrounding the realization of the DTA was eliminated since the Bank’s Consolidated group is projected to have sufficient taxable income. Accordingly, we expect to remove the $4.9 million valuation allowance along with elimination of a $1.7 million deferred tax liability associated with our original investment in SASCO, which will result in an overall income tax benefit of $6.6 million in 2014. Finally, SASCO has $3.4 million of Federal net operating losses (“NOL’s”) that the Bank will acquire upon SASCO’s liquidation. Such NOL’s expire beginning in 2030.
	Related to the move of our corporate headquarters, during 2007, we donated (to the local Historical Society, for the purpose of community viewing) an N.C. Wyeth mural which was previously displayed in our former headquarters. Pursuant to an appraisal by a nationally recognized art appraisal firm, the estimated fair value of the mural was $6.0 million, which was recorded as a charitable contribution expense. We recognized a related offsetting gain on the transfer of the asset during 2007. The expense and offsetting gain was shown net in our Consolidated Financial Statements. As the gain on the transfer of the asset is permanently excludible from taxation, the charitable contribution transaction results in a permanent deduction for income tax purposes. The amount of the deduction represented an income tax uncertainty because it was subject to evaluation by the Internal Revenue Service (“IRS”). The IRS did not audit our 2007 income tax return and the statute of limitations on this tax year expired in 2011. Accordingly, we recorded a $416,000 tax benefit in 2011 related to the resolution of this uncertainty.
	We record interest and penalties on potential income tax deficiencies as income tax expense. Federal tax years 2010 through 2013 remain subject to examination as of December 31, 2013, while tax years 2010 through 2013 remain subject to examination by state taxing jurisdictions. During 2013, the audit of our 2010 federal tax return was completed by the IRS. We recorded a $186,000 tax benefit as a result of settling this audit. No state income tax return examinations are currently in process. We do not expect to record or realize any material unrecognized tax benefits during 2014.
	ASC 740 prescribes a minimum probability threshold that a tax position must meet before a financial statement benefit is recognized. We recognize, when applicable, interest and penalties related to unrecognized tax benefits in the provision for income taxes in the financial statements. Assessment of uncertain tax positions under ASC 740 requires careful consideration of the technical merits of a position based on our analysis of tax regulations and interpretations. There are no longer any unrecognized tax benefits related to ASC 740 as of December 31, 2013. A reconciliation of the total amounts of unrecognized tax benefits during 2013 and 2012 is as follows:
		2013			2012
	(In Thousands)
	Unrecognized tax benefits at January 1	$	—		$	88
	Tax positions taken during prior years		—			(3	)
	Tax positions taken during current year		—			—
	Reductions relating to settlements with taxing authorities		—			(85	)
	Reductions as a result of a lapse of statutes of limitations		—			—
	Unrecognized tax benefits at December 31	$	—		$	—

StockBased_Compensation

Stock-Based Compensation	12 Months Ended
	Dec. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]	'
Stock-Based Compensation	'
	15. STOCK-BASED COMPENSATION
	Stock-based compensation is accounted for in accordance with FASB ASC 718, Stock Compensation. After shareholder approval in 2005, the 1997 Stock Option Plan (“1997 Plan”) was replaced by the 2005 Incentive Plan (“2005 Plan”). Upon stockholder approval in 2013, the 2005 Incentive Plan was amended and replaced by the 2013 Incentive Plan (“2013 Plan”). No future awards may be granted under the 2005 Plan, however, we still have options outstanding under the 1997 Plan and 2005 Plan for our officers, directors and employees of us and our subsidiaries (“Associates”). The 2013 Plan will terminate on the tenth anniversary of its effective date, after which no awards may be granted. Collectively, the 1997 Plan, 2005 Plan and 2013 Plan are referred to as Stock Incentive Plans. The number of shares reserved for issuance under the 2013 Plan is 698,845. At December 31, 2013, there were 548,845 shares available for future grants under the 2013 Plan.
	With the exception of certain Performance Stock Awards, the Stock Incentive Plans provide for the granting of incentive stock options as defined in Section 422 of the Internal Revenue Code as well as non-incentive stock options (collectively, “Stock Options”). Additionally, the 2013 Plan provides for the granting of stock appreciation rights, performance awards, restricted stock and restricted stock unit awards, deferred stock units, dividend equivalents, other stock-based awards and cash awards. All Stock Options are to be granted at not less than the market price of our common stock on the date of the grant. With the exception of certain Non-Plan Stock Options (as defined below), all Stock Options granted during 2013 and 2012 vest in 25% per annum increments, start to become exercisable one year from the grant date and expire five years from the grant date. Generally, all awards become exercisable immediately in the event of a change in control, as defined within the Stock Incentive Plans. In addition, the Black-Scholes option-pricing model is used to determine the grant date fair value of Stock Options.
	Stock Options
	A summary of the status of our Stock Incentive Plans as of December 31, 2013, 2012 and 2011, respectively, and changes during those years are presented below:
		2013					2012						2011
		Shares			Weighted-		Shares			Weighted-			Shares			Weighted-
					Average					Average						Average
					Exercise					Exercise						Exercise
					Price					Price						Price
	Stock Options:
	Outstanding at beginning of year		335,730		$	42.14		416,886		$	43.52			566,323		$	42.84
	Granted		522,357			49.09		88,307			39.66			57,723			44.15
	Exercised		(118,438	)		39.39		(71,055	)		30.78			(85,379	)		18.94
	Forfeited		(13,081	)		47.5		—			—			(12,666	)		40.85
	Expired		(13,990	)		49.08		(98,408	)		53.99			(109,115	)		59.85
	Outstanding at end of year		712,578			47.42		335,730			42.14			416,886			43.52
	Exercisable at end of year		103,549		$	46.02		178,432		$	45.28			304,628		$	46.27
	Weighted-average fair value of awards granted	$	13.94				$	12.5					$	14.06
	At January 1, 2013 there were nonvested options with a $6.1 million intrinsic value. Stock Options that vested during 2013 had an intrinsic value of $2.4 million and options that were exercised had an intrinsic value of $2.7 million. In addition, there were vested options that expired with no intrinsic value. The exercisable options remaining at December 31, 2013, had an intrinsic value of $3.3 million and an average remaining contractual term of 1.4 years. At December 31, 2013 outstanding options had an intrinsic value of $21.4 million and an average remaining contractual term of 4.7 years.
	The following table provides information about our unvested stock options outstanding at December 31, 2013, 2012 and 2011, respectively:
		2013								2012								2011
		Shares			Weighted-		Weighted-			Shares			Weighted-			Weighted-		Shares			Weighted-		Weighted-
					Average		Average			Shares			Average			Average					Average		Average
					Exercise		Grant Date						Exercise			Grant Date					Exercise		Grant Date
					Price		Fair Value						Price			Fair Value					Price		Fair Value
	Stock Options:
	Unvested at beginning of period		157,298		$	38.57	$	11.98			112,258		$	36.08		$	10.69		123,486		$	34.94	$	8.27
	Granted		522,357			49.09		13.94			88,307			39.66			12.5		57,723			44.15		14.06
	Vested		(57,545	)		35.41		10.65			(43,267	)		34.32			9.66		(56,285	)		40.77		9.13
	Forfeited		(13,081	)		47.5		9.58			—								(12,666	)		40.85		9.44
	Unvested at end of period		609,029		$	47.66	$	13.75			157,298		$	38.57		$	11.98		112,258		$	36.08	$	10.69
	The total amount of unrecognized compensation cost related to nonvested stock options as of December 31, 2013 was $6.0 million. The weighted-average period over which the expense is expected to be recognized is 3.8 years. We issue new shares upon the exercise of options.
	On April 25, 2013 stockholders approved a change in future compensation for Mark A. Turner, President and CEO. As a result, Mr. Turner was granted 250,000 non-statutory stock options (“Non-Plan Stock Options’) with a longer and slower vesting schedule than our standard options, 40% vesting after the second year and 20% vesting in each of the following three years. Additionally, these options were awarded at an exercise price of 20% over the December 2012 market value (date in which framework of the plan was decided on). Upon the grant, Mr. Turner is no longer eligible to receive grants under any of our other stock based award programs for a period of five years. The Black-Scholes option-pricing model was used to determine the grant date fair value of options. Significant assumptions used in the model included a weighted-average risk-free rate of return (zero coupon treasury yield) of 0.76% in 2013; an expected option life of five years; and an expected stock price volatility of 40.5% in 2013. For the purposes of this option-pricing model, a dividend yield of 1.01% was assumed.
	Additionally, as a result of the stockholder approval, 150,000 incentive stock options were issued to certain executive officers of the Company under the 2013 Plan. These options have the same vesting schedule and exercise price as the Non-Plan Stock Options granted to Mr. Turner. The Black-Scholes option-pricing model was used to determine the grant date fair value of options. Significant assumptions used in the model included a weighted-average risk-free rate of return (zero coupon treasury yield) of 0.76% in 2013; an expected option life of five years; and an expected stock price volatility of 40.5% in 2013. For the purposes of this option-pricing model, a dividend yield of 1.01% was assumed.
	During 2013, we granted 122,357 additional options with a five-year life and a four-year vesting period. The Black-Scholes option-pricing model was used to determine the grant date fair value of options. Significant assumptions used in the model included a weighted-average risk-free rate of return (zero coupon treasury yield) of 0.50% in 2013; an expected option life of three years and nine months; and an expected stock price volatility of 30.7% in 2013. For the purposes of this option-pricing model, a dividend yield of 1.01% was assumed.
	During 2012, we granted 88,307 additional options with a five-year life and a four-year vesting period. The Black-Scholes option-pricing model was used to determine the grant date fair value of options. Significant assumptions used in the model included a weighted-average risk-free rate of return (zero coupon treasury yield) between 0.6% and 0.7% in 2012; an expected option life of three years and nine months; and an expected stock price volatility of 44.6% in 2012. For the purposes of this option-pricing model, a dividend yield of 1.2% was assumed.
	The following table summarizes all outstanding Stock Options for option plans as of December 31, 2013, segmented by range of exercise prices:
		Outstanding								Exercisable
		Number			Weighted-		Weighted-			Number			Weighted
					Average		Average						Average
					Exercise		Remaining						Exercise
					Price		Contractual Life						Price
	Stock Options:
	$20.70-$27.60		13,818		$	23.36		0.2			13,818		$	23.36
	$27.61-$34.50		16,552			31.33		1.6			8,879			31.3
	$34.51-$41.40		81,421			39.68		3.2			15,090			39.76
	$41.41-$48.30		155,065			46.76		3.6			20,040			45.02
	$48.31-$55.20		404,360			49.54		6.1			4,360			51.17
	$55.21-$62.10		40,057			58.85		1			40,057			58.85
	$62.11-$69.00		1,305			62.5		2.3			1,305			62.5
	Total		712,578		$	47.42					103,549		$	46.02
	Restricted Stock and Restricted Stock Units
	During 2013, we issued 11,357 restricted stock units (“RSUs”) and restricted stock awards. These awards vest over a four year period. These stock awards were made to certain executive officers. The total amount of compensation cost to be recognized relating to non-vested restricted stock as of December 31, 2013, was $1.2 million. This compares to $992,000 at December 31, 2012 and $1.2 million at December 31, 2011. The weighted-average period over which the cost is expected to be recognized is 1.7 years.
	Compensation costs related to these issuances are recognized over the lives of the restricted stock and RSUs. We amortize the expense related to the restricted stock grants into salaries, benefits and other compensation expense on an accrual basis over the requisite service period for the entire award. When we award restricted stock to individuals from whom we may not receive services in the future, such as those who are eligible for retirement, we recognize the expense of restricted stock grants when we make the award, instead of amortizing the expense over the vesting period of the award.
	Performance Stock Awards
	The Long-Term Performance-Based Restricted Stock Unit program (“Long-Term Program”) provided for awards up to an aggregate of 77,800 shares of our stock to the remaining 14 participants, only after the achievement of targeted levels of return on assets (“ROA”) in any year through 2013. Under the terms of the plan, if an annual ROA performance level of 1.00% was achieved, up to 39,000 shares were to be awarded. If an annual ROA performance level of 1.125% was achieved, up to 53,300 shares were to be awarded. If an annual ROA performance level of 1.25% or greater was achieved, up to 77,800 shares were to be awarded. Additionally, if a performance level was achieved and there were insufficient shares available for grant, we had the option of granting the available shares with the remainder paid in cash. During 2013, the company achieved the 1.00% performance level of return on assets. In accordance with the Long-Term Program, we issued 36,152 RSUs to the plan’s participants. The awarded stock will vest in 25% increments over four years. During 2013 we recognized $88,000 of compensation expense related to this program. Compensation expense related to the Long-Term Program was based on the closing stock price as of May 28, 2008.
	The Board approved a plan in which Marvin N. Schoenhals, Chairman of the Board, was granted 22,250 shares of restricted stock effective January 3, 2011 with a five-year performance vesting schedule starting at the end of the second year. These shares are subject to vesting in whole or in part based on the role that Mr. Schoenhals plays in establishing new business over a two year period of time that achieves over a two year period a result of at least a 50% return on investment of the cost of the restricted stock. We recognized compensation expense of $275,000 related to this award in 2013.
	The impact of stock-based compensation for the year ended December 31, 2013 was $3.2 million pre-tax ($2.5 million after tax) to salaries, benefits and other compensation. This compares to $2.3 million pre-tax ($1.7 million after tax) in 2012, and $1.6 million pre-tax ($1.2 million after tax) in 2011.

Commitments_and_Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]	'
Commitments and Contingencies	'
	16. COMMITMENTS AND CONTINGENCIES
	Data Processing Operations
	We have entered into contracts to manage our network operations, data processing and other related services. The projected amounts of future minimum payments contractually due (in thousands) are as follows:
	Year	Amount
	2014	$	3,437
	2015		1,598
	2016		763
	2017		727
	2018		—
	The expenses for data processing and operations for the year ending December 31, 2013 was $5.9 million, compared to $5.6 million for the year ended December 31, 2012 and $5.3 million for the year ended December 31, 2011.
	Legal Proceedings
	In the ordinary course of business, we are subject to legal actions that involve claims for monetary relief. For additional information regarding legal proceedings, see Note 22 to the Consolidated Financial Statements.
	Financial Instruments With Off-Balance Sheet Risk
	We are a party to financial instruments with off-balance sheet risk in the normal course of business primarily to meet the financing needs of our customers. To varying degrees, these financial instruments involve elements of credit risk that are not recognized in the Consolidated Statement of Condition.
	Exposure to loss for commitments to extend credit and standby letters of credit written is represented by the contractual amount of those instruments. We generally require collateral to support such financial instruments in excess of the contractual amount of those instruments and use the same credit policies in making commitments as we do for on-balance sheet instruments.
	The following represents a summary of off-balance sheet financial instruments at year-end:
	December 31,	2013		2012
	(In Thousands)
	Financial instruments with contract amounts which represent potential credit risk:
	Construction loan commitments	$	64,210	$	44,610
	Commercial mortgage loan commitments		9,852		13,523
	Commercial loan commitments		335,257		317,750
	Commercial owner-occupied commitments		32,078		46,211
	Commercial standby letters of credit		56,651		55,540
	Residential mortgage loan commitments		5,018		22,657
	Consumer loan commitments		150,265		135,060
	At December 31, 2013, we had total commitments to extend credit of $653.3 million. The consumer lines of credit of $150.3 million reflected in the table include $142.4 million secured by real estate. Residential mortgage loan commitments generally have closing dates within a one-month period but can be extended to six months in some cases. Not reflected in the table above are commitments to sell residential mortgages of $24.2 million and $55.2 million at December 31, 2013 and 2012, respectively.
	Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Since many of the commitments are expected to expire without being completely drawn upon, the total commitment amounts do not necessarily represent future cash requirements. Standby letters of credit are conditional commitments issued to guarantee the performance of a customer to a third party. We evaluate each customer’s creditworthiness and obtain collateral based on our credit evaluation of the counterparty.
	Indemnifications
	Secondary Market Loan Sales. Given the current interest rate environment and current customer preference for long-term fixed rate mortgages, coupled with our desire not to hold these assets in our portfolio, we generally sell newly originated fixed rate conventional, 15 to 30 year loans in the secondary market to GSEs such as FHLMC or to wholesale lenders. Loans held-for-sale are carried at the lower cost or market value of the aggregate, or in some cases, individual loans. Gains and losses on sales of loans are recognized at the time of the sale. We sometimes retain the servicing rights on residential mortgage loans sold which results in monthly service fee income. Otherwise, we sell loans with servicing released on a nonrecourse basis. Rate-locked loan commitments we intend to sell in the secondary market are accounted for as derivatives under the guidance promulgated in FASB ASC Topic 815, Derivatives and Hedging.
	We generally do not sell loans with recourse, except for standard loan sale contract provisions covering violations of representations and warranties and, under certain circumstances, first payment default by the borrower. These are customary repurchase provisions in the secondary market for conforming mortgage loan sales. These indemnifications may include our repurchase of the loans. Repurchases and losses have been rare and no provision is made for losses at the time of sale. There were no such repurchases for the years ended December 31, 2013 and 2012.
	Swap Guarantees. We entered into agreements with three unrelated financial institutions whereby those financial institutions entered into interest rate derivative contracts (interest rate swap transactions) with customers referred to them by us. By the terms of the agreements, those financial institutions have recourse to us for any exposure created under each swap transaction in the event the customer defaults on the swap agreement and the agreement is in a paying position to the third-party financial institution. This is a customary arrangement that allows smaller financial institutions like us to provide access to interest rate swap transactions for our customers without creating the swap ourselves. These swap guarantees are accounted for as credit derivatives under FASB ASC Topic 815, Derivatives and Hedging.
	At December 31, 2013, there were 101 variable-rate to fixed-rate swap transactions between the third-party financial institutions and our customers. The initial notional aggregated amount was approximately $423.9 million, with maturities ranging from three months to twelve years. The aggregate fair value of these swaps to the customers was a liability of $17.8 million as of December 31, 2013, of which 89 swaps, with a liability of $18.2 million, were in paying positions to a third party. We had reserves of $70,000 for the swap guarantees.

Fair_Value_Disclosures

Fair Value Disclosures	12 Months Ended
	Dec. 31, 2013
Fair Value Disclosures [Abstract]	'
Fair Value Disclosures	'
	17. FAIR VALUE DISCLOSURES
	Fair Value of Financial Assets
	ASC 820-10 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC 820-10 establishes a fair value hierarchy that prioritizes the use of inputs used in valuation methodologies into the following three levels:
	Level 1: Inputs to the valuation methodology are quoted prices, unadjusted, for identical assets or liabilities in active markets. A quoted price in an active market provides the most reliable evidence of fair value and shall be used to measure fair value whenever available.
	Level 2: Inputs to the valuation methodology include quoted prices for similar assets or liabilities in active markets; inputs to the valuation methodology include quoted prices for identical or similar assets or liabilities in markets that are not active; or inputs to the valuation methodology that are derived principally from or can be corroborated by observable market data by correlation or other means.
	Level 3: Inputs to the valuation methodology are unobservable and significant to the fair value measurement. Level 3 assets and liabilities include financial instruments whose value is determined using discounted cash flow methodologies, as well as instruments for which the determination of fair value requires significant management judgment or estimation.
	A description of the valuation methodologies used for instruments measured at fair value, as well as the general classification of such instruments pursuant to the valuation hierarchy, is set forth below.
	The table below presents the balances of assets measured at fair value as of December 31, 2013 (there are no material liabilities measured at fair value):
	Description	Quoted				Significant				Significant				Total
		Prices in				Other				Unobservable				Fair Value
		Active				Observable				Inputs
		Markets				Inputs				(Level 3)
		for				(Level 2)
		Identical
		Assets
		(Level 1)
	Assets Measured at Fair Value on a Recurring Basis:
	Available-for-sale securities:
	Collateralized mortgage obligations	$	—			$	97,557			$	—			$	97,557
	FNMA		—				367,128				—				367,128
	FHLMC		—				124,495				—				124,495
	GNMA		—				95,592				—				95,592
	U.S. Government and agencies		—				32,158				—				32,158
	State and political subdivisions		—				100,185				—				100,185
	Total assets measured at fair value on a recurring basis	$	—			$	817,115			$	—			$	817,115
	Assets Measured at Fair Value on a Nonrecurring Basis:
	Other real estate owned	$	—			$	—			$	4,532			$	4,532
	Impaired loans (collateral dependent)		—				—				38,379				38,379
	Total assets measured at fair value on a nonrecurring basis	$	—			$	—			$	42,911			$	42,911
	The table below presents the balances of assets measured at fair value as of December 31, 2012 (there were no material liabilities measured at fair value):
		Quoted				Significant				Significant				Total
		Prices in				Other				Unobservable				Fair Value
		Active				Observable				Inputs
		Markets				Inputs				(Level 3)
		for				(Level 2)
		Identical
		Assets
	Description	(Level 1)
	Assets Measured at Fair Value on a Recurring Basis:
	Available-for-sale securities:
	Collateralized mortgage obligations	$	—			$	252,300				—			$	252,300
	FNMA		—				406,255				—				406,255
	FHLMC		—				59,650				—				59,650
	GNMA		—				132,455				—				132,455
	U.S. Government and agencies		—				46,990				—				46,990
	State and political subdivisions		—				3,209				—				3,209
	Reverse mortgage related assets		—				—				19,686				19,686
	Total assets measured at fair value on a recurring basis	$	—			$	900,859			$	19,686			$	920,545
	Assets Measured at Fair Value on a Nonrecurring Basis:
	Other real estate owned	$	—			$	—			$	4,622			$	4,622
	Impaired loans (collateral dependent)		—				—				52,904				52,904
	Total assets measured at fair value on a nonrecurring basis	$	—			$	—			$	57,526			$	57,526
	Fair value is based upon quoted market prices, where available. If such quoted market prices are not available, fair value is based upon internally developed models or obtained from third parties that primarily use, as inputs, observable market-based parameters. Valuation adjustments may be made to ensure that financial instruments are recorded at fair value. These adjustments may include unobservable parameters. Our valuation methodologies may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. While we believe our valuation methodologies are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date.
	Available-for-sale securities. As of December 31, 2013, securities classified as available for sale are reported at fair value using Level 2 inputs. As a result of the consolidation of the reverse mortgage trust, there were no securities with Level 3 inputs as of December 31, 2013. Included in the Level 2 total are approximately $32.2 million in Federal Agency debentures, $684.8 million in Federal Agency MBS and $100.2 million in municipal bonds. Agency and MBS securities are predominately AAA-rated. We believe that this Level 2 designation is appropriate for these securities under ASC 820-10 as, with almost all fixed income securities, none are exchange traded, and all are priced by correlation to observed market data. For these securities we obtain fair value measurements from an independent pricing service. The fair value measurements consider observable data that may include dealer quotes, market spreads, cash flows, U.S. government and agency yield curves, live trading levels, trade execution data, market consensus prepayment speeds, credit information, and the security’s terms and conditions, among other factors.
	Reverse Mortgage Related Assets. The amount included in the reverse mortgage related assets category at December 31, 2012 represents the fair value of the BBB-rated tranche of a reverse mortgage security (reverse mortgage trading asset) and the SASCO 2002-RM1’s Class “O” certificates.
	There has never been an active market for the reverse mortgage trading asset. As such, we classified these trading assets as Level 3 under ASC 820-10. As prescribed by ASC 820-10 management used various observable and unobservable inputs to develop a range of likely fair value prices where this security would be exchanged in an orderly transaction between market participants at the measurement date. The unobservable inputs reflect management’s assumptions about the assumptions that market participants would use in pricing this asset. Included in these inputs were the median of a selection of other BBB-rated securities as well as quoted market prices from higher rated tranches of this asset class. The unobservable inputs consist of prepayments, house price appreciation and interest rates. Our sensitivity analysis completed at December 31, 2013, showed that any increase or decrease in these inputs would not have a significant impact on the fair value of these assets. The value assigned to this security therefore is determined primarily through a discounted cash flow analysis. All assumptions required a significant degree of management judgment.
	The class “O” certificates are Level 3 because there is no active market and no observable inputs that reflect quoted prices for identical assets in active markets (Level 1) or inputs other than quoted prices that are observable for the asset through corroboration with observable market data (Level 2). To establish the fair value for the Level 3 security, a “mark-to-model” has been developed using the income approach described in ASC 820-10-35-32 and is similar to the methodology used to value our trading assets described above.
	As a result of the consolidation of the reverse mortgage trust in 2013, the balances of the reverse mortgages and related securities (including the trading securities) were eliminated in consolidation.
	The changes in Level 3 assets measured at fair value on a recurring basis are summarized as follows:
		Reverse
		Mortgage
		Related
		Assets
Balance at December 31, 2011	$	16,368
Total net income for the year included in net income		33
Contractual monthly advances of principal		—
Mark-to-market adjustment		3,285
Balance at December 31, 2012	$	19,686
Mark-to-market adjustment		(125	)
Reverse mortgage securitization trust consolidation		(19,561	)
Balance at December 31, 2013	$	—
Other Real Estate Owned. Other real estate owned consists of loan collateral which has been repossessed through foreclosure or other measures. Initially, foreclosed assets are recorded as held for sale at the lower of the loan balance or fair value of the collateral less estimated selling costs. Subsequent to foreclosure, valuations are updated periodically and the assets may be marked down further, reflecting a new cost basis. Due to the continuing weakness in the real estate market, we utilize a more significant level of unobservable inputs and, as such, have reclassified the hierarchical levels of both Other Real Estate Owned and Impaired Loans to Level 3 for 2013. The fair value of our real estate owned was estimated using Level 3 inputs based on appraisals obtained from third parties.
Impaired Loans. We evaluate and value impaired loans at the time the loan is identified as impaired, and the fair values of such loans are estimated using Level 3 inputs in the fair value hierarchy. The collateral for each loan has a unique appraisal and our discount of the value is based on the factors unique to each impaired loan. The significant unobservable input in determining the fair value is our subjective discount on appraisals of the collateral securing the loan, which ranges from 10% — 50%. Collateral may consist of real estate and/or business assets including equipment, inventory and accounts receivable. The value of these assets is determined based on appraisals by qualified licensed appraisers hired by us. Appraised and reported values may be discounted based on our historical knowledge, changes in market conditions from the time of valuation, estimated costs to sell, and/or our expertise and knowledge of the customer and the customer’s business.
Impaired loans, which are measured for impairment using the fair value of the collateral for collateral dependent loans, has a gross amount of $38.4 million and $52.9 million at December 31, 2013 and December 31, 2012, respectively. The valuation allowance on impaired loans was $4.9 million as of December 31, 2013 and $5.0 million as of December 31, 2012.
Fair Value of Financial Instruments
The reported fair values of financial instruments are based on a variety of factors. In certain cases, fair values represent quoted market prices for identical or comparable instruments. In other cases, fair values have been estimated based on assumptions regarding the amount and timing of estimated future cash flows discounted to reflect current market rates and varying degrees of risk. Accordingly, the fair values may not represent actual values of the financial instruments that could have been realized as of year-end or that will be realized in the future.
The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value:
Cash and Short-Term Investments.  For cash and short-term investments, including due from banks, federal funds sold, securities purchased under agreements to resell and interest-bearing deposits with other banks, the carrying amount is a reasonable estimate of fair value.
Investments and Mortgage-Backed Securities.  Since quoted market prices are not available, fair value is estimated using quoted prices for similar securities, which we obtain from a third party vendor. We utilize one of the largest providers of securities pricing in the industry and management periodically assesses the inputs used by this vendor to price the various types of securities owned by us to validate the vendor’s methodology. The fair value of our investment in reverse mortgages is based on the net present value of estimated cash flows which have been updated to reflect external appraisals of the underlying collateral. For additional discussion of our mortgage-backed securities trading, see Note 1 to the Consolidated Financial Statements.
Loans held-for-sale.  Loans held-for-sale are carried at the lower of cost or market of the aggregate, or in some cases, individual loans.
Loans.  Fair values are estimated for portfolios of loans with similar financial characteristics. Loans are segregated by type: commercial, commercial mortgages, construction, residential mortgages, and consumer. For loans that reprice frequently, the book value approximates fair value. The fair values of other types of loans are estimated by discounting expected cash flows using the current rates at which similar loans would be made to borrowers with comparable credit ratings and for similar remaining maturities. The fair value of nonperforming loans is based on recent external appraisals of the underlying collateral. Estimated cash flows, discounted using a rate commensurate with current rates and the risk associated with the estimated cash flows, are utilized if appraisals are not available. This technique does not contemplate an exit price.
Reverse Mortgage Related Assets.  Reverse mortgage related assets include reverse mortgage loans, SASCO 2002-RM1’s Class “O” certificates and the BBB-rated tranche of this reverse mortgage security.
For additional information on these reverse mortgage related assets, see Note 6 to our Consolidated Financial Statements and our discussion earlier in this Note.
Bank-Owned Life Insurance.  The estimated fair value approximates the book value for this investment.
Stock in the Federal Home Loan Bank of Pittsburgh:  The fair value of FHLB stock is assumed to be essentially equal to its cost basis, since the stock is non-marketable but redeemable at its par value.
Demand Deposits, Savings Deposits, and Time Deposits.  The fair value of deposits with no stated maturity, such as noninterest-bearing demand deposits, money market and interest-bearing demand deposits, is assumed to be equal to the amount payable on demand. The fair value of time deposits is based on the discounted value of contractual cash flows. The discount rate is estimated using the rates currently offered for deposits with comparable remaining maturities.
Borrowed Funds.  Rates currently available to us for debt with similar terms and remaining maturities are used to estimate fair value of existing debt.
Off-Balance Sheet Instruments.  The fair value of off-balance sheet instruments, including commitments to extend credit and standby letters of credit, approximates the recorded net deferred fee amounts, which are not significant. Because commitments to extend credit and letters of credit are generally not assignable by either us or the borrower, they only have value to us and the borrower.
The book value and estimated fair value of our financial instruments are as follows:
At December 31,	Fair Value		2013								2012
	Measurement		Book Value				Fair Value				Book Value				Fair Value
(In Thousands)
Financial assets:
Cash and cash equivalents	Level 1			484,426				484,426			$	500,887			$	500,887
Investment securities	See previous			817,115				817,115				900,859				900,859
	table
Loans, held-for-sale	Level 3			31,491				31,491				12,758				12,758
Loans, net	Level 3			2,904,976				2,871,499				2,723,916				2,746,001
Reverse mortgage related assets	Level 3			37,328				37,328				19,229				19,229
Stock in Federal Home Loan Bank of Pittsburgh	Level 2			35,869				35,869				31,165				31,165
Accrued interest receivable	Level 2			10,798				10,798				9,652				9,652
Financial liabilities:
Deposits	Level 2			3,186,942				2,982,420				3,274,963				3,174,907
Borrowed funds	Level 2			903,831				904,804				637,266				638,375
Standby letters of credit	Level 3			248				248				224				224
Accrued interest payable	Level 2			838				838				1,099				1,099
The estimated fair value of our off-balance sheet financial instruments is as follows:
December 31,	2013				2012
(In Thousands)
Off-balance sheet instruments:	$	—			$	—

Related_Party_Transactions

Related Party Transactions	12 Months Ended
	Dec. 31, 2013
Related Party Transactions [Abstract]	'
Related Party Transactions	'
	18. RELATED PARTY TRANSACTIONS
	We routinely enter into transactions with our directors and officers. Such transactions are made in the ordinary course of business on substantially the same terms and conditions, including interest rates and collateral, as those prevailing at the same time for comparable transactions with other customers. They do not, in the opinion of management, involve more than the normal credit risk or present other unfavorable features. The aggregate amount of loans to such related parties was $2.0 million and $2.1 million at December 31, 2013 and 2012, respectively. During 2013, new loans and credit line advances to such related parties amounted to $107,000 and repayments amounted to $304,000.

Segment_Information

Segment Information	12 Months Ended
	Dec. 31, 2013
Segment Reporting [Abstract]	'
Segment Information	'
	19. SEGMENT INFORMATION
	Under the definition of FASB ASC 280, Segment Reporting (“ASC 280”) (Formerly SFAS No. 131, Disclosures About Segments of an Enterprise and Related Information) we discuss our business in three segments. There is one segment for each of WSFS Bank, Cash Connect, (the ATM division of WSFS Bank), and Trust and Wealth Management.
	The WSFS Bank segment provides financial products to commercial and retail customers through its 51 offices located in Delaware (41), Pennsylvania (8) and Virginia (1) and Nevada (1). Retail and Commercial Banking, Commercial Real Estate Lending and other banking business units are operating departments of WSFS. These departments share the same regulator, the same market, many of the same customers and provide similar products and services through the general infrastructure of the Bank. Because of these and other reasons, these departments are not considered discrete segments and are appropriately aggregated within the WSFS Bank segment in accordance with ASC 280.
	Cash Connect provides turnkey ATM services through strategic partnerships with several of the largest networks, manufacturers and service providers in the ATM industry. The balance sheet category “Cash in non-owned ATMs” includes cash from which fee income is earned through bailment arrangements with customers of Cash Connect.
	The Wealth Management division provides a broad array of fiduciary, investment management, credit and deposit products to clients through four businesses. WSFS Investment Group, Inc. provides insurance and brokerage products primarily to our retail banking clients. Cypress Capital Management, LLC (“Cypress”) is a registered investment advisor with over $614 million in assets under management. Cypress’ primary market segment is high net worth individuals, offering a ‘balanced’ investment style focused on preservation of capital and current income. Christiana Trust, with $8.9 billion in assets under administration including approximately $497 million in assets under management, provides fiduciary and investment services to personal trust clients, trustee, agency, custodial and commercial domicile services to corporate and institutional clients. WSFS Private Banking serves high net worth clients by delivering credit and deposit products and partnering with Cypress, Christiana Trust and WSFS Investment Group to deliver investment management and fiduciary products and services.
	An operating segment is a component of an enterprise that engages in business activities from which it may earn revenues and incur expenses, whose operating results are regularly reviewed by the enterprise’s chief operating decision makers to make decisions about resources to be allocated to the segment and assess its performance, and for which discrete financial information is available. We evaluate performance based on pretax ordinary income relative to resources used, and allocate resources based on these results. The accounting policies applicable to our segments are those that apply to our preparation of the accompanying Consolidated Financial Statements. Segment information for the years ended December 31, 2013, 2012, and 2011 follows:
	For the Year Ended December 31, 2013:	WSFS Bank		Cash		Trust &			Total
				Connect		Wealth
						Management
	(In Thousands)
	External customer revenues:
	Interest income	$	139,082	$	—	$	7,840		$	146,922
	Noninterest income		40,479		23,746		15,926			80,151
	Total external customer revenues		179,561		23,746		23,766			227,073
	Intersegment revenues:
	Interest income		3,603		—		5,749			9,352
	Noninterest income		6,346		845		109			7,300
	Total intersegment revenues		9,949		845		5,858			16,652
	Total revenue		189,510		24,591		29,624			243,725
	External customer expenses:
	Interest expense		14,744		—		590			15,334
	Noninterest expenses		107,195		12,950		12,784			132,929
	Provision for loan loss		6,759		—		413			7,172
	Total external customer expenses		128,698		12,950		13,787			155,435
	Intersegment expenses:
	Interest expense		5,749		1,541		2,062			9,352
	Noninterest expenses		954		2,237		4,109			7,300
	Total intersegment expenses		6,703		3,778		6,171			16,652
	Total expenses		135,401		16,728		19,958			172,087
	Income before taxes	$	54,109	$	7,863	$	9,666		$	71,638
	Income tax provision									24,756
	Consolidated net income								$	46,882
	Cash and cash equivalents	$	73,017	$	408,096	$	3,313		$	484,426
	Other segment assets		3,838,525		1,965		190,847			4,031,337
	Total segment assets at December 31, 2013	$	3,911,542	$	410,061	$	194,160		$	4,515,763
	Capital expenditures	$	2,232	$	628	$	—		$	2,860
	For the Year Ended December 31, 2012:	WSFS Bank		Cash		Trust &			Total
				Connect		Wealth
						Management
	(In Thousands)
	External customer revenues:
	Interest income	$	141,986	$	—	$	8,301		$	150,287
	Noninterest income		54,225		18,749		13,719			86,693
	Total external customer revenues		196,211		18,749		22,020			236,980
	Intersegment revenues:
	Interest income		4,032		—		5,719			9,751
	Noninterest income		8,563		779		105			9,447
	Total intersegment revenues		12,595		779		5,824			19,198
	Total revenue		208,806		19,528		27,844			256,178
	External customer expenses:
	Interest expense		22,397		—		891			23,288
	Noninterest expenses		112,071		9,549		11,725			133,345
	Provision for loan loss		32,222		—		(169	)		32,053
	Total external customer expenses		166,690		9,549		12,447			188,686
	Intersegment expenses:
	Interest expense		5,719		1,368		2,664			9,751
	Noninterest expenses		884		2,219		6,344			9,447
	Total intersegment expenses		6,603		3,587		9,008			19,198
	Total expenses		173,293		13,136		21,455			207,884
	Income before taxes	$	35,513	$	6,392	$	6,389		$	48,294
	Income tax provision									16,983
	Consolidated net income								$	31,311
	Cash and cash equivalents	$	68,419	$	430,382	$	2,086		$	500,887
Other segment assets		3,683,073		1,605		189,583			3,874,261
Total segment assets at December 31, 2012	$	3,751,492	$	431,987	$	191,669		$	4,375,148
Capital expenditures	$	7,796	$	405	$	27		$	8,228
For the Year Ended December 31, 2011:	WSFS Bank		Cash		Trust &			Total
			Connect		Wealth
					Management
(In Thousands)
External customer revenues:
Interest income	$	149,313	$	—	$	9,329		$	158,642
Noninterest income		34,959		15,618		13,011			63,588
Total external customer revenues		184,272		15,618		22,340			222,230
Intersegment revenues:
Interest income		4,414		—		6,122			10,536
Noninterest income		7,447		724		143			8,314
Total intersegment revenues		11,861		724		6,265			18,850
Total revenue		196,133		16,342		28,605			241,080
External customer expenses:
Interest expense		31,345		—		1,260			32,605
Noninterest expenses		108,061		7,883		11,533			127,477
Provision for loan loss		26,641		—		1,355			27,996
Total external customer expenses		166,047		7,883		14,148			188,078
Intersegment expenses:
Interest expense		6,122		1,235		3,179			10,536
Noninterest expenses		867		1,578		5,869			8,314
Total intersegment expenses		6,989		2,813		9,048			18,850
Total expenses		173,036		10,696		23,196			206,928
Income before taxes and extraordinary items	$	23,097	$	5,646	$	5,409		$	34,152
Income tax provision									11,475
Consolidated net income								$	22,677
Cash and cash equivalents	$	48,107	$	416,949	$	2,961		$	468,017
Other segment assets		3,618,744		2,155		200,092			3,820,991
Total segment assets at December 31, 2011	$	3,666,851	$	419,104	$	203,053		$	4,289,008
Capital expenditures	$	8,877	$	1,291	$	326		$	10,494

Parent_Company_Financial_Infor

Parent Company Financial Information	12 Months Ended
	Dec. 31, 2013
Condensed Financial Information Of Parent Company Only Disclosure [Abstract]	'
Parent Company Financial Information	'
	20. PARENT COMPANY FINANCIAL INFORMATION
	Condensed Statement of Financial Condition
	December 31,	2013			2012
	(In Thousands)
	Assets:
	Cash	$	19,311		$	62,244
	Investment securities, available-for-sale		—			7,096
	Investment in subsidiaries		481,896			471,236
	Investment in Capital Trust III		2,011			2,011
	Other assets		2,920			2,451
	Total assets	$	506,138		$	545,038
	Liabilities:
	Trust Preferred	$	67,011		$	67,011
	Senior Debt		55,000			55,000
	Interest payable		399			407
	Other liabilities		678			1,566
	Total liabilities		123,088			123,984
	Stockholders’ equity:
	Preferred stock		—			1
	Common stock		185			184
	Capital in excess of par value		178,477			222,978
	Accumulated other comprehensive income		(21,294	)		12,943
	Retained earnings		473,962			433,228
	Treasury stock		(248,280	)		(248,280	)
	Total stockholders’ equity		383,050			421,054
	Total liabilities and stockholders’ equity	$	506,138		$	545,038
	Condensed Statement of Operations
	Year Ended December 31,	2013			2012			2011
	(In Thousands)
	Income:
	Interest income	$	2,455		$	1,853		$	1,021
	Noninterest and dividend income		9,983			139			153
	Reverse mortgage consolidation gain		3,801			—			—
			16,239			1,992			1,174
	Expenses:
	Interest expense		5,113			2,776			1,375
	Other operating expenses		(737	)		(186	)		419
			4,376			2,590			1,794
	Income (loss) before equity in undistributed income of subsidiaries		11,863			(598	)		(620	)
	Equity in undistributed income of subsidiaries		35,019			31,909			23,297
	Net income		46,882			31,311			22,677
	Dividends on preferred stock and accretion of discount		(1,633	)		(2,770	)		(2,770	)
	Net income allocable to common stockholders	$	45,249		$	28,541		$	19,907
	Condensed Statement of Cash Flows
	Year Ended December 31,	2013			2012			2011
	(In Thousands)
	Operating activities:
	Net income	$	46,882		$	31,311		$	22,677
	Adjustments to reconcile net income to net cash used for operating activities:
	Equity in undistributed income of subsidiaries		(35,019	)		(31,909	)		(23,297	)
	Reverse mortgage consolidation gain		(3,801	)		—			—
	Increase in capitalized interest		(801	)		(693	)		(280	)
	Decrease (increase) in other assets		3,831			3,531			(98	)
	Increase in other liabilities		245			384			32
	Net cash provided by (used for) operating activities		11,337			2,624			(966	)
	Investing activities:
	Purchase of mortgage backed securities		—			—			(2,500	)
	Net cash used for investing activities		—			—			(2,500	)
	Financing activities:
	Issuance of common stock		4,353			2,503			3,709
	Proceeds from the issuance of long-term debt		—			52,681			—
	Redemption of preferred stock		(52,625	)		—			—
	Payments to repurchase stock warrants		—			(1,800	)		—
Cash dividends paid		(5,998	)		(6,810	)		(6,718	)
Net cash provided by (used for) financing activities		(54,270	)		46,574			(3,009	)
Increase (decrease) in cash		(42,933	)		49,198			(6,475	)
Cash at beginning of period		62,244			13,046			19,521
Cash at end of period	$	19,311		$	62,244		$	13,046

Change_in_Accumulated_Other_Co

Change in Accumulated Other Comprehensive Income	12 Months Ended
	Dec. 31, 2013
Equity [Abstract]	'
Change in Accumulated Other Comprehensive Income	'
	21. CHANGE IN ACCUMULATED OTHER COMPREHENSIVE INCOME
	Accumulated other comprehensive income (loss) includes unrealized gains and losses on available-for-sale investments and unrecognized prior service costs on defined benefit pension plans. Changes to other accumulated other comprehensive income (loss) are presented net of tax effect as a component of equity. Reclassification out of accumulated other comprehensive is recorded on the statement of operations either as a gain or loss.
	Changes to accumulated other comprehensive income (loss) by component are shown net of taxes in the following tables for the period indicated:
	(In Thousands)	Net unrealized			Net unrealized			Total
		gains on			losses on defined
		investment			benefit pension
		securities			plan
		available-for-sale
	Balance, December 31, 2010	$	6,996		$	(472	)	$	6,524
	Other comprehensive income before reclassifications		7,702			—			7,702
	Less: Amounts reclassified from accumulated other comprehensive loss		(3,024	)		—			(3,024	)
	Net current-period other comprehensive loss		4,678			—			4,678
	Balance, December 31, 2011	$	11,674		$	(472	)	$	11,202
	Other comprehensive income before reclassifications		15,024			—			15,024
	Less: Amounts reclassified from accumulated other comprehensive loss		(13,283	)		—			(13,283	)
	Net current-period other comprehensive loss		1,741			—			1,741
	Balance, December 31, 2012	$	13,415		$	(472	)	$	12,943
	Other comprehensive loss before reclassifications		(32,057	)		—			(32,057	)
	Less: Amounts reclassified from accumulated other comprehensive loss		(2,180	)		—			(2,180	)
	Net current-period other comprehensive loss		(34,237	)		—			(34,237	)
	Balance, December 31, 2013	$	(20,822	)	$	(472	)	$	(21,294	)
	The statement of operations impacted by components of other comprehensive income are presented in the table below.
		Twelve Months Ended									Affected line item in
		December 31,									Statements of
											Operations
	(In Thousands)	2013			2012			2011
	Securities available-for-sale:
	Realized gains on securities transactions	$	3,516		$	21,425		$	4,878		Securities gains, net
	Income taxes		(1,336	)		(8,142	)		(1,854	)	Income tax provision
	Net of tax	$	2,180		$	13,283		$	3,024

Legal_and_Other_Proceedings

Legal and Other Proceedings	12 Months Ended
	Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]	'
Legal and Other Proceedings	'
	22. LEGAL AND OTHER PROCEEDINGS
	As previously disclosed in 2011, we were served with a complaint, filed in U.S. Bankruptcy Court for the Eastern District of Pennsylvania, by a bankruptcy trustee relating to a former WSFS Bank customer. The complaint challenges the Bank’s actions relating to the repayment of an outstanding loan and also seeks to avoid and recover the pre-bankruptcy repayment of that loan, approximately $5.0 million. The matter has been captioned Goldstein v. Wilmington Savings Fund Society, FSB (In re: Universal Marketing, Inc.), Chapter 7, Case No. 09-15404 (ELF), Adv. Pro. No. 11-00512. We believe we acted appropriately and we are vigorously defending ourselves against the complaint.
	Based upon available information we believe the estimate of the aggregate range of reasonably possible losses for this legal proceeding was from approximately $250,000 to approximately $5.0 million at December 31, 2013.
	There were no material changes or additions to other significant pending legal or other proceedings involving us other than those arising out of routine operations. Management does not anticipate that the ultimate liability, if any, arising out of such other proceedings will have a material effect on the Consolidated Financial Statements.

Subsequent_Events

Subsequent Events	12 Months Ended
	Dec. 31, 2013
Subsequent Events [Abstract]	'
Subsequent Events	'
	23. SUBSEQUENT EVENTS
	As a result of consolidation of the reverse mortgage trust during the third quarter of 2013, a deferred tax asset (“DTA”) was recorded at that time. However, because the reverse mortgage trust was not able to be consolidated for income tax purposes for 2013 since it was a separate entity real estate investment trust, a full valuation allowance was also recorded at that time on the DTA due to the uncertainty of realizing this benefit since realizability of the DTA is dependent on taxable income of the separate entity. On January 27, 2014, WSFS completed the legal call of the reverse mortgage trust bonds and the redemption of the trust’s preferred shareholders, eliminating this uncertainty since the reverse mortgage trust’s assets have now been combined with the Bank’s for tax purposes. As a result, WSFS has removed the valuation allowance, and recorded a tax benefit of approximately $6.6 million during January 2014. This will positively impact diluted EPS and tangible book value per share by approximately $0.74 in the first quarter 2014 results.

Quarterly_Financial_Summary

Quarterly Financial Summary	12 Months Ended
	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]	'
Quarterly Financial Summary	'
	QUARTERLY FINANCIAL SUMMARY (Unaudited)
	Three months ended	12/31/13		9/30/13		6/30/13		3/31/13		12/31/12		9/30/12		6/30/12		3/31/12
	(In Thousands, Except Per Share Data)
	Interest income	$	38,333	$	37,116	$	35,882	$	35,591	$	36,787	$	36,514	$	37,763	$	39,223
	Interest expense		3,787		3,710		3,826		4,011		5,289		5,621		5,685		6,693
	Net interest income		34,546		33,406		32,056		31,580		31,498		30,893		32,078		32,530
	Provision for loan losses		1,292		1,969		1,680		2,231		3,674		3,751		16,383		8,245
	Net interest income after provision for loan losses		33,254		31,437		30,376		29,349		27,824		27,142		15,695		24,285
	Noninterest income		19,796		22,742		19,539		18,074		21,195		19,748		28,992		16,758
	Noninterest expenses		34,598		32,809		33,152		32,370		37,186		32,153		33,017		30,989
	Income (loss) before taxes		18,452		21,370		16,763		15,053		11,833		14,737		11,670		10,054
	Income tax provision (benefit)		6,378		7,210		5,855		5,313		4,275		4,758		4,340		3,610
	Net Income		12,074		14,160		10,908		9,740		7,558		9,979		7,330		6,444
	Dividends on preferred stock and accretion of discount		—		332		609		692		693		693		692		692
	Net Income (loss) allocable to common stockholders	$	12,074	$	13,828	$	10,299	$	9,048	$	6,865	$	9,286	$	6,638	$	5,752
	Earnings per share:
	Basic	$	1.36	$	1.57	$	1.17	$	1.03	$	0.79	$	1.07	$	0.76	$	0.66
	Diluted		1.33		1.54		1.16		1.02		0.78		1.06		0.76		0.66

Summary_of_Significant_Account1

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Basis of Presentation	'
	Basis of Presentation
	The Consolidated Financial Statements include the accounts of the parent company and its wholly owned subsidiaries, WSFS Bank and Montchanin Capital Management, Inc. (“Montchanin”).
	WSFS Bank has two wholly-owned subsidiaries, including WSFS Investment Group, Inc. (“WIG”) and Monarch Entity Services LLC (“Monarch”). WIG markets various third-party insurance and securities products to Bank customers through the Bank’s retail banking system. Monarch provides commercial domicile services which include employees, directors, subleases and registered agent services in Delaware and Nevada.
	Montchanin was formed to provide asset management products and services. Montchanin has one wholly owned subsidiary, Cypress Capital Management, LLC (“Cypress”). Cypress is a Wilmington-based investment advisory firm servicing high net worth individuals and institutions and has approximately $614 million in assets under management at December 31, 2013.
	WSFS Capital Trust III (“the Trust”) is our unconsolidated subsidiary, and was formed in 2005 to issue $67.0 million aggregate principal amount of Pooled Floating Rate Capital Securities. The proceeds from this issue were used to fund the redemption of $51.5 million of Floating Rate WSFS Capital Trust I Preferred Securities (formerly, WSFS Capital Trust I). WSFS Capital Trust I invested all of the proceeds from the sale of the Pooled Floating Rate Capital Securities in our Junior Subordinated Debentures.
	In addition to the subsidiaries listed above, as of December 31, 2013 we also had one consolidated variable interest entity (“VIE”), SASCO 2002-RM1 (“SASCO”), which is a reverse mortgage securitization trust.
	Whenever necessary, reclassifications have been made to the prior years’ Consolidated Financial Statements to conform to the current year’s presentation. All significant intercompany transactions were eliminated in consolidation.
Cash and Cash Equivalents	'
	Cash and Cash Equivalents
	For purposes of reporting cash flows, cash and cash equivalents include cash, cash in non-owned ATMs, amounts due from banks, federal funds sold and securities purchased under agreements to resell.
Debt and Equity Securities	'
	Debt and Equity Securities
	Investments in equity securities that have a readily determinable fair value and investments in debt securities are classified into three categories and accounted for as follows:
		•		Debt securities with the positive intention to hold to maturity are classified as “held-to-maturity” and reported at amortized cost.
		•		Debt and equity securities purchased with the intention of selling them in the near future are classified as “trading securities” and reported at fair value, with unrealized gains and losses included in earnings.
		•		Debt and equity securities not classified in either of the above are classified as “available-for-sale securities” and reported at fair value, with unrealized gains and losses excluded from earnings and reported, net of tax, as a separate component of stockholders’ equity.
	Debt and equity securities include mortgage-backed securities, municipal bonds, U.S. Government and agency securities and certain equity securities. Premiums and discounts on debt and equity securities, held-to-maturity and available-for-sale, are recognized in interest income using a level yield method over the period to expected maturity. The fair value of debt and equity securities is primarily obtained from third-party pricing services. Implicit in the valuation are estimated prepayments based on historical and current market conditions.
	When we conclude an investment security is other-than-temporarily impaired (“OTTI”), a loss for the difference between the investment security’s carrying value and its fair value may be recognized as a reduction to non-interest income in the consolidated statement of operations. For an investment in a debt security, if we do not intend to sell the investment security and conclude that it is not more likely than not we will be required to sell the security before recovering the carrying value, which may be maturity, the OTTI charge is separated into “credit” and “other” components. The “other” component of the OTTI is included in other comprehensive income/loss, net of the tax effect, and the “credit” component of the OTTI is included as a reduction to non-interest income in the consolidated statement of operations. We are required to use our judgment to determine impairment in certain circumstances. The specific identification method is used to determine realized gains and losses on sales of investment and mortgage-backed securities. All sales are made without recourse.
Loans	'
	Loans
	Loans are stated net of deferred fees and costs. Interest income on loans is recognized using the level yield method. Loan origination fees, commitment fees and direct loan origination costs are deferred and recognized over the life of the related loans using a level yield method over the period to maturity.
	A loan is impaired when, based on current information and events, it is probable we will be unable to collect all amounts due according to the contractual terms of the loan agreement. Impaired loans are measured based on the present value of expected future discounted cash flows, the market price of the loan or the fair value of the underlying collateral if the loan is collateral dependent. In addition, all loans restructured in a troubled debt restructuring are considered to be impaired. Impaired loans include loans within our commercial (investor and owner-occupied), commercial mortgage, commercial construction, residential mortgages and consumer portfolios. Our policy for recognition of interest income on impaired loans is the same as for nonaccrual loans discussed below.
Past Due and Nonaccrual Loans	'
	Past Due and Nonaccrual Loans
	A loan is considered to be past due on the day after a principal or interest payment is due. Nonaccrual loans are those on which the accrual of interest has ceased. Loans are placed on nonaccrual status immediately if, in our opinion, collection is doubtful, or when principal or interest is contractually past due 90 days or more and the loan is not well secured or in the process of collection. Interest accrued but not collected at the date a loan is placed on nonaccrual status is reversed and charged against interest income. In addition, the accretion of net deferred loan fees is suspended when a loan is placed on nonaccrual status. Subsequent cash receipts are applied either to the outstanding principal or recorded as interest income, depending on our assessment of the ultimate collectability of the loan. Loans are returned to an accrual status when we assess that the borrower has the ability to make all principal and interest payments in accordance with the terms of the loan (i.e. including a consistent repayment record, generally six consecutive payments, has been demonstrated).
Allowances for Loan Losses	'
	Allowances for Loan Losses
	We maintain allowances for loan losses and charge losses to these allowances when such losses are realized. The determination of the allowance for loan losses requires significant judgment reflecting our best estimate of impairment related to specifically identified loans as well as probable loan losses in the remaining loan portfolio. Our evaluation is based upon a continuing review of these portfolios.
	We have established the loan loss allowance in accordance with guidance provided by the SEC’s Staff Accounting Bulletin 102 (“SAB 102”). Its methodology for assessing the appropriateness of the allowance consists of several key elements which include: specific allowances for identified impaired loans, allowances for pools of homogeneous loans, adjustments for qualitative and environmental factors and allowances for model estimation and complexity risk. Impairment of troubled debt restructurings are measured at the present value of estimated future cash flows using the loan’s effective rate at inception or the fair value of the underlying collateral if the loan is collateral dependent. Troubled debt restructures consist of concessions granted to borrowers facing financial difficulty.
	For additional detail regarding the provision for loan losses, see Note 5 to the Consolidated Financial Statements.
Loans Held-for-Sale	'
	Loans Held-for-Sale
	Loans held-for-sale are carried at the lower of cost or fair value of such loans in the aggregate or, in some cases, of individual loans.
Assets Acquired Through Foreclosure	'
	Assets Acquired Through Foreclosure
	Assets acquired through foreclosure are recorded at the lower of the recorded investment in the loans or their fair value less estimated disposal costs. Costs subsequently incurred to improve the assets are included in the carrying value provided that the resultant carrying value does not exceed fair value less estimated disposal costs. Costs relating to holding or disposing of the assets are charged to expense in the current period. We write-down the value of the assets when declines in fair value below the carrying value are identified. Loan workout and OREO expenses include costs of holding and operating the assets, net gains or losses on sales of the assets and provisions for losses to reduce such assets to fair value less estimated disposal costs. During 2013, we recorded $592,000 in charges (including write-downs and net losses on sales of assets) related to assets acquired through foreclosure (REO). These charges were $4.3 million and $5.9 million for the years ended December 31, 2012 and 2011, respectively.
Reverse Mortgages	'
	Reverse Mortgages
	We account for our investment in reverse mortgages in accordance with the instructions provided by the staff of the Securities and Exchange Commission (“SEC”) entitled “Accounting for Pools of Uninsured Residential Reverse Mortgage Contracts,” which requires grouping the individual reverse mortgages into “pools” based on similar characteristics and recognizing income based on the estimated effective yield of the pools. In computing the effective yield, we must project the cash inflows and outflows of the pool including actuarial projections of the life expectancy of the individual contract holder and changes in the collateral value of the residence. At each reporting date, a new economic forecast is made of the cash inflows and outflows of each pool of reverse mortgages. The effective yield of each pool is recomputed and income is adjusted to reflect the revised rate of return. Because of this highly specialized accounting, the recorded value of reverse mortgages can result in significant volatility associated with estimations. As a result, income recognition can vary significantly from reporting period to reporting period.
	For additional detail regarding reverse mortgages, see Note 6 to the Consolidated Financial Statements.
Premises and Equipment	'
	Premises and Equipment
	Premises and equipment is stated at cost less accumulated depreciation and amortization. Costs of major replacements, improvements and additions are capitalized. Depreciation expense is computed on a straight-line basis over the estimated useful lives of the assets or, for leasehold improvements, over the effective life of the related lease if less than the estimated useful life. In general, computer equipment, furniture and equipment and building renovations are depreciated over three, five and ten years, respectively.
Goodwill and Other Intangible Assets	'
	Goodwill and Other Intangible Assets
	In accordance with FASB ASC 805, Business Combinations, and FASB ASC 350, Intangibles — Goodwill and Other, all assets and liabilities acquired in purchase acquisitions, including goodwill, indefinite-lived intangibles and other intangibles are recorded at fair value. We consider our accounting policies related to goodwill and other intangible assets to be critical because the assumptions or judgment used in determining the fair value of assets and liabilities acquired in past acquisitions are subjective and complex. As a result, changes in these assumptions or judgment could have a significant impact on our financial condition or results of operations.
	For additional information regarding our goodwill and other intangible assets, see Notes 2 & 8 to the Consolidated Financial Statements.
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase	'
	Federal Funds Purchased and Securities Sold Under Agreements to Repurchase
	We enter into sales of securities under agreements to repurchase. Securities sold under agreements to repurchase are treated as financings, with the obligation to repurchase securities sold reflected as a liability in the Consolidated Statement of Condition. The securities underlying the agreements are assets. Generally, federal funds are purchased for periods ranging up to 90 days.
Loss Contingency for Standby Letters of Credit	'
	Loss Contingency for Standby Letters of Credit
	We maintain a loss contingency reserve for standby letters of credit and charge losses to this contingency when such losses are realized. The determination of the loss contingency reserve for standby letters of credit requires significant judgment reflecting management’s best estimate of probable losses related to standby letters of credit.
Loss Contingency for Unfunded Commitments	'
	Loss Contingency for Unfunded Commitments
	We maintain a loss contingency reserve for unfunded commitments. The determination of the loss contingency reserve for unfunded commitments requires significant judgment reflecting managements best estimate of probable losses related to unfunded commitments.
Income Taxes	'
	Income Taxes
	The provision for income taxes includes federal, state and local income taxes currently payable and those deferred because of temporary differences between the financial statement basis and tax basis of assets and liabilities.
	We account for income taxes in accordance with Financial Accounting Standard Board (“FASB”) Accounting Standards Codification (“ASC”) 740, Income Taxes. ASC 740 prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. Benefits from tax positions are recognized in the financial statements only when it is more-likely-than-not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more-likely-than-not recognition threshold is measured at the largest amount of benefit that is greater than 50% likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more-likely-than-not recognition threshold are recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not recognition threshold are derecognized in the first subsequent financial reporting period in which that threshold is no longer met. ASC 740 also provides guidance on the accounting for and disclosure of unrecognized tax benefits, interest and penalties.
Earnings Per Share	'
	Earnings Per Share
	The following table shows the computation of basic and diluted earnings per share:
			2013		2012		2011
			(In Thousands, Except Per Share Data)
	Numerator:
	Net income allocable to common shareholders		$	45,249	$	28,541	$	19,907
	Denominator:
	Denominator for basic earnings per share — weighted average shares			8,818		8,712		8,606
	Effect of dilutive employee stock options, restricted stock and warrants			125		78		111
	Denominator for diluted earnings per share — adjusted weighted average shares and assumed exercise			8,943		8,790		8,717
	Earnings per share:
	Basic:
	Net income allocable to common shareholders		$	5.13	$	3.28	$	2.31
	Diluted:
	Net income allocable to common shareholders		$	5.06	$	3.25	$	2.28
	Outstanding common stock equivalents having no dilutive effect			441		276		534
Recent Accounting Pronouncements	'
	RECENT ACCOUNTING PRONOUNCEMENTS
	In January 2013, the FASB issued an update (“ASU 2013-01, Balance Sheet (Topic 210): Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities”). The ASU amends Update 2011-11 to clarify that the scope applies to derivatives, repurchase and reverse repurchase agreements, and securities borrowing and lending transactions that are either offset in accordance with Section 210-20-45 or Section 815-10-45 or subject to master netting or similar arrangements. Other types of financial assets and liabilities subject to master netting or similar arrangements are not subject to the disclosure requirements in Update 2011-11. The amendments are effective for fiscal years beginning on or after January 1, 2013, and interim periods within those annual periods. The adoption of this amendment did not have a material effect on our Consolidated Financial Statements.
	In January 2013, the FASB issued an update (“ASU 2013-02, Comprehensive Income (Topic 220): Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income”). The ASU requires an entity to provide information about the amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present, either on the face of the statement where net income is presented or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income but only if the amount reclassified is required under U.S. GAAP to be reclassified to net income in its entirety in the same reporting period. The amendments are effective prospectively for reporting periods beginning after December 15, 2012. The adoption of this guidance did not have a material impact on our Financial Statements
	In July 2013, the FASB issued ASU No. 2013-10, “Inclusion of the Fed Funds Effective Swap Rate (or Overnight Index Swap Rate) as a Benchmark Interest Rate for Hedge Accounting Purposes” These amendments allow the Fed Funds Effective Swap Rate (OIS) to be used as a U.S. benchmark interest rate for hedge accounting purposes, in addition to the current benchmark rates of UST (the rate on direct Treasury obligations of the U.S. government) and LIBOR (the London Interbank Offered Rate on swaps). The amendments were effective on a prospective basis for new or redesignated hedging relationships on July 17, 2013. The adoption of this amendment did not have material effect on our Consolidated Financial Statements.
	In July 2013, the FASB issued ASU No. 2013-11, “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists,” to clarify the balance sheet presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. The ASU requires an unrecognized tax benefit, or a portion of an unrecognized tax benefit, to be presented in the financial statements as a reduction to a deferred tax asset for a net operating loss carryforward, a similar tax loss, or a tax credit carryforward, except as follows. To the extent a net operating loss carryforward, a similar tax loss, or a tax credit carryforward is not available at the reporting date under the tax law of the applicable jurisdiction to settle any additional income taxes that would result from the disallowance of a tax position or the tax law of the applicable jurisdiction does not require the entity to use, and the entity does not intend to use, the deferred tax asset for such purpose, the unrecognized tax benefit should be presented in the financial statements as a liability and should not be combined with deferred tax assets. The ASU is effective for fiscal years, and interim periods within those years, beginning after December 15, 2013. The adoption is not expected to have a material effect on our Consolidated Financial Statements.

Summary_of_Significant_Account2

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]	'
Computation of Basic and Diluted Earnings Per Share	'
	The following table shows the computation of basic and diluted earnings per share:
		2013		2012		2011
		(In Thousands, Except Per Share Data)
	Numerator:
	Net income allocable to common shareholders	$	45,249	$	28,541	$	19,907
	Denominator:
	Denominator for basic earnings per share — weighted average shares		8,818		8,712		8,606
	Effect of dilutive employee stock options, restricted stock and warrants		125		78		111
	Denominator for diluted earnings per share — adjusted weighted average shares and assumed exercise		8,943		8,790		8,717
	Earnings per share:
	Basic:
	Net income allocable to common shareholders	$	5.13	$	3.28	$	2.31
	Diluted:
	Net income allocable to common shareholders	$	5.06	$	3.25	$	2.28
	Outstanding common stock equivalents having no dilutive effect		441		276		534

Business_Combinations_Tables

Business Combinations (Tables)	12 Months Ended
	Dec. 31, 2013
Business Combinations [Abstract]	'
Summary of Combined Fair Value of Assets and Liabilities Acquired	'
	In connection with the acquisition, the following table summarizes the combined fair value of the assets and liabilities acquired:
	(In Thousands)
	Consideration Paid:
	Cash paid at closing		$	5,374
	Fair value of contingent consideration			2,590	(1)
	Value of consideration			7,964
	Assets acquired (at Fair Value):
	Cash			1,185
	Accounts receivable			220
	Fixed assets			148
	Loans Held-For-Sale			10,096
	Intangible assets			2,353
	Total assets			14,002
	Liabilities assumed (at Fair Value):
	Warehouse line of credit			10,067
	Accounts payable			60
	Total Liabilities			10,127
	Net assets acquired			3,875
	Goodwill resulting from acquisition of Array and Arrow		$	4,089	(1)
	-1	The fair value of contingent consideration and the goodwill resulting from the acquisition were each reduced by $160 from the amounts reported on Form 10-Q for the quarter ended September 30, 2013 as a result of adjustments to these estimates.

Investment_Securities_Tables

Investment Securities (Tables)	12 Months Ended
	Dec. 31, 2013
Investments Debt And Equity Securities [Abstract]	'
Schedule of Amortized Cost and Estimated Fair Value of Investment Securities Available-for-Sale and Trading Securities	'
	The following tables detail the amortized cost and the estimated fair value of our investment securities available-for-sale and trading securities:
			Amortized		Gross		Gross			Fair
			Cost		Unrealized		Unrealized			Value
					Gains		Losses
			(In Thousands)
	Available-for-sale securities:
	December 31, 2013
	State and political subdivisions		$	105,354	$	257	$	(5,426	)	$	100,185
	U.S. Government and government sponsored enterprises (“GSE”)			32,082		93		(17	)		32,158
	Collateralized Mortgage Obligation (“CMO”) (1)			103,064		28		(5,535	)		97,557
	Federal National Mortgage Association (“FNMA”) Mortgage-Backed Securities (“MBS”)			382,909		20		(15,801	)		367,128
	Federal Home Loan Mortgage Corporation MBS (“FHLMC”)			129,460		29		(4,994	)		124,495
	Government National Mortgage Association MBS (“GNMA”)			97,830		743		(2,981	)		95,592
			$	850,699	$	1,170	$	(34,754	)	$	817,115
	December 31, 2012
	State and political subdivisions		$	3,120	$	89	$	—		$	3,209
	GSE			46,726		266		(2	)		46,990
	CMO  (1)			248,248		4,353		(301	)		252,300
	FNMA MBS			396,910		9,588		(243	)		406,255
	FHLMC MBS			58,596		1,171		(117	)		59,650
	GNMA MBS			129,288		3,221		(54	)		132,455
			$	882,888	$	18,688	$	(717	)	$	900,859
	-1	Agency CMOs classified as available-for-sale totaled $103.1 million and $248.2 million as of December 31, 2013 and 2012, respectively.
Schedule of Maturities of Investment Securities Available-for-Sale	'
	The scheduled maturities of investment securities available-for-sale at December 31, 2013 and December 31, 2012 were as follows:
			Available-for Sale
			Amortized		Fair
			Cost		Value
			(In Thousands)
	2013 (1)
	Within one year		$	16,319	$	16,378
	After one year but within five years			19,761		19,986
	After five years but within ten years			229,033		217,911
	After ten years			585,586		562,840
			$	850,699	$	817,115
	2012 (1)
	Within one year		$	19,001	$	19,115
	After one year but within five years			28,855		29,034
	After five years but within ten years			321,103		329,580
	After ten years			513,929		523,130
			$	882,888	$	900,859
	-1	Actual maturities could differ from contractual maturities.
Schedule of Investment Securities' Gross Unrealized Losses and Fair Value by Investment Category	'
	For these investment securities with unrealized losses, the table below shows our gross unrealized losses and fair value by investment category and length of time that individual securities were in a continuous unrealized loss position at December 31, 2013.
			Less than 12 months				12 months or longer					Total
			Fair		Unrealized		Fair			Unrealized		Fair		Unrealized
			Value		Loss		Value			Loss		Value		Loss
			(In Thousands)
	Available-for-sale securities:
	State and political subdivisions		$	83,036	$	5,426	$	—		$	—	$	83,036	$	5,426
	GSE			3,972		13		2,001			4		5,973		17
	CMO			73,109		4,173		21,590			1,362		94,699		5,535
	FNMA MBS			346,266		14,386		17,800			1,415		364,066		15,801
	FHLMC MBS			116,732		4,548		7,307			446		124,039		4,994
	GNMA MBS			57,076		1,897		18,829			1,084		75,905		2,981
	Total temporarily impaired investments		$	680,191	$	30,443	$	67,527		$	4,311	$	747,718	$	34,754
	For these investment securities with unrealized losses, the table below shows our gross unrealized losses and fair value by investment category and length of time that individual securities were in a continuous unrealized loss position at December 31, 2012.
			Less than 12 months				12 months or longer					Total
			Fair		Unrealized		Fair			Unrealized		Fair		Unrealized
			Value		Loss		Value			Loss		Value		Loss
			(In Thousands)
	Available-for-sale securities:
	State and political subdivisions		$	—	$	—	$	—		$	—	$	—	$	—
	GSE			2,008		2		—			—		2,008		2
	CMO			40,358		268		1,364			33		41,722		301
	FNMA MBS			43,696		243		—			—		43,696		243
	FHLMC MBS			13,884		117		—			—		13,884		117
	GNMA MBS			10,029		54		—			—		10,029		54
	Total temporarily impaired investments		$	109,975	$	684	$	1,364		$	33	$	111,339	$	717

Loans_Tables

Loans (Tables)	12 Months Ended
	Dec. 31, 2013
Receivables [Abstract]	'
Summary of Loan Portfolio by Category	'
	The following table details our loan portfolio by category:
	December 31,	2013		2012
	(In Thousands)
	Commercial	$	810,882	$	704,491
	Owner occupied commercial		786,360		770,581
	Commercial Mortgages		725,193		631,365
	Construction		106,074		133,375
	Residential		221,520		243,627
	Consumer		302,234		289,001
			2,952,263		2,772,440
	Less:
	Deferred fees, net		6,043		4,602
	Allowance for loan losses		41,244		43,922
	Net loans	$	2,904,976	$	2,723,916

Allowance_for_Loan_Losses_and_1

Allowance for Loan Losses and Credit Quality Information (Tables)	12 Months Ended
	Dec. 31, 2013
Text Block [Abstract]	'
Schedule of Allowance for Loan Losses and Loan Balances	'
	The following tables provide an analysis of the allowance for loan losses and loan balances as of and for the year ended December 31, 2013 and December 31, 2012:
			Commercial			Owner			Commercial			Construction			Residential			Consumer			Complexity			Total
						Occupied			Mortgages												Risk  (1)
						Commercial
			(In Thousands)
	Twelve months ended December 31, 2013
	Allowance for loan losses
	Beginning balance		$	13,663		$	6,108		$	8,079		$	6,456		$	3,124		$	5,631		$	861		$	43,922
	Charge-offs			(2,636	)		(1,225	)		(1,915	)		(1,749	)		(1,226	)		(4,913	)		—			(13,664	)
	Recoveries			1,003			128			685			989			122			887			—			3,814
	Provision (credit) for			721			2,627			83			(2,370	)		1,058			4,889			164			7,172
	loan losses
	Ending balance		$	12,751		$	7,638		$	6,932		$	3,326		$	3,078		$	6,494		$	1,025		$	41,244
	Period-end allowance allocated to:
	Loans individually evaluated for impairment		$	1,781		$	12		$	1,987		$	—		$	989		$	134			—		$	4,903
	Loans collectively evaluated for impairment			10,970			7,626			4,945			3,326			2,089			6,360			1,025			36,341
	Ending balance		$	12,751		$	7,638		$	6,932		$	3,326		$	3,078		$	6,494		$	1,025		$	41,244
	Period-end loan balances evaluated for:
	Loans individually evaluated for impairment		$	5,003		$	5,197		$	8,661		$	1,158		$	17,852		$	5,411			—		$	43,282	(2)
	Loans collectively evaluated for impairment			805,879			781,163			716,532			104,916			203,668			296,823			—			2,908,981
	Ending balance		$	810,882		$	786,360		$	725,193		$	106,074		$	221,520		$	302,234			—		$	2,952,263
	-1	Represents the portion of the allowance for loan losses established to account for the inherent complexity and uncertainty of estimates.
	-2	The difference between this amount and nonaccruing loans at December 31, 2013 and December 31, 2012, represents accruing troubled debt restructured loans of $12.3 million and $10.1 million, respectively.
			Commercial			Owner			Commercial			Construction			Residential			Consumer			Complexity			Total
						Occupied			Mortgages												Risk
						Commercial
			(In Thousands)
	Twelve months ended December 31, 2012
	Allowance for loan losses
	Beginning balance		$	15,067		$	9,235		$	7,556		$	4,074		$	6,544		$	10,604		$	—		$	53,080
	Charge-offs			(12,806	)		(5,076	)		(6,517	)		(10,820	)		(3,857	)		(6,726	)		—			(45,802	)
	Recoveries			1,536			13			405			1,761			176			700			—			4,591
	Provision (credit) for Loan Losses			9,866			1,936			6,635			11,441			261			1,053			861			32,053
	Ending balance		$	13,663		$	6,108		$	8,079		$	6,456		$	3,124		$	5,631		$	861		$	43,922
	Period-end allowance allocated to:
	Loans individually evaluated for impairment		$	2,100		$	1		$	1,887		$	28		$	919		$	16		$	—		$	4,951
	Loans collectively evaluated for impairment			11,563			6,107			6,192			6,428			2,205			5,615			861			38,971
	Ending balance		$	13,663		$	6,108		$	8,079		$	6,456		$	3,124		$	5,631		$	861		$	43,922
	Period-end loan balances evaluated for:
	Loans individually evaluated for impairment		$	4,861		$	14,001		$	12,634		$	1,547		$	18,483		$	6,329		$	—		$	57,855
	Loans collectively evaluated for impairment			699,630			756,580			618,731			131,828			225,144			282,672			—			2,714,585
	Ending balance		$	704,491		$	770,581		$	631,365		$	133,375		$	243,627		$	289,001		$	—		$	2,772,440
			Commercial  (2)			Commercial			Construction			Residential			Consumer			Total
						Mortgages
			(In Thousands)
	Twelve months ended December 31, 2011
	Allowance for credit losses
	Beginning balance		$	26,480		$	10,564		$	10,019		$	4,028		$	9,248		$	60,339
	Charge-offs			(9,419	)		(7,446	)		(11,602	)		(3,165	)		(6,201	)		(37,833	)
	Recoveries			897			334			582			211			554			2,578
	Provision (credit) for Loan Losses			6,344			4,104			5,075			5,470			7,003			27,996
	Ending balance		$	24,302		$	7,556		$	4,074		$	6,544		$	10,604		$	53,080
	Period-end allowance allocated to:
	Loans individually evaluated for impairment		$	2,630		$	295		$	723		$	964		$	101		$	4,713
	Loans collectively evaluated for impairment			21,672			7,261			3,351			5,580			10,503			48,367
	Ending balance		$	24,302		$	7,556		$	4,074		$	6,544		$	10,604		$	53,080
	Period-end loan balances evaluated for:
	Loan individually evaluated for impairment		$	23,193		$	15,814		$	22,124		$	16,227		$	2,621		$	79,979	(1)
	Loans collectively evaluated for impairment			1,437,619			610,925			84,144			257,878			288,358			2,678,924
	Ending balance		$	1,460,812		$	626,739		$	106,268		$	274,105		$	290,979		$	2,758,903
	-1	The difference between this amount and nonaccruing loans at December 31, 2011, represents accruing troubled debt restructured loans of $8.9 million.
	-2	Prior to 2012, Owner Occupied Commercial loans were included in Commercial Loans
Summary of Nonaccrual and Past Due Loans	'
	The following tables show our nonaccrual and past due loans at the dates indicated:
	At Dec. 31, 2013		30–59 Days			60–89 Days			Greater Than			Total Past			Accruing			Nonaccrual			Total
			Past Due and			Past Due and			90 Days			Due			Current			Loans			Loans
			Still Accruing			Still Accruing			Past Due and			And Still			Balances
									Still Accruing			Accruing
	(In Thousands)
	Commercial		$	1,447		$	—		$	—		$	1,447		$	805,132		$	4,303		$	810,882
	Owner occupied commercial			538			—			—			538			780,625			5,197			786,360
	Commercial mortgages			83			1,049			—			1,132			715,496			8,565			725,193
	Construction			—			—						—			104,916			1,158			106,074
	Residential			1,952			1,348			533			3,833			209,255			8,432			221,520
	Consumer			1,095			177			—			1,272			297,669			3,293			302,234
	Total		$	5,115		$	2,574		$	533		$	8,222		$	2,913,093		$	30,948		$	2,952,263
	% of Total Loans			0.17	%		0.09	%		0.02	%		0.28	%		98.67	%		1.05	%		100	%
	At Dec. 31, 2012		30–59 Days			60–89 Days			Greater Than			Total Past			Accruing			Nonaccrual			Total Loans
			Past Due and			Past Due and			90 Days			Due			Current			Loans
			Still Accruing			Still Accruing			Past Due and			And  Still			Balances
									Still Accruing			Accruing
	(In Thousands)
	Commercial		$	1,214		$	—		$	—		$	1,214		$	698,416		$	4,861		$	704,491
	Owner occupied commercial			1,264			—			—			1,264			755,316			14,001			770,581
	Commercial mortgages			—			—			—			—			618,731			12,634			631,365
	Construction			269			70						339			131,489			1,547			133,375
	Residential			5,383			606			786			6,775			226,863			9,989			243,627
	Consumer			971			526			—			1,497			282,776			4,728			289,001
	Total		$	9,101		$	1,202		$	786		$	11,089		$	2,713,591		$	47,760		$	2,772,440
	% of Total Loans			0.33	%		0.04	%		0.03	%		0.4	%		97.88	%		1.72	%		100	%
Analysis of Impaired Loans	'
	The following tables provide an analysis of our impaired loans at December 31, 2013 and December 31, 2012:
	2013		Ending			Loans with			Loan with			Related			Contractual			Average
	(In Thousands)		Loan			No Related			Related			Reserve			Principal			Loan
			Balances			Reserve (1)			Reserve						Balance			Balances
	Commercial		$	5,003		$	2,362		$	2,641		$	1,781		$	13,013		$	5,347
	Owner-Occupied Commercial			5,197			5,184			12			12			8,293			11,542
	Commercial mortgages			8,661			2,784			5,877			1,987			16,566			10,444
	Construction			1,158			1,158			—			—			1,563			968
	Residential			17,852			9,750			8,103			989			20,153			18,047
	Consumer			5,411			4,767			644			134			6,056			5,455
	Total		$	43,282		$	26,005		$	17,277		$	4,903		$	65,644		$	51,803
	2012		Ending			Loans with			Loan with			Related			Contractual			Average
	(In Thousands)		Loan			No Related			Related			Reserve			Principal			Loan
			Balances			Reserve (1)			Reserve						Balance			Balances
	Commercial		$	4,861		$	1,598		$	3,263		$	2,100		$	12,060		$	4,993
	Owner-Occupied Commercial			14,001			13,827			174			1			18,658			16,856
	Commercial mortgages			12,634			5,422			7,212			1,887			22,192			10,233
	Construction			1,547			1,172			375			28			17,711			11,239
	Residential			18,483			11,053			7,430			919			20,771			16,917
	Consumer			6,329			5,635			694			16			7,265			4,514
	Total		$	57,855		$	38,707		$	19,148		$	4,951		$	98,657		$	64,752
	-1	Reflects loan balances at or written down to their recorded investment.
Schedule of Commercial Credit Exposure	'
	The following tables provide an analysis of loans by portfolio segment based on the credit quality indicators used to determine the Allowance at December 31:
	Commercial Credit Exposure
																											Total Commercial
			Commercial						Owner Occupied						Commercial						Construction						2013					2012
									Commercial						Mortgages
	(In Thousands)		2013			2012			2013			2012			2013			2012			2013			2012			Amount		Percent			Amount		Percent
	Risk Rating:
	Special mention		$	12,566		$	14,611		$	4,747		$	27,398		$	2,092		$	29,267		$	226		$	2,453		$	19,631				$	73,729
	Substandard:
	Accrual			56,806			63,074			45,181			44,899			8,146			6,222			3,599			5,755			113,732					119,950
	Nonaccrual			2,362			1,598			5,185			13,827			2,784			5,422			1,158			1,172			11,489					22,019
	Doubtful/ Nonaccrual			2,641			3,263			12			174			5,877			7,212			—			375			8,530					11,024
	Total Special Mention and Substandard			74,375			82,546			55,125			86,298			18,899			48,123			4,983			9,755			153,382		6	%		226,722		10	%
	Pass			736,507			621,945			731,235			684,283			706,294			583,242			101,091			123,620			2,275,127		94			2,013,090		90
	Total		$	810,882		$	704,491		$	786,360		$	770,581		$	725,193		$	631,365		$	106,074		$	133,375		$	2,428,509		100	%	$	2,239,812		100	%
Schedule of Consumer Credit Exposure	'
	Consumer Credit Exposure
															Total Residential and Consumer
			Residential						Consumer						2013						2012
	(In Thousands)		2013			2012			2013			2012			Amount			Percent			Amount			Percent
	Nonperforming (1)		$	17,852		$	18,483		$	5,411		$	6,329		$	23,263			4	%	$	24,812			5	%
	Performing			203,668			225,144			296,823			282,672			500,491			96	%		507,816			95	%
	Total		$	221,520		$	243,627		$	302,234		$	289,001		$	523,754			100	%	$	532,628			100	%
	-1	Includes $11.5 million as of December 31, 2013 and $10.1 million as of December 31, 2012 of troubled debt restructured mortgages and home equity installment loans that are performing in accordance with the loans modified terms and are accruing interest.
Schedule of Loans Identified as Troubled Debt Restructurings During Periods Indicated	'
	The following table presents loans identified as TDRs during the twelve months ended December 31, 2013 and December 31, 2012:
	(In Thousands)		Twelve			Twelve
			Months Ended			Months Ended
			December 31,			December 31,
			2013			2012
	Commercial		$	9,241		$	10,235
	Commercial mortgages			7,056			—
	Construction			—			378
	Residential			1,076			5,217
	Consumer			1,323			2,386
			$	18,696		$	18,216

Reverse_Mortgage_Related_Asset1

Reverse Mortgage Related Assets (Tables)	12 Months Ended
	Dec. 31, 2013
Mortgage Banking [Abstract]	'
Summary of Estimated Cash Payments to Reverse Mortgagors	'
	As of December 31, 2013, the Company’s actuarially estimated cash payments to reverse mortgagors were as follows:
	Year Ending
	2014	$	1,004,565
	2015		820,257
	2016		663,038
	2017		530,411
	2018		419,873
	Years 2019 – 2023		1,038,376
	Years 2024 – 2028		242,803
	Years 2029 – 2033		42,848
	Thereafter		5,181
	Total	$	4,767,352

Premises_and_Equipment_Tables

Premises and Equipment (Tables)	12 Months Ended
	Dec. 31, 2013
Property Plant And Equipment [Abstract]	'
Summary of Premises and Equipment	'
	Land, office buildings, leasehold improvements and furniture and equipment, at cost, are summarized by major classifications:
	December 31,	2013		2012
	(In Thousands)
	Land	$	1,362	$	1,362
	Buildings		4,030		4,020
	Leasehold improvements		35,506		35,011
	Furniture and equipment		38,135		35,912
			79,033		76,305
	Less:
	Accumulated depreciation		43,855		38,048
		$	35,178	$	38,257
Summary of Future Minimum Cash Payments	'
	Future minimum cash payments under these leases at December 31, 2013 are as follows:
	(In Thousands)
	2014	$	7,924
	2015		7,712
	2016		7,483
	2017		7,430
	2018		7,590
	Thereafter		144,635
	Total future minimum lease payments	$	182,774

Goodwill_and_Intangible_Assets1

Goodwill and Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract]	'
Schedule of Allocation of Goodwill to Our Reportable Operating Segments for Purposes of Goodwill Impairment Testing	'
	The following table shows the allocation of goodwill to our reportable operating segments for purposes of goodwill impairment testing.
	(In Thousands)	WSFS		Cash			Trust &		Consolidated
		Bank		Connect			Wealth		Company
							Management
	December 31, 2011	$	23,012	$	—		$	5,134	$	28,146
	Changes in goodwill		—		—			—		—
	December 31, 2012		23,012		—			5,134		28,146
	Goodwill from business combinations		4,089		—			—		4,089
	December 31, 2013	$	27,101	$	—		$	5,134	$	32,235
Summary of Other Intangible Assets	'
		Gross		Accumulated			Net
		Intangible		Amortization			Intangible
		Assets					Assets
		(In Thousands)
	December 31, 2013
	Core deposits	$	4,370	$	(2,605	)	$	1,765
	Other		6,625		(1,647	)		4,978
	Total other intangible assets	$	10,995	$	(4,252	)	$	6,743
	December 31, 2012
	Core deposits	$	4,370	$	(2,020	)	$	2,350
	Other		4,464		(1,640	)		2,824
	Total other intangible assets	$	8,834	$	(3,660	)	$	5,174
Schedule of Estimated Amortization Expense of Intangibles	'
	The following presents the estimated amortization expense of intangibles:
	(In Thousands)	Amortization
		of Intangibles
	2014	$	1,167
	2015		1,135
	2016		878
	2017		731
	2018		711
	Thereafter		2,121
	Total	$	6,743

Deposits_Tables

Deposits (Tables)	12 Months Ended
	Dec. 31, 2013
Banking And Thrift [Abstract]	'
Deposits by Category, Including Summary of Remaining Time to Maturity for Time Deposits	'
	The following is a summary of deposits by category, including a summary of the remaining time to maturity for time deposits:
	December 31,	2013		2012
	(In Thousands)
	Money market and demand:
	Noninterest-bearing demand	$	650,256	$	631,026
	Interest-bearing demand		638,403		538,195
	Money market		887,715		933,901
	Total money market and demand		2,176,374		2,103,122
	Savings		383,731		389,977
	Customer certificates of deposit by maturity:
	Less than one year		134,356		202,604
	One year to two years		89,750		45,955
	Two years to three years		7,951		60,879
	Three years to four years		1,446		5,894
	Over four years		3,462		1,654
	Total customer time certificates		236,965		316,986
	Jumbo certificates of deposit, by maturity:
	Less than one year		162,617		234,716
	One year to two years		51,996		20,581
	Two years to three years		3,092		36,561
	Three years to four years		535		2,031
	Over four years		2,905		348
	Total jumbo certificates of deposit		221,145		294,237
	Total customer deposits		3,018,215		3,104,322
	Brokered deposits less than one year		168,727		170,641
	Total deposits	$	3,186,942	$	3,274,963
Interest Expense by Category, Followed on Deposits	'
	Interest expense by category follows:
	Year Ended December 31,	2013		2012		2011
	(In Thousands)
	Interest-bearing demand	$	529	$	246	$	405
	Money market		1,123		1,759		2,897
	Savings		217		431		1,465
	Time deposits		4,712		9,531		13,548
	Total customer interest expense		6,581		11,967		18,315
	Brokered deposits		599		1,134		816
	Total interest expense on deposits	$	7,180	$	13,101	$	19,131

Borrowed_Funds_Tables

Borrowed Funds (Tables)	12 Months Ended
	Dec. 31, 2013
Debt Disclosure [Abstract]	'
Summary of Borrowed Funds by Type	'
	The following is a summary of borrowed funds by type:
	At or for the twelve months ended:	Balance at		Weighted			Maximum		Average		Weighted
		End of		Average			Outstanding		Amount		Average
		Period		Interest			at Month		Outstanding		Interest
				Rate			End During		During the		Rate
							the Period		Year		During the
											Year
	December 31, 2013		(Dollars in Thousands)
	FHLB advances	$	638,091		0.3	%	$	685,591	$	573,989		0.32	%
	Federal funds purchased and securities sold under agreements to repurchase		97,000		0.98			126,000		108,105		0.91
	Trust preferred borrowings		67,011		2.01			67,011		67,011		1.98
	Senior Debt		55,000		6.25			55,000		55,000		6.86
	Reverse mortgage trust bonds payable		21,990		0.34			26,340		6,757		0.88
	Other borrowed funds		24,739		0.09			41,976		35,026		0.32
	December 31, 2012
	FHLB advances	$	376,310		0.57	%	$	588,052	$	466,243		1.32	%
	Federal funds purchased and securities sold under agreements to repurchase		110,000		0.9			125,000		101,106		0.99
	Trust preferred borrowings		67,011		2.08			67,011		67,011		2.17
	Senior Debt		55,000		6.25			55,000		19,085		6.68
	Other borrowed funds		28,945		0.09			64,599		33,924		0.41
Advances from FHLB of Pittsburgh with Rates	'
	Advances from the FHLB of Pittsburgh with rates ranging from 0.16% to 1.52% at December 31, 2013 are due as follows:
		Amount		Weighted
				Average
				Rate
		(Dollars in Thousands)
	2014	$	615,925		0.29	%
	2015		22,166		0.58
		$	638,091		0.3
Securities Sold under Agreements to Repurchase with Corresponding Carrying and Market Values of Underlying Securities	'
	Securities sold under agreements to repurchase with the corresponding carrying and market values of the underlying securities are due as follows:
		Borrowing		Rate			Collateral
		Amount					Carrying		Fair		Accrued
							Value		Value		Interest
	(Dollars in Thousands)
	2013
	Over 90 days	$	25,000		2.98	%	$	34,952	$	33,596	$	83
	2012
	Over 90 days	$	25,000		2.98	%	$	41,061	$	41,714	$	104

Stockholders_Equity_Tables

Stockholders' Equity (Tables)	12 Months Ended
	Dec. 31, 2013
Equity [Abstract]	'
Schedule of Capital Position	'
	The following table presents the capital position of the Bank as of December 31, 2013 and 2012:
		Consolidated Bank					For Capital Adequacy					To Be Well-Capitalized
		Capital					Purposes					Under Prompt  Corrective
												Action Provisions
	(In Thousands)	Amount		Percent			Amount		Percent			Amount		Percent
	As of December 31, 2013
	Total Capital (to risk-weighted assets)	$	505,354		14.36	%	$	281,450		8	%	$	351,812		10	%
	Core Capital (to adjusted tangible assets)		463,130		10.35			178,996		4			223,745		5
	Tangible Capital (to tangible assets)		463,130		10.35			67,124		1.5			N/A		N/A
	Tier 1 Capital (to risk-weighted assets)		463,130		13.16			140,725		4			211,087		6
	As of December 31, 2012
	Total Capital (to risk-weighted assets)	$	466,924		14.29	%	$	261,440		8	%	$	326,800		10	%
	Core Capital (to adjusted tangible assets)		426,019		9.83			173,273		4			216,592		5
	Tangible Capital (to tangible assets)		426,019		9.83			64,977		1.5			N/A		N/A
	Tier 1 Capital (to risk-weighted assets)		426,019		13.04			130,720		4			196,080		6

Associate_Employee_Benefit_Pla1

Associate (Employee) Benefit Plans (Tables)	12 Months Ended
	Dec. 31, 2013
Compensation And Retirement Disclosure [Abstract]	'
Schedule of Net Periodic Benefit Cost Components of Postretirement Benefits	'
	The following disclosures relating to postretirement benefits were measured at December 31:
		2013			2012			2011
	(Dollars in Thousands)
	Change in benefit obligation:
	Benefit obligation at beginning of year	$	4,478		$	3,923		$	3,088
	Service cost		343			288			207
	Interest cost		176			174			166
	Actuarial (gain) loss		(288	)		271			623
	Benefits paid		(149	)		(178	)		(161	)
	Benefit obligation at end of year	$	4,560		$	4,478		$	3,923
	Change in plan assets:
	Fair value of plan assets at beginning of year	$	—		$	—		$	—
	Employer contributions		149			178			161
	Benefits paid		(149	)		(178	)		(161	)
	Fair value of plan assets at end of year	$	—		$	—		$	—
	Funded status:
	Funded status	$	(4,560	)	$	(4,478	)	$	(3,923	)
	Recognized net loss		1,221			1,587			1,444
	Net amount recognized	$	(3,339	)	$	(2,891	)	$	(2,479	)
	Components of net periodic benefit cost:
	Service cost	$	343		$	288		$	207
	Interest cost		177			174			166
	Amortization of transition obligation		—			61			61
	Net loss recognition		78			67			32
	Net periodic benefit cost	$	598		$	590		$	466
	Assumptions used to determine net periodic benefit cost:
	Discount rate		4	%		4.5	%		5.5	%
	Health care cost trend rate		5	%		5	%		5	%
	Sensitivity analysis of health care cost trends:
	Effect of +1% on service cost plus interest cost	$	—		$	(34	)	$	(17	)
	Effect of –1% on service cost plus interest cost		—			12			13
	Effect of +1% on APBO		—			(146	)		(129	)
	Effect of –1% on APBO		—			142			100
	Assumptions used to value the Accumulated Postretirement Benefit Obligation (APBO):
	Discount rate		5	%		4	%		4.5	%
	Health care cost trend rate		5	%		5	%		5	%
	Ultimate trend rate		5	%		5	%		5	%
	Year of ultimate trend rate		2013			2012			2011
Estimated Future Benefit Payments	'
	The following table shows the expected future payments for the next ten years:
	(In Thousands)
	During 2014	$	125
	During 2015		128
	During 2016		132
	During 2017		146
	During 2018		155
	During 2019 through 2023		1,078
		$	1,764

Taxes_on_Income_Tables

Taxes on Income (Tables)	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Schedule of Components of Income Tax Expense (Benefit)	'
	Our income tax provision consists of the following:
	Year Ended December 31,	2013			2012			2011
	(In Thousands)
	Current income taxes:
	Federal taxes	$	21,242		$	11,136		$	6,648
	State and local taxes		2,759			2,256			1,849
	Deferred income taxes:
	Federal taxes		875			3,591			2,978
	State and local taxes		(120	)		—			—
	Total	$	24,756		$	16,983		$	11,475
Schedule of Deferred Tax Assets and Liabilities	'
	The following is a summary of the significant components of our deferred tax assets and liabilities as of December 31, 2013 and 2012:
		2013			2012
	(In Thousands)
	Deferred tax assets:
	Unrealized losses on available-for-sale securities		12,762			—
	Allowance for loan losses		14,436			15,373
	Reserves and other		8,854			7,511
	Deferred gains		453			480
	Net operating losses		1,196			—
	Reverse mortgages		3,686			—
	Total deferred tax assets before valuation allowance		41,387			23,364
	Less: valuation allowance		(4,882	)		—
	Total Deferred tax assets		36,505			23,364
	Deferred tax liabilities:
	Unrealized gains on available-for-sale securities	$	—		$	(8,053	)
	Accelerated depreciation		(1,506	)		(2,115	)
	Other		(2,132	)		(397	)
	Prepaid expenses		(1,112	)		(1,590	)
	Deferred loan costs		(1,843	)		(1,866	)
	Intangibles		(1,765	)		(1,256	)
	Total deferred tax liabilities before valuation allowance		(8,358	)		(15,277	)
	Net deferred tax asset	$	28,147		$	8,087
Schedule of Effective Income Tax Rate Reconciliation	'
	A reconciliation showing the differences between our effective tax rate and the U.S. Federal statutory tax rate is as follows:
	Year Ended December 31,	2013			2012			2011
	Statutory federal income tax rate		35	%		35	%		35	%
	State tax, net of federal tax benefit		2.4			3			3.4
	Interest income 50% excludable		—			(0.5	)		(2.1	)
	Tax-exempt interest		(1.2	)		(0.5	)		(0.4	)
	Bank-owned life insurance income		(0.1	)		(1.1	)		(2.0	)
	Incentive stock option and other nondeductible compensation		0.3			0.6			0.9
	Settlement of prior year charitable donation		—			—			(1.2	)
	Federal tax credits		(1.7	)		(1.4	)		(0.5	)
	Other		(0.1	)		0.1			0.5
	Effective tax rate		34.6	%		35.2	%		33.6	%
Schedule of Unrecognized Tax Benefits	'
	A reconciliation of the total amounts of unrecognized tax benefits during 2013 and 2012 is as follows:
		2013			2012
	(In Thousands)
	Unrecognized tax benefits at January 1	$	—		$	88
	Tax positions taken during prior years		—			(3	)
	Tax positions taken during current year		—			—
	Reductions relating to settlements with taxing authorities		—			(85	)
	Reductions as a result of a lapse of statutes of limitations		—			—
	Unrecognized tax benefits at December 31	$	—		$	—

StockBased_Compensation_Tables

Stock-Based Compensation (Tables)	12 Months Ended
	Dec. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]	'
Summary of Stock Incentive Plans	'
	A summary of the status of our Stock Incentive Plans as of December 31, 2013, 2012 and 2011, respectively, and changes during those years are presented below:
		2013					2012						2011
		Shares			Weighted-		Shares			Weighted-			Shares			Weighted-
					Average					Average						Average
					Exercise					Exercise						Exercise
					Price					Price						Price
	Stock Options:
	Outstanding at beginning of year		335,730		$	42.14		416,886		$	43.52			566,323		$	42.84
	Granted		522,357			49.09		88,307			39.66			57,723			44.15
	Exercised		(118,438	)		39.39		(71,055	)		30.78			(85,379	)		18.94
	Forfeited		(13,081	)		47.5		—			—			(12,666	)		40.85
	Expired		(13,990	)		49.08		(98,408	)		53.99			(109,115	)		59.85
	Outstanding at end of year		712,578			47.42		335,730			42.14			416,886			43.52
	Exercisable at end of year		103,549		$	46.02		178,432		$	45.28			304,628		$	46.27
	Weighted-average fair value of awards granted	$	13.94				$	12.5					$	14.06
Schedule of Unvested Stock Option Outstanding	'
	The following table provides information about our unvested stock options outstanding at December 31, 2013, 2012 and 2011, respectively:
		2013								2012								2011
		Shares			Weighted-		Weighted-			Shares			Weighted-			Weighted-		Shares			Weighted-		Weighted-
					Average		Average			Shares			Average			Average					Average		Average
					Exercise		Grant Date						Exercise			Grant Date					Exercise		Grant Date
					Price		Fair Value						Price			Fair Value					Price		Fair Value
	Stock Options:
	Unvested at beginning of period		157,298		$	38.57	$	11.98			112,258		$	36.08		$	10.69		123,486		$	34.94	$	8.27
	Granted		522,357			49.09		13.94			88,307			39.66			12.5		57,723			44.15		14.06
	Vested		(57,545	)		35.41		10.65			(43,267	)		34.32			9.66		(56,285	)		40.77		9.13
	Forfeited		(13,081	)		47.5		9.58			—								(12,666	)		40.85		9.44
	Unvested at end of period		609,029		$	47.66	$	13.75			157,298		$	38.57		$	11.98		112,258		$	36.08	$	10.69
Schedule of Outstanding Stock Options for Option Plans	'
	The following table summarizes all outstanding Stock Options for option plans as of December 31, 2013, segmented by range of exercise prices:
		Outstanding								Exercisable
		Number			Weighted-		Weighted-			Number			Weighted
					Average		Average						Average
					Exercise		Remaining						Exercise
					Price		Contractual Life						Price
	Stock Options:
	$20.70-$27.60		13,818		$	23.36		0.2			13,818		$	23.36
	$27.61-$34.50		16,552			31.33		1.6			8,879			31.3
	$34.51-$41.40		81,421			39.68		3.2			15,090			39.76
	$41.41-$48.30		155,065			46.76		3.6			20,040			45.02
	$48.31-$55.20		404,360			49.54		6.1			4,360			51.17
	$55.21-$62.10		40,057			58.85		1			40,057			58.85
	$62.11-$69.00		1,305			62.5		2.3			1,305			62.5
	Total		712,578		$	47.42					103,549		$	46.02

Commitments_and_Contingencies_

Commitments and Contingencies (Tables)	12 Months Ended
	Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]	'
Summary of Projected Amounts of Future Minimum Payments	'
	The projected amounts of future minimum payments contractually due (in thousands) are as follows:
	Year	Amount
	2014	$	3,437
	2015		1,598
	2016		763
	2017		727
	2018		—
Summary of Off-Balance Sheet Financial Instruments	'
	The following represents a summary of off-balance sheet financial instruments at year-end:
	December 31,	2013		2012
	(In Thousands)
	Financial instruments with contract amounts which represent potential credit risk:
	Construction loan commitments	$	64,210	$	44,610
	Commercial mortgage loan commitments		9,852		13,523
	Commercial loan commitments		335,257		317,750
	Commercial owner-occupied commitments		32,078		46,211
	Commercial standby letters of credit		56,651		55,540
	Residential mortgage loan commitments		5,018		22,657
	Consumer loan commitments		150,265		135,060

Fair_Value_Disclosures_Tables

Fair Value Disclosures (Tables)	12 Months Ended
	Dec. 31, 2013
Fair Value Disclosures [Abstract]	'
Balances of Assets Measured at Fair Value	'
	The table below presents the balances of assets measured at fair value as of December 31, 2013 (there are no material liabilities measured at fair value):
	Description	Quoted				Significant				Significant				Total
		Prices in				Other				Unobservable				Fair Value
		Active				Observable				Inputs
		Markets				Inputs				(Level 3)
		for				(Level 2)
		Identical
		Assets
		(Level 1)
	Assets Measured at Fair Value on a Recurring Basis:
	Available-for-sale securities:
	Collateralized mortgage obligations	$	—			$	97,557			$	—			$	97,557
	FNMA		—				367,128				—				367,128
	FHLMC		—				124,495				—				124,495
	GNMA		—				95,592				—				95,592
	U.S. Government and agencies		—				32,158				—				32,158
	State and political subdivisions		—				100,185				—				100,185
	Total assets measured at fair value on a recurring basis	$	—			$	817,115			$	—			$	817,115
	Assets Measured at Fair Value on a Nonrecurring Basis:
	Other real estate owned	$	—			$	—			$	4,532			$	4,532
	Impaired loans (collateral dependent)		—				—				38,379				38,379
	Total assets measured at fair value on a nonrecurring basis	$	—			$	—			$	42,911			$	42,911
	The table below presents the balances of assets measured at fair value as of December 31, 2012 (there were no material liabilities measured at fair value):
		Quoted				Significant				Significant				Total
		Prices in				Other				Unobservable				Fair Value
		Active				Observable				Inputs
		Markets				Inputs				(Level 3)
		for				(Level 2)
		Identical
		Assets
	Description	(Level 1)
	Assets Measured at Fair Value on a Recurring Basis:
	Available-for-sale securities:
	Collateralized mortgage obligations	$	—			$	252,300				—			$	252,300
	FNMA		—				406,255				—				406,255
	FHLMC		—				59,650				—				59,650
	GNMA		—				132,455				—				132,455
	U.S. Government and agencies		—				46,990				—				46,990
	State and political subdivisions		—				3,209				—				3,209
	Reverse mortgage related assets		—				—				19,686				19,686
	Total assets measured at fair value on a recurring basis	$	—			$	900,859			$	19,686			$	920,545
	Assets Measured at Fair Value on a Nonrecurring Basis:
	Other real estate owned	$	—			$	—			$	4,622			$	4,622
	Impaired loans (collateral dependent)		—				—				52,904				52,904
	Total assets measured at fair value on a nonrecurring basis	$	—			$	—			$	57,526			$	57,526
Assets Measured at Fair Value on Recurring Basis	'
	The changes in Level 3 assets measured at fair value on a recurring basis are summarized as follows:
		Reverse
		Mortgage
		Related
		Assets
	Balance at December 31, 2011	$	16,368
	Total net income for the year included in net income		33
	Contractual monthly advances of principal		—
	Mark-to-market adjustment		3,285
	Balance at December 31, 2012	$	19,686
	Mark-to-market adjustment		(125	)
	Reverse mortgage securitization trust consolidation		(19,561	)
	Balance at December 31, 2013	$	—
Book Value and Estimated Fair Value of Financial Instruments	'
	The book value and estimated fair value of our financial instruments are as follows:
	At December 31,	Fair Value		2013								2012
		Measurement		Book Value				Fair Value				Book Value				Fair Value
	(In Thousands)
	Financial assets:
	Cash and cash equivalents	Level 1			484,426				484,426			$	500,887			$	500,887
	Investment securities	See previous			817,115				817,115				900,859				900,859
		table
	Loans, held-for-sale	Level 3			31,491				31,491				12,758				12,758
	Loans, net	Level 3			2,904,976				2,871,499				2,723,916				2,746,001
	Reverse mortgage related assets	Level 3			37,328				37,328				19,229				19,229
	Stock in Federal Home Loan Bank of Pittsburgh	Level 2			35,869				35,869				31,165				31,165
	Accrued interest receivable	Level 2			10,798				10,798				9,652				9,652
	Financial liabilities:
	Deposits	Level 2			3,186,942				2,982,420				3,274,963				3,174,907
	Borrowed funds	Level 2			903,831				904,804				637,266				638,375
	Standby letters of credit	Level 3			248				248				224				224
	Accrued interest payable	Level 2			838				838				1,099				1,099
Estimated Fair Value of Off-Balance Sheet Financial Instruments	'
	The estimated fair value of our off-balance sheet financial instruments is as follows:
	December 31,	2013				2012
	(In Thousands)
	Off-balance sheet instruments:	$	—			$	—

Segment_Information_Tables

Segment Information (Tables)	12 Months Ended
	Dec. 31, 2013
Segment Reporting [Abstract]	'
Details of Segment Information	'
	Segment information for the years ended December 31, 2013, 2012, and 2011 follows:
	For the Year Ended December 31, 2013:	WSFS Bank		Cash		Trust &			Total
				Connect		Wealth
						Management
	(In Thousands)
	External customer revenues:
	Interest income	$	139,082	$	—	$	7,840		$	146,922
	Noninterest income		40,479		23,746		15,926			80,151
	Total external customer revenues		179,561		23,746		23,766			227,073
	Intersegment revenues:
	Interest income		3,603		—		5,749			9,352
	Noninterest income		6,346		845		109			7,300
	Total intersegment revenues		9,949		845		5,858			16,652
	Total revenue		189,510		24,591		29,624			243,725
	External customer expenses:
	Interest expense		14,744		—		590			15,334
	Noninterest expenses		107,195		12,950		12,784			132,929
	Provision for loan loss		6,759		—		413			7,172
	Total external customer expenses		128,698		12,950		13,787			155,435
	Intersegment expenses:
	Interest expense		5,749		1,541		2,062			9,352
	Noninterest expenses		954		2,237		4,109			7,300
	Total intersegment expenses		6,703		3,778		6,171			16,652
	Total expenses		135,401		16,728		19,958			172,087
	Income before taxes	$	54,109	$	7,863	$	9,666		$	71,638
	Income tax provision									24,756
	Consolidated net income								$	46,882
	Cash and cash equivalents	$	73,017	$	408,096	$	3,313		$	484,426
	Other segment assets		3,838,525		1,965		190,847			4,031,337
	Total segment assets at December 31, 2013	$	3,911,542	$	410,061	$	194,160		$	4,515,763
	Capital expenditures	$	2,232	$	628	$	—		$	2,860
	For the Year Ended December 31, 2012:	WSFS Bank		Cash		Trust &			Total
				Connect		Wealth
						Management
	(In Thousands)
	External customer revenues:
	Interest income	$	141,986	$	—	$	8,301		$	150,287
	Noninterest income		54,225		18,749		13,719			86,693
	Total external customer revenues		196,211		18,749		22,020			236,980
	Intersegment revenues:
	Interest income		4,032		—		5,719			9,751
	Noninterest income		8,563		779		105			9,447
	Total intersegment revenues		12,595		779		5,824			19,198
	Total revenue		208,806		19,528		27,844			256,178
	External customer expenses:
	Interest expense		22,397		—		891			23,288
	Noninterest expenses		112,071		9,549		11,725			133,345
	Provision for loan loss		32,222		—		(169	)		32,053
	Total external customer expenses		166,690		9,549		12,447			188,686
	Intersegment expenses:
	Interest expense		5,719		1,368		2,664			9,751
	Noninterest expenses		884		2,219		6,344			9,447
	Total intersegment expenses		6,603		3,587		9,008			19,198
	Total expenses		173,293		13,136		21,455			207,884
	Income before taxes	$	35,513	$	6,392	$	6,389		$	48,294
	Income tax provision									16,983
	Consolidated net income								$	31,311
	Cash and cash equivalents	$	68,419	$	430,382	$	2,086		$	500,887
	Other segment assets		3,683,073		1,605		189,583			3,874,261
	Total segment assets at December 31, 2012	$	3,751,492	$	431,987	$	191,669		$	4,375,148
	Capital expenditures	$	7,796	$	405	$	27		$	8,228
	For the Year Ended December 31, 2011:	WSFS Bank		Cash		Trust &			Total
				Connect		Wealth
				Management
(In Thousands)
External customer revenues:
Interest income	$	149,313	$	—	$	9,329		$	158,642
Noninterest income		34,959		15,618		13,011			63,588
Total external customer revenues		184,272		15,618		22,340			222,230
Intersegment revenues:
Interest income		4,414		—		6,122			10,536
Noninterest income		7,447		724		143			8,314
Total intersegment revenues		11,861		724		6,265			18,850
Total revenue		196,133		16,342		28,605			241,080
External customer expenses:
Interest expense		31,345		—		1,260			32,605
Noninterest expenses		108,061		7,883		11,533			127,477
Provision for loan loss		26,641		—		1,355			27,996
Total external customer expenses		166,047		7,883		14,148			188,078
Intersegment expenses:
Interest expense		6,122		1,235		3,179			10,536
Noninterest expenses		867		1,578		5,869			8,314
Total intersegment expenses		6,989		2,813		9,048			18,850
Total expenses		173,036		10,696		23,196			206,928
Income before taxes and extraordinary items	$	23,097	$	5,646	$	5,409		$	34,152
Income tax provision									11,475
Consolidated net income								$	22,677
Cash and cash equivalents	$	48,107	$	416,949	$	2,961		$	468,017
Other segment assets		3,618,744		2,155		200,092			3,820,991
Total segment assets at December 31, 2011	$	3,666,851	$	419,104	$	203,053		$	4,289,008
Capital expenditures	$	8,877	$	1,291	$	326		$	10,494

Parent_Company_Financial_Infor1

Parent Company Financial Information (Tables)	12 Months Ended
	Dec. 31, 2013
Condensed Financial Information Of Parent Company Only Disclosure [Abstract]	'
Condensed Statement of Financial Condition	'
	Condensed Statement of Financial Condition
	December 31,	2013			2012
	(In Thousands)
	Assets:
	Cash	$	19,311		$	62,244
	Investment securities, available-for-sale		—			7,096
	Investment in subsidiaries		481,896			471,236
	Investment in Capital Trust III		2,011			2,011
	Other assets		2,920			2,451
	Total assets	$	506,138		$	545,038
	Liabilities:
	Trust Preferred	$	67,011		$	67,011
	Senior Debt		55,000			55,000
	Interest payable		399			407
	Other liabilities		678			1,566
	Total liabilities		123,088			123,984
	Stockholders’ equity:
	Preferred stock		—			1
	Common stock		185			184
	Capital in excess of par value		178,477			222,978
	Accumulated other comprehensive income		(21,294	)		12,943
	Retained earnings		473,962			433,228
	Treasury stock		(248,280	)		(248,280	)
	Total stockholders’ equity		383,050			421,054
	Total liabilities and stockholders’ equity	$	506,138		$	545,038
Condensed Statement of Operations	'
	Condensed Statement of Operations
	Year Ended December 31,	2013			2012			2011
	(In Thousands)
	Income:
	Interest income	$	2,455		$	1,853		$	1,021
	Noninterest and dividend income		9,983			139			153
	Reverse mortgage consolidation gain		3,801			—			—
			16,239			1,992			1,174
	Expenses:
	Interest expense		5,113			2,776			1,375
	Other operating expenses		(737	)		(186	)		419
			4,376			2,590			1,794
	Income (loss) before equity in undistributed income of subsidiaries		11,863			(598	)		(620	)
	Equity in undistributed income of subsidiaries		35,019			31,909			23,297
	Net income		46,882			31,311			22,677
	Dividends on preferred stock and accretion of discount		(1,633	)		(2,770	)		(2,770	)
	Net income allocable to common stockholders	$	45,249		$	28,541		$	19,907
Condensed Statement of Cash Flows	'
	Condensed Statement of Cash Flows
	Year Ended December 31,	2013			2012			2011
	(In Thousands)
	Operating activities:
	Net income	$	46,882		$	31,311		$	22,677
	Adjustments to reconcile net income to net cash used for operating activities:
	Equity in undistributed income of subsidiaries		(35,019	)		(31,909	)		(23,297	)
	Reverse mortgage consolidation gain		(3,801	)		—			—
	Increase in capitalized interest		(801	)		(693	)		(280	)
	Decrease (increase) in other assets		3,831			3,531			(98	)
	Increase in other liabilities		245			384			32
	Net cash provided by (used for) operating activities		11,337			2,624			(966	)
	Investing activities:
	Purchase of mortgage backed securities		—			—			(2,500	)
	Net cash used for investing activities		—			—			(2,500	)
	Financing activities:
	Issuance of common stock		4,353			2,503			3,709
	Proceeds from the issuance of long-term debt		—			52,681			—
	Redemption of preferred stock		(52,625	)		—			—
	Payments to repurchase stock warrants		—			(1,800	)		—
	Cash dividends paid		(5,998	)		(6,810	)		(6,718	)
	Net cash provided by (used for) financing activities		(54,270	)		46,574			(3,009	)
	Increase (decrease) in cash		(42,933	)		49,198			(6,475	)
	Cash at beginning of period		62,244			13,046			19,521
	Cash at end of period	$	19,311		$	62,244		$	13,046

Change_in_Accumulated_Other_Co1

Change in Accumulated Other Comprehensive Income (Tables)	12 Months Ended
	Dec. 31, 2013
Equity [Abstract]	'
Components of Accumulated Other Comprehensive Income (Loss)	'
	Changes to accumulated other comprehensive income (loss) by component are shown net of taxes in the following tables for the period indicated:
	(In Thousands)	Net unrealized			Net unrealized			Total
		gains on			losses on defined
		investment			benefit pension
		securities			plan
		available-for-sale
	Balance, December 31, 2010	$	6,996		$	(472	)	$	6,524
	Other comprehensive income before reclassifications		7,702			—			7,702
	Less: Amounts reclassified from accumulated other comprehensive loss		(3,024	)		—			(3,024	)
	Net current-period other comprehensive loss		4,678			—			4,678
	Balance, December 31, 2011	$	11,674		$	(472	)	$	11,202
	Other comprehensive income before reclassifications		15,024			—			15,024
	Less: Amounts reclassified from accumulated other comprehensive loss		(13,283	)		—			(13,283	)
	Net current-period other comprehensive loss		1,741			—			1,741
	Balance, December 31, 2012	$	13,415		$	(472	)	$	12,943
	Other comprehensive loss before reclassifications		(32,057	)		—			(32,057	)
	Less: Amounts reclassified from accumulated other comprehensive loss		(2,180	)		—			(2,180	)
	Net current-period other comprehensive loss		(34,237	)		—			(34,237	)
	Balance, December 31, 2013	$	(20,822	)	$	(472	)	$	(21,294	)
Components of Other Comprehensive Income	'
	The statement of operations impacted by components of other comprehensive income are presented in the table below.
		Twelve Months Ended									Affected line item in
		December 31,									Statements of
											Operations
	(In Thousands)	2013			2012			2011
	Securities available-for-sale:
	Realized gains on securities transactions	$	3,516		$	21,425		$	4,878		Securities gains, net
	Income taxes		(1,336	)		(8,142	)		(1,854	)	Income tax provision
	Net of tax	$	2,180		$	13,283		$	3,024

Quarterly_Financial_Summary_Ta

Quarterly Financial Summary (Tables)	12 Months Ended
	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]	'
Quarterly Financial Summary	'
	QUARTERLY FINANCIAL SUMMARY (Unaudited)
	Three months ended	12/31/13		9/30/13		6/30/13		3/31/13		12/31/12		9/30/12		6/30/12		3/31/12
	(In Thousands, Except Per Share Data)
	Interest income	$	38,333	$	37,116	$	35,882	$	35,591	$	36,787	$	36,514	$	37,763	$	39,223
	Interest expense		3,787		3,710		3,826		4,011		5,289		5,621		5,685		6,693
	Net interest income		34,546		33,406		32,056		31,580		31,498		30,893		32,078		32,530
	Provision for loan losses		1,292		1,969		1,680		2,231		3,674		3,751		16,383		8,245
	Net interest income after provision for loan losses		33,254		31,437		30,376		29,349		27,824		27,142		15,695		24,285
	Noninterest income		19,796		22,742		19,539		18,074		21,195		19,748		28,992		16,758
	Noninterest expenses		34,598		32,809		33,152		32,370		37,186		32,153		33,017		30,989
	Income (loss) before taxes		18,452		21,370		16,763		15,053		11,833		14,737		11,670		10,054
	Income tax provision (benefit)		6,378		7,210		5,855		5,313		4,275		4,758		4,340		3,610
	Net Income		12,074		14,160		10,908		9,740		7,558		9,979		7,330		6,444
	Dividends on preferred stock and accretion of discount		—		332		609		692		693		693		692		692
	Net Income (loss) allocable to common stockholders	$	12,074	$	13,828	$	10,299	$	9,048	$	6,865	$	9,286	$	6,638	$	5,752
	Earnings per share:
	Basic	$	1.36	$	1.57	$	1.17	$	1.03	$	0.79	$	1.07	$	0.76	$	0.66
	Diluted		1.33		1.54		1.16		1.02		0.78		1.06		0.76		0.66

Summary_of_Significant_Account3

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
	Payments
	Entity
	Office
	Securities
Accounting Policies [Line Items]	'	'	'
Number of banking offices	52	'	'
Number of consolidated variable interest entity	1	'	'
Number of securities are classified	3	'	'
Minimum number of days principal or interest to be considered past due	'90 days	'	'
Number of consecutive payments for borrower status to be normal, as per consistent repayment record	6	'	'
Additional charges related to assets acquired through foreclosure	$592,000	$4,300,000	$5,900,000
Maturity of federal funds purchased	'90 days	'	'
Settlement of realized tax position	50.00%	'	'
Computer Equipment [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Estimated useful life	'3 years	'	'
Furniture and Equipment [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Estimated useful life	'5 years	'	'
Building Renovations [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Estimated useful life	'10 years	'	'
WSFS Bank [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Number of wholly-owned subsidiaries	2	'	'
Montchanin [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Number of wholly-owned subsidiaries	1	'	'
Cypress [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Assets under management	614,000,000	'	'
WSFS Capital Trust III [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Amount of aggregate principal issued	67,000,000	'	'
Trust preferred securities redeemed	$51,500,000	'	'
Delaware [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Number of banking offices	42	'	'
Pennsylvania [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Number of banking offices	8	'	'
Virginia [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Number of banking offices	1	'	'
Nevada [Member]	'	'	'
Accounting Policies [Line Items]	'	'	'
Number of banking offices	1	'	'

Summary_of_Significant_Account4

Summary of Significant Accounting Policies - Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Numerator:	'	'	'	'	'	'	'	'	'	'	'
Net income allocable to common shareholders	$12,074	$13,828	$10,299	$9,048	$6,865	$9,286	$6,638	$5,752	$45,249	$28,541	$19,907
Denominator:	'	'	'	'	'	'	'	'	'	'	'
Denominator for basic earnings per share - weighted average shares	'	'	'	'	'	'	'	'	8,818	8,712	8,606
Effect of dilutive employee stock options, restricted stock and warrants	'	'	'	'	'	'	'	'	125	78	111
Denominator for diluted earnings per share - adjusted weighted average shares and assumed exercise	'	'	'	'	'	'	'	'	8,943	8,790	8,717
Basic:	'	'	'	'	'	'	'	'	'	'	'
Net income allocable to common shareholders	$1.36	$1.57	$1.17	$1.03	$0.79	$1.07	$0.76	$0.66	$5.13	$3.28	$2.31
Diluted:	'	'	'	'	'	'	'	'	'	'	'
Net income allocable to common shareholders	$1.33	$1.54	$1.16	$1.02	$0.78	$1.06	$0.76	$0.66	$5.06	$3.25	$2.28
Outstanding common stock equivalents having no dilutive effect	'	'	'	'	'	'	'	'	441	276	534

Business_Combinations_Addition

Business Combinations - Additional Information (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Nov. 25, 2013	Sep. 30, 2013	Dec. 31, 2013
				First Wyoming Financial Corporation [Member]	First Wyoming Financial Corporation [Member]	Array Financial Group, Inc. [Member]
					Office
Business Acquisition [Line Items]	'	'	'	'	'	'
Transaction value, cash and stock	'	'	'	$64,000,000	'	'
Number of banking offices	'	'	'	'	6	'
Total assets	4,515,763,000	4,375,148,000	4,289,008,000	'	307,700,000	'
Total deposits	3,186,942,000	3,274,963,000	'	'	249,700,000	'
Total purchase price	'	'	'	'	'	8,000,000
Payments for working capital	'	'	'	'	'	1,400,000
Earn out amount of purchase price	'	'	'	'	'	4,000,000
Earn out period	'	'	'	'	'	'5 years
Fair value of consideration paid	'	'	'	'	'	2,600,000
Intangible assets recognized	'	'	'	'	'	$2,353,000
Amortization period for intangible assets	'	'	'	'	'	'7 years

Business_Combinations_Summary_

Business Combinations - Summary of Combined Fair Value of Assets and Liabilities Acquired (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
In Thousands, unless otherwise specified
Liabilities assumed (at Fair Value):	'	'	'
Goodwill resulting from acquisition of Array and Arrow	$32,235	$28,146	$28,146
Array Financial Group, Inc. [Member]	'	'	'
Consideration Paid:	'	'	'
Cash paid at closing	5,374	'	'
Fair value of contingent consideration	2,590	'	'
Value of consideration	7,964	'	'
Assets acquired (at Fair Value):	'	'	'
Cash	1,185	'	'
Accounts receivable	220	'	'
Fixed assets	148	'	'
Loans Held-For-Sale	10,096	'	'
Intangible assets	2,353	'	'
Total assets	14,002	'	'
Liabilities assumed (at Fair Value):	'	'	'
Warehouse line of credit	10,067	'	'
Accounts payable	60	'	'
Total Liabilities	10,127	'	'
Net assets acquired	3,875	'	'
Goodwill resulting from acquisition of Array and Arrow	$4,089	'	'

Business_Combinations_Summary_1

Business Combinations - Summary of Combined Fair Value of Assets and Liabilities Acquired (Parenthetical) (Detail) (Array Financial Group, Inc. [Member], USD $)	3 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2013
Array Financial Group, Inc. [Member]	'
Business Acquisition [Line Items]	'
Adjustment to fair value of contingent consideration	$160

Investment_Securities_Schedule

Investment Securities - Schedule of Amortized Cost and Estimated Fair Value of Investment Securities Available-for-Sale and Trading Securities (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	$850,699	$882,888
Gross Unrealized Gains	1,170	18,688
Gross Unrealized Losses	-34,754	-717
Fair Value	817,115	900,859
Collateralized Mortgage Obligation ("CMO") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	103,064	248,248
Gross Unrealized Gains	28	4,353
Gross Unrealized Losses	-5,535	-301
Fair Value	97,557	252,300
Federal National Mortgage Association ("FNMA") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	382,909	396,910
Gross Unrealized Gains	20	9,588
Gross Unrealized Losses	-15,801	-243
Fair Value	367,128	406,255
Federal Home Loan Mortgage Corporation ("FHLMC") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	129,460	58,596
Gross Unrealized Gains	29	1,171
Gross Unrealized Losses	-4,994	-117
Fair Value	124,495	59,650
Government National Mortgage Association ("GNMA") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	97,830	129,288
Gross Unrealized Gains	743	3,221
Gross Unrealized Losses	-2,981	-54
Fair Value	95,592	132,455
State and Political Subdivisions [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	105,354	3,120
Gross Unrealized Gains	257	89
Gross Unrealized Losses	-5,426	'
Fair Value	100,185	3,209
U.S. Government and government sponsored enterprises ("GSE") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	32,082	46,726
Gross Unrealized Gains	93	266
Gross Unrealized Losses	-17	-2
Fair Value	$32,158	$46,990

Investment_Securities_Schedule1

Investment Securities - Schedule of Amortized Cost and Estimated Fair Value of Investment Securities Available-for-Sale and Trading Securities (Parenthetical) (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	$850,699	$882,888
Collateralized Mortgage Obligation ("CMO") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	103,064	248,248
Agency Collateralized Mortgage Obligation [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Amortized Cost	$103,064	'

Investment_Securities_Schedule2

Investment Securities - Schedule of Maturities of Investment Securities Available-for-Sale (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Available-for-sale Securities [Line Items]	'	'
Available-for-Sale, Amortized Cost	$850,699	$882,888
Available-for-Sale, Fair Value	817,115	900,859
Within one year [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Available-for-Sale, Amortized Cost	16,319	19,001
Available-for-Sale, Fair Value	16,378	19,115
After one year but within five years [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Available-for-Sale, Amortized Cost	19,761	28,855
Available-for-Sale, Fair Value	19,986	29,034
After five years but within ten years [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Available-for-Sale, Amortized Cost	229,033	321,103
Available-for-Sale, Fair Value	217,911	329,580
After ten years [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Available-for-Sale, Amortized Cost	585,586	513,929
Available-for-Sale, Fair Value	$562,840	$523,130

Investment_Securities_Addition

Investment Securities - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]	'	'
Securities pledged as collateral	$447,700,000	'
FHLB pledged investment securities	0	0
Proceeds from sale of investment securities	274,100,000	770,000,000
Net gains from sale of investment securities	3,500,000	21,300,000
Gains from sale of investment securities	3,700,000	'
Losses from sale of investment securities	230,000	'
Unamortized premiums	25,300,000	'
Unaccreted discounts	63,000	'
Owned investment securities	747,718,000	111,339,000
Total unrealized losses on securities	34,754,000	717,000
Mortgage-Backed Securities ("MBS") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
OTTI on evaluation of Mortgage backed securities	$0	'
Weighted average duration of MBS portfolio	5.3	'

Investment_Securities_Schedule3

Investment Securities - Schedule of Investment Securities' Gross Unrealized Losses and Fair Value by Investment Category (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 months, Fair Value	$680,191	$109,975
Less than 12 months, Unrealized Loss	30,443	684
12 months or longer, Fair Value	67,527	1,364
12 months or longer, Unrealized Loss	4,311	33
Total, Fair Value	747,718	111,339
Total, Unrealized Loss	34,754	717
Collateralized Mortgage Obligation ("CMO") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 months, Fair Value	73,109	40,358
Less than 12 months, Unrealized Loss	4,173	268
12 months or longer, Fair Value	21,590	1,364
12 months or longer, Unrealized Loss	1,362	33
Total, Fair Value	94,699	41,722
Total, Unrealized Loss	5,535	301
Federal National Mortgage Association ("FNMA") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 months, Fair Value	346,266	43,696
Less than 12 months, Unrealized Loss	14,386	243
12 months or longer, Fair Value	17,800	'
12 months or longer, Unrealized Loss	1,415	'
Total, Fair Value	364,066	43,696
Total, Unrealized Loss	15,801	243
Federal Home Loan Mortgage Corporation ("FHLMC") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 months, Fair Value	116,732	13,884
Less than 12 months, Unrealized Loss	4,548	117
12 months or longer, Fair Value	7,307	'
12 months or longer, Unrealized Loss	446	'
Total, Fair Value	124,039	13,884
Total, Unrealized Loss	4,994	117
Government National Mortgage Association ("GNMA") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 months, Fair Value	57,076	10,029
Less than 12 months, Unrealized Loss	1,897	54
12 months or longer, Fair Value	18,829	'
12 months or longer, Unrealized Loss	1,084	'
Total, Fair Value	75,905	10,029
Total, Unrealized Loss	2,981	54
State and Political Subdivisions [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 months, Fair Value	83,036	'
Less than 12 months, Unrealized Loss	5,426	'
12 months or longer, Fair Value	'	'
12 months or longer, Unrealized Loss	'	'
Total, Fair Value	83,036	'
Total, Unrealized Loss	5,426	'
U.S. Government and government sponsored enterprises ("GSE") [Member]	'	'
Schedule of Available-for-sale Securities [Line Items]	'	'
Less than 12 months, Fair Value	3,972	2,008
Less than 12 months, Unrealized Loss	13	2
12 months or longer, Fair Value	2,001	'
12 months or longer, Unrealized Loss	4	'
Total, Fair Value	5,973	2,008
Total, Unrealized Loss	$17	$2

Loans_Summary_of_Loan_Portfoli

Loans - Summary of Loan Portfolio by Category (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
In Thousands, unless otherwise specified
Loans [Line Items]	'	'	'	'
Gross loans	$2,952,263	$2,772,440	'	'
Deferred fees, net	6,043	4,602	'	'
Allowance for loan losses	41,244	43,922	53,080	60,339
Net loans	2,904,976	2,723,916	'	'
Commercial Loan Commitments [Member]	'	'	'	'
Loans [Line Items]	'	'	'	'
Gross loans	810,882	704,491	'	'
Owner-Occupied Commercial [Member]	'	'	'	'
Loans [Line Items]	'	'	'	'
Gross loans	786,360	770,581	'	'
Construction Loans [Member]	'	'	'	'
Loans [Line Items]	'	'	'	'
Gross loans	106,074	133,375	'	'
Consumer Loan Commitments [Member]	'	'	'	'
Loans [Line Items]	'	'	'	'
Gross loans	302,234	289,001	'	'
Commercial Mortgage [Member] | Real Estate Mortgage Loans [Member]	'	'	'	'
Loans [Line Items]	'	'	'	'
Gross loans	725,193	631,365	'	'
Residential (1-4 Family) [Member] | Real Estate Mortgage Loans [Member]	'	'	'	'
Loans [Line Items]	'	'	'	'
Gross loans	$221,520	$243,627	'	'

Loans_Additional_Information_D

Loans - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loans [Line Items]	'	'	'
Nonaccruing loans	$31,000,000	$47,800,000	$71,100,000
Potential increase in net interest income	1,000,000	1,600,000	3,100,000
Accrued interest receivable	10,798,000	9,652,000	'
Loans receivable [Member]	'	'	'
Loans [Line Items]	'	'	'
Accrued interest receivable	7,800,000	7,600,000	'
First Mortgage [Member]	'	'	'
Loans [Line Items]	'	'	'
Amounts of loans serviced	229,800,000	263,400,000	308,100,000
Fees from servicing of loans	342,000	359,000	445,000
Value of mortgage servicing rights	419,000	240,000	'
First Mortgage [Member] | Servicing rights [Member]	'	'	'
Loans [Line Items]	'	'	'
Net income expense	$178,000	$24,000	'

Allowance_for_Loan_Losses_and_2

Allowance for Loan Losses and Credit Quality Information - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
	SecurityLoan
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Period for impairment loans	'90 days	'	'
Net charge-offs	$9,900,000	$41,200,000	'
Percentage of average loans annualized, charged-offs	0.34%	1.49%	'
Calculated probability of default rate	'Probability of default is calculated based on the historical rate of migration to impaired status during the last 15 quarters.	'	'
Interest income on impaired loans	922,000	985,000	395,000
Balance of troubled debt restructurings	27,600,000	22,000,000	'
TDRs in nonaccrual status	15,300,000	11,900,000	'
TDRs in accrual status	12,300,000	10,100,000	'
Troubled debt restructuring related reserves	4,100,000	936,000	'
Number of term loans modified in troubled debt restructurings	32	'	'
Usual sustained repayment performance period	'6 months	'	'
Increase in allowance for loan losses	82,000	'	'
Troubled debt restructurings charged off	381,000	'	'
Commercial [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Number of TDRs that defaulted during period	0	'	'
Consumer [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Number of TDRs that defaulted during period	0	'	'
Commercial Loan Commitments [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Number of term loans modified in troubled debt restructurings	9	'	'
Residential [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Number of TDRs that defaulted during period	1	'	'
Residential TDRs	$130,000	'	'
Residential TDR default days	'90 days	'	'

Allowance_for_Loan_Losses_and_3

Allowance for Loan Losses and Credit Quality Information - Schedule of Allowance for Loan Losses and Loan Balances (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	$43,922	'	'	'	$53,080	$43,922	$53,080	$60,339
Charge-offs	'	'	'	'	'	'	'	'	-13,664	-45,802	-37,833
Recoveries	'	'	'	'	'	'	'	'	3,814	4,591	2,578
Provision (credit) for loan losses	1,292	1,969	1,680	2,231	3,674	3,751	16,383	8,245	7,172	32,053	27,996
Ending balance	41,244	'	'	'	43,922	'	'	'	41,244	43,922	53,080
Loans individually evaluated for impairment	4,903	'	'	'	4,951	'	'	'	4,903	4,951	4,713
Loans collectively evaluated for impairment	36,341	'	'	'	38,971	'	'	'	36,341	38,971	48,367
Ending balance	41,244	'	'	'	43,922	'	'	'	41,244	43,922	53,080
Loans individually evaluated for impairment	43,282	'	'	'	57,855	'	'	'	43,282	57,855	79,979
Loans collectively evaluated for impairment	2,908,981	'	'	'	2,714,585	'	'	'	2,908,981	2,714,585	2,678,924
Ending balance	2,952,263	'	'	'	2,772,440	'	'	'	2,952,263	2,772,440	2,758,903
Commercial Loan Commitments [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	13,663	'	'	'	15,067	13,663	15,067	'
Charge-offs	'	'	'	'	'	'	'	'	-2,636	-12,806	'
Recoveries	'	'	'	'	'	'	'	'	1,003	1,536	'
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	721	9,866	'
Ending balance	12,751	'	'	'	13,663	'	'	'	12,751	13,663	'
Loans individually evaluated for impairment	1,781	'	'	'	2,100	'	'	'	1,781	2,100	'
Loans collectively evaluated for impairment	10,970	'	'	'	11,563	'	'	'	10,970	11,563	'
Ending balance	12,751	'	'	'	13,663	'	'	'	12,751	13,663	'
Loans individually evaluated for impairment	5,003	'	'	'	4,861	'	'	'	5,003	4,861	'
Loans collectively evaluated for impairment	805,879	'	'	'	699,630	'	'	'	805,879	699,630	'
Ending balance	810,882	'	'	'	704,491	'	'	'	810,882	704,491	'
Owner-Occupied Commercial [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	6,108	'	'	'	9,235	6,108	9,235	'
Charge-offs	'	'	'	'	'	'	'	'	-1,225	-5,076	'
Recoveries	'	'	'	'	'	'	'	'	128	13	'
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	2,627	1,936	'
Ending balance	7,638	'	'	'	6,108	'	'	'	7,638	6,108	'
Loans individually evaluated for impairment	12	'	'	'	1	'	'	'	12	1	'
Loans collectively evaluated for impairment	7,626	'	'	'	6,107	'	'	'	7,626	6,107	'
Ending balance	7,638	'	'	'	6,108	'	'	'	7,638	6,108	'
Loans individually evaluated for impairment	5,197	'	'	'	14,001	'	'	'	5,197	14,001	'
Loans collectively evaluated for impairment	781,163	'	'	'	756,580	'	'	'	781,163	756,580	'
Ending balance	786,360	'	'	'	770,581	'	'	'	786,360	770,581	'
Commercial Mortgages [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	8,079	'	'	'	7,556	8,079	7,556	10,564
Charge-offs	'	'	'	'	'	'	'	'	-1,915	-6,517	-7,446
Recoveries	'	'	'	'	'	'	'	'	685	405	334
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	83	6,635	4,104
Ending balance	6,932	'	'	'	8,079	'	'	'	6,932	8,079	7,556
Loans individually evaluated for impairment	1,987	'	'	'	1,887	'	'	'	1,987	1,887	295
Loans collectively evaluated for impairment	4,945	'	'	'	6,192	'	'	'	4,945	6,192	7,261
Ending balance	6,932	'	'	'	8,079	'	'	'	6,932	8,079	7,556
Loans individually evaluated for impairment	8,661	'	'	'	12,634	'	'	'	8,661	12,634	15,814
Loans collectively evaluated for impairment	716,532	'	'	'	618,731	'	'	'	716,532	618,731	610,925
Ending balance	725,193	'	'	'	631,365	'	'	'	725,193	631,365	626,739
Construction [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	6,456	'	'	'	4,074	6,456	4,074	10,019
Charge-offs	'	'	'	'	'	'	'	'	-1,749	-10,820	-11,602
Recoveries	'	'	'	'	'	'	'	'	989	1,761	582
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	-2,370	11,441	5,075
Ending balance	3,326	'	'	'	6,456	'	'	'	3,326	6,456	4,074
Loans individually evaluated for impairment	'	'	'	'	28	'	'	'	'	28	723
Loans collectively evaluated for impairment	3,326	'	'	'	6,428	'	'	'	3,326	6,428	3,351
Ending balance	3,326	'	'	'	6,456	'	'	'	3,326	6,456	4,074
Loans individually evaluated for impairment	1,158	'	'	'	1,547	'	'	'	1,158	1,547	22,124
Loans collectively evaluated for impairment	104,916	'	'	'	131,828	'	'	'	104,916	131,828	84,144
Ending balance	106,074	'	'	'	133,375	'	'	'	106,074	133,375	106,268
Residential [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	3,124	'	'	'	6,544	3,124	6,544	4,028
Charge-offs	'	'	'	'	'	'	'	'	-1,226	-3,857	-3,165
Recoveries	'	'	'	'	'	'	'	'	122	176	211
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	1,058	261	5,470
Ending balance	3,078	'	'	'	3,124	'	'	'	3,078	3,124	6,544
Loans individually evaluated for impairment	989	'	'	'	919	'	'	'	989	919	964
Loans collectively evaluated for impairment	2,089	'	'	'	2,205	'	'	'	2,089	2,205	5,580
Ending balance	3,078	'	'	'	3,124	'	'	'	3,078	3,124	6,544
Loans individually evaluated for impairment	17,852	'	'	'	18,483	'	'	'	17,852	18,483	16,227
Loans collectively evaluated for impairment	203,668	'	'	'	225,144	'	'	'	203,668	225,144	257,878
Ending balance	221,520	'	'	'	243,627	'	'	'	221,520	243,627	274,105
Consumer Loan Commitments [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	5,631	'	'	'	10,604	5,631	10,604	9,248
Charge-offs	'	'	'	'	'	'	'	'	-4,913	-6,726	-6,201
Recoveries	'	'	'	'	'	'	'	'	887	700	554
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	4,889	1,053	7,003
Ending balance	6,494	'	'	'	5,631	'	'	'	6,494	5,631	10,604
Loans individually evaluated for impairment	134	'	'	'	16	'	'	'	134	16	101
Loans collectively evaluated for impairment	6,360	'	'	'	5,615	'	'	'	6,360	5,615	10,503
Ending balance	6,494	'	'	'	5,631	'	'	'	6,494	5,631	10,604
Loans individually evaluated for impairment	5,411	'	'	'	6,329	'	'	'	5,411	6,329	2,621
Loans collectively evaluated for impairment	296,823	'	'	'	282,672	'	'	'	296,823	282,672	288,358
Ending balance	302,234	'	'	'	289,001	'	'	'	302,234	289,001	290,979
Complexity Risk [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	861	'	'	'	'	861	'	'
Charge-offs	'	'	'	'	'	'	'	'	'	'	'
Recoveries	'	'	'	'	'	'	'	'	'	'	'
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	164	861	'
Ending balance	1,025	'	'	'	861	'	'	'	1,025	861	'
Loans individually evaluated for impairment	'	'	'	'	'	'	'	'	'	'	'
Loans collectively evaluated for impairment	1,025	'	'	'	861	'	'	'	1,025	861	'
Ending balance	1,025	'	'	'	861	'	'	'	1,025	861	'
Loans individually evaluated for impairment	'	'	'	'	'	'	'	'	'	'	'
Loans collectively evaluated for impairment	'	'	'	'	'	'	'	'	'	'	'
Ending balance	'	'	'	'	'	'	'	'	'	'	'
Commercial And Owner Occupied Commercial [Member]	'	'	'	'	'	'	'	'	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Beginning balance	'	'	'	'	'	'	'	'	'	'	26,480
Charge-offs	'	'	'	'	'	'	'	'	'	'	-9,419
Recoveries	'	'	'	'	'	'	'	'	'	'	897
Provision (credit) for loan losses	'	'	'	'	'	'	'	'	'	'	6,344
Ending balance	'	'	'	'	'	'	'	'	'	'	24,302
Loans individually evaluated for impairment	'	'	'	'	'	'	'	'	'	'	2,630
Loans collectively evaluated for impairment	'	'	'	'	'	'	'	'	'	'	21,672
Ending balance	'	'	'	'	'	'	'	'	'	'	24,302
Loans individually evaluated for impairment	'	'	'	'	'	'	'	'	'	'	23,193
Loans collectively evaluated for impairment	'	'	'	'	'	'	'	'	'	'	1,437,619
Ending balance	'	'	'	'	'	'	'	'	'	'	$1,460,812

Allowance_for_Loan_Losses_and_4

Allowance for Loan Losses and Credit Quality Information - Schedule of Allowance for Loan Losses and Loan Balances (Parenthetical) (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
In Millions, unless otherwise specified
Receivables [Abstract]	'	'	'
Accrued troubled debt restructured loans	$12.30	$10.10	$8.90

Allowance_for_Loan_Losses_and_5

Allowance for Loan Losses and Credit Quality Information - Summary of Nonaccrual and Past Due Loans (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'
30-59 Days Past Due and Still Accruing, Total	$5,115	$9,101
60-89 Days Past Due and Still Accruing, Total	2,574	1,202
Greater Than 90 Days Past Due and Still Accruing, Total	533	786
Total Past Due And Still Accruing, Total	8,222	11,089
Accruing Current Balances, Total	2,913,093	2,713,591
Nonaccrual Loans, Total	30,948	47,760
Total Loans	2,952,263	2,772,440
30-59 Days Past Due and Still Accruing, % of Total Loans	0.17%	0.33%
60-89 Days Past Due and Still Accruing, % of Total Loans	0.09%	0.04%
Greater Than 90 Days Past Due and Still Accruing, % of Total Loans	0.02%	0.03%
Total Past Due And Still Accruing, % of Total Loans	0.28%	0.40%
Accruing Current Balances, % of Total Loans	98.67%	97.88%
Nonaccrual Loans, % of Total Loans	1.05%	1.72%
% of Total Loans	100.00%	100.00%
Commercial Loan Commitments [Member]	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'
30-59 Days Past Due and Still Accruing, Total	1,447	1,214
60-89 Days Past Due and Still Accruing, Total	'	'
Greater Than 90 Days Past Due and Still Accruing, Total	'	'
Total Past Due And Still Accruing, Total	1,447	1,214
Accruing Current Balances, Total	805,132	698,416
Nonaccrual Loans, Total	4,303	4,861
Total Loans	810,882	704,491
Owner-Occupied Commercial [Member]	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'
30-59 Days Past Due and Still Accruing, Total	538	1,264
60-89 Days Past Due and Still Accruing, Total	'	'
Greater Than 90 Days Past Due and Still Accruing, Total	'	'
Total Past Due And Still Accruing, Total	538	1,264
Accruing Current Balances, Total	780,625	755,316
Nonaccrual Loans, Total	5,197	14,001
Total Loans	786,360	770,581
Commercial Mortgages [Member]	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'
30-59 Days Past Due and Still Accruing, Total	83	'
60-89 Days Past Due and Still Accruing, Total	1,049	'
Greater Than 90 Days Past Due and Still Accruing, Total	'	'
Total Past Due And Still Accruing, Total	1,132	'
Accruing Current Balances, Total	715,496	618,731
Nonaccrual Loans, Total	8,565	12,634
Total Loans	725,193	631,365
Construction [Member]	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'
30-59 Days Past Due and Still Accruing, Total	'	269
60-89 Days Past Due and Still Accruing, Total	'	70
Greater Than 90 Days Past Due and Still Accruing, Total	'	'
Total Past Due And Still Accruing, Total	'	339
Accruing Current Balances, Total	104,916	131,489
Nonaccrual Loans, Total	1,158	1,547
Total Loans	106,074	133,375
Residential [Member]	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'
30-59 Days Past Due and Still Accruing, Total	1,952	5,383
60-89 Days Past Due and Still Accruing, Total	1,348	606
Greater Than 90 Days Past Due and Still Accruing, Total	533	786
Total Past Due And Still Accruing, Total	3,833	6,775
Accruing Current Balances, Total	209,255	226,863
Nonaccrual Loans, Total	8,432	9,989
Total Loans	221,520	243,627
Consumer Loan Commitments [Member]	'	'
Financing Receivable, Recorded Investment, Past Due [Line Items]	'	'
30-59 Days Past Due and Still Accruing, Total	1,095	971
60-89 Days Past Due and Still Accruing, Total	177	526
Greater Than 90 Days Past Due and Still Accruing, Total	'	'
Total Past Due And Still Accruing, Total	1,272	1,497
Accruing Current Balances, Total	297,669	282,776
Nonaccrual Loans, Total	3,293	4,728
Total Loans	$302,234	$289,001

Allowance_for_Loan_Losses_and_6

Allowance for Loan Losses and Credit Quality Information - Analysis of Impaired Loans (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Ending Loan Balances	$43,282	$57,855	$79,979
Loans with No Related Reserve	26,005	38,707	'
Loans with Related Reserve	17,277	19,148	'
Related Reserve	4,903	4,951	'
Contractual Principal Balance	65,644	98,657	'
Average Loan Balances	51,803	64,752	'
Commercial Loan Commitments [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Ending Loan Balances	5,003	4,861	'
Loans with No Related Reserve	2,362	1,598	'
Loans with Related Reserve	2,641	3,263	'
Related Reserve	1,781	2,100	'
Contractual Principal Balance	13,013	12,060	'
Average Loan Balances	5,347	4,993	'
Owner-Occupied Commercial [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Ending Loan Balances	5,197	14,001	'
Loans with No Related Reserve	5,184	13,827	'
Loans with Related Reserve	12	174	'
Related Reserve	12	1	'
Contractual Principal Balance	8,293	18,658	'
Average Loan Balances	11,542	16,856	'
Commercial Mortgages [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Ending Loan Balances	8,661	12,634	15,814
Loans with No Related Reserve	2,784	5,422	'
Loans with Related Reserve	5,877	7,212	'
Related Reserve	1,987	1,887	'
Contractual Principal Balance	16,566	22,192	'
Average Loan Balances	10,444	10,233	'
Construction [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Ending Loan Balances	1,158	1,547	22,124
Loans with No Related Reserve	1,158	1,172	'
Loans with Related Reserve	'	375	'
Related Reserve	'	28	'
Contractual Principal Balance	1,563	17,711	'
Average Loan Balances	968	11,239	'
Residential [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Ending Loan Balances	17,852	18,483	'
Loans with No Related Reserve	9,750	11,053	'
Loans with Related Reserve	8,103	7,430	'
Related Reserve	989	919	'
Contractual Principal Balance	20,153	20,771	'
Average Loan Balances	18,047	16,917	'
Consumer Loan Commitments [Member]	'	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'	'
Ending Loan Balances	5,411	6,329	2,621
Loans with No Related Reserve	4,767	5,635	'
Loans with Related Reserve	644	694	'
Related Reserve	134	16	'
Contractual Principal Balance	6,056	7,265	'
Average Loan Balances	$5,455	$4,514	'

Allowance_for_Loan_Losses_and_7

Allowance for Loan Losses and Credit Quality Information - Schedule of Commercial Credit Exposure (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Commercial Loans	100.00%	100.00%
Total Commercial Loans	$2,428,509	$2,239,812
Special Mention [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	19,631	73,729
Accrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	113,732	119,950
Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	11,489	22,019
Doubtful / Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	8,530	11,024
Total Special Mention and Substandard [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Commercial Loans	6.00%	10.00%
Total Commercial Loans	153,382	226,722
Pass [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Commercial Loans	94.00%	90.00%
Total Commercial Loans	2,275,127	2,013,090
Commercial [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	810,882	704,491
Commercial [Member] | Special Mention [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	12,566	14,611
Commercial [Member] | Accrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	56,806	63,074
Commercial [Member] | Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	2,362	1,598
Commercial [Member] | Doubtful / Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	2,641	3,263
Commercial [Member] | Total Special Mention and Substandard [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	74,375	82,546
Commercial [Member] | Pass [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	736,507	621,945
Owner-Occupied Commercial [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	786,360	770,581
Owner-Occupied Commercial [Member] | Special Mention [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	4,747	27,398
Owner-Occupied Commercial [Member] | Accrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	45,181	44,899
Owner-Occupied Commercial [Member] | Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	5,185	13,827
Owner-Occupied Commercial [Member] | Doubtful / Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	12	174
Owner-Occupied Commercial [Member] | Total Special Mention and Substandard [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	55,125	86,298
Owner-Occupied Commercial [Member] | Pass [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	731,235	684,283
Commercial Mortgages [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	725,193	631,365
Commercial Mortgages [Member] | Special Mention [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	2,092	29,267
Commercial Mortgages [Member] | Accrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	8,146	6,222
Commercial Mortgages [Member] | Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	2,784	5,422
Commercial Mortgages [Member] | Doubtful / Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	5,877	7,212
Commercial Mortgages [Member] | Total Special Mention and Substandard [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	18,899	48,123
Commercial Mortgages [Member] | Pass [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	706,294	583,242
Construction [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	106,074	133,375
Construction [Member] | Special Mention [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	226	2,453
Construction [Member] | Accrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	3,599	5,755
Construction [Member] | Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	1,158	1,172
Construction [Member] | Doubtful / Nonaccrual [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	'	375
Construction [Member] | Total Special Mention and Substandard [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	4,983	9,755
Construction [Member] | Pass [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Total Commercial Loans	$101,091	$123,620

Allowance_for_Loan_Losses_and_8

Allowance for Loan Losses and Credit Quality Information - Schedule of Consumer Credit Exposure (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	$2,952,263	$2,772,440
Total	100.00%	100.00%
Residential and Consumer Loan [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	523,754	532,628
Total	100.00%	100.00%
Residential and Consumer Loan [Member] | Nonperforming Financing Receivable [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	23,263	24,812
Total	4.00%	5.00%
Residential and Consumer Loan [Member] | Performing Financing Receivable [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	500,491	507,816
Total	96.00%	95.00%
Residential [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	221,520	243,627
Residential [Member] | Nonperforming Financing Receivable [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	17,852	18,483
Residential [Member] | Performing Financing Receivable [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	203,668	225,144
Consumer [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	302,234	289,001
Consumer [Member] | Nonperforming Financing Receivable [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	5,411	6,329
Consumer [Member] | Performing Financing Receivable [Member]	'	'
Accounts, Notes, Loans and Financing Receivable [Line Items]	'	'
Gross loans	$296,823	$282,672

Allowance_for_Loan_Losses_and_9

Allowance for Loan Losses and Credit Quality Information - Schedule of Consumer Credit Exposure (Parenthetical) (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Millions, unless otherwise specified
Receivables [Abstract]	'	'
Non-performing loans of troubled debt restructured mortgages and home equity installment loans	$11.50	$10.10

Recovered_Sheet1

Allowance for Loan Losses and Credit Quality Information - Schedule of Loans Identified as Troubled Debt Restructurings During Periods Indicated (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]	'	'
Loans identified during the period	$18,696	$18,216
Commercial [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Loans identified during the period	9,241	10,235
Commercial Mortgages [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Loans identified during the period	7,056	'
Construction [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Loans identified during the period	'	378
Residential [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Loans identified during the period	1,076	5,217
Consumer [Member]	'	'
Financing Receivable, Modifications [Line Items]	'	'
Loans identified during the period	$1,323	$2,386

Reverse_Mortgage_Related_Asset2

Reverse Mortgage Related Assets - Additional Information (Detail) (USD $)	12 Months Ended					3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2013
		Maximum [Member]	Minimum [Member]	Zero collateral value [Member]	Reverse Mortgage [Member]	SASCO 2002-RM1's Class O Securities [Member]	SASCO 2002-RM1's Class O Securities [Member]	SASCO 2002-RM1's Class O Securities [Member]
								Mortgage-Backed Securities ("MBS") [Member]
Reverse Mortgage Loan Activities [Line Items]	'	'	'	'	'	'	'	'
Trading securities, par value	'	'	'	'	'	'	'	$2,500,000
Investments purchase percentage	'	'	'	'	'	'	'	100.00%
Consolidated reverse mortgage loan	'	'	'	'	'	40,500,000	'	'
Reverse mortgage loan cash amount	'	'	'	'	'	5,800,000	'	'
Mortgage-backed securities fair value	'	'	'	'	'	885,000	'	'
Bonds at fair value	'	'	'	'	'	26,300,000	'	'
Pre-tax in income	'	'	'	'	'	3,800,000	'	'
Consolidated mortgage investment	37,300,000	'	'	'	'	'	'	'
Average age of a mortgage backed securities borrower	'92 years	'	'	'	'	'	'	'
Realizable collateral value of mortgage backed securities	63,000,000	'	'	'	'	'	'	'
Liquid assets	6,000,000	'	'	'	'	'	'	'
Outstanding bonds	22,000,000	'	'	'	'	'	'	'
Carrying value of reverse mortgages	'	'	'	'	-457,000	'	'	'
Fair value of reverse mortgages	'	'	'	'	12,600,000	'	7,100,000	'
Forecasted housing prices increase rate	2.50%	'	'	'	'	'	'	'
Forecasted housing prices increase rate, following year and thereafter	1.75%	'	'	'	'	'	'	'
Internal rate of return	14.22%	'	'	'	'	'	'	'
Cash payments to reverse mortgagors	8,400,000	'	'	'	'	'	'	'
Decrease in income	77,000	'	'	155,000	'	'	'	'
Reduction in collateral value	1.00%	'	'	'	'	'	'	'
Internal Rate of Return (IRR)	13.35%	'	'	12.50%	'	'	'	'
Net present value increase or decrease	'	$103,000	$101,000	'	'	'	'	'
Change in present value of IRR	'	1.00%	1.00%	'	'	'	'	'

Reverse_Mortgage_Related_Asset3

Reverse Mortgage Related Assets - Summary of Estimated Cash Payments to Reverse Mortgagors (Detail) (USD $)	Dec. 31, 2013
Mortgage Banking [Abstract]	'
2014	$1,004,565
2015	820,257
2016	663,038
2017	530,411
2018	419,873
Years 2019 - 2023	1,038,376
Years 2024 - 2028	242,803
Years 2029 - 2033	42,848
Thereafter	5,181
Total	$4,767,352

Premises_and_Equipment_Summary

Premises and Equipment - Summary of Premises and Equipment (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Property, Plant and Equipment [Line Items]	'	'
Property, plant and equipment, gross	$79,033	$76,305
Accumulated depreciation	43,855	38,048
Property, plant and equipment, net	35,178	38,257
Premises [Member]	'	'
Property, Plant and Equipment [Line Items]	'	'
Property, plant and equipment, gross	1,362	1,362
Buildings [Member]	'	'
Property, Plant and Equipment [Line Items]	'	'
Property, plant and equipment, gross	4,030	4,020
Leasehold Improvements [Member]	'	'
Property, Plant and Equipment [Line Items]	'	'
Property, plant and equipment, gross	35,506	35,011
Furniture and Equipment [Member]	'	'
Property, Plant and Equipment [Line Items]	'	'
Property, plant and equipment, gross	$38,135	$35,912

Premises_and_Equipment_Additio

Premises and Equipment - Additional Information (Detail) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]	'	'	'
Rent expense of operating leases	$9.10	$9	$7.90
Minimum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Operating leases, lease terms	'1 year	'	'
Maximum [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Operating leases, lease terms	'25 years	'	'
Computer Equipment [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Useful life	'3 years	'	'
Furniture and Equipment [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Useful life	'5 years	'	'
Building Renovations [Member]	'	'	'
Property, Plant and Equipment [Line Items]	'	'	'
Useful life	'10 years	'	'

Premises_and_Equipment_Summary1

Premises and Equipment - Summary of Future Minimum Cash Payments (Detail) (USD $)	Dec. 31, 2013
In Thousands, unless otherwise specified
Schedule Of Future Minimum Rental Payments For Operating Leases [Line Items]	'
2014	$3,437
2015	1,598
2016	763
2017	727
2018	'
Premises [Member]	'
Schedule Of Future Minimum Rental Payments For Operating Leases [Line Items]	'
2014	7,924
2015	7,712
2016	7,483
2017	7,430
2018	7,590
Thereafter	144,635
Total future minimum lease payments	$182,774

Goodwill_and_Intangible_Assets2

Goodwill and Intangible Assets - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]	'	'	'
Goodwill	$32,235,000	$28,146,000	$28,146,000
Impairment losses related to goodwill	0	'	'
WSFS Bank [Member]	'	'	'
Finite-Lived Intangible Assets [Line Items]	'	'	'
Goodwill	27,100,000	'	'
Trust & Wealth Management [Member]	'	'	'
Finite-Lived Intangible Assets [Line Items]	'	'	'
Goodwill	5,100,000	'	'
Other Intangible Assets [Member]	'	'	'
Finite-Lived Intangible Assets [Line Items]	'	'	'
Amortization expense on other intangible assets	$1,000,000	$989,000	$1,200,000

Goodwill_and_Intangible_Assets3

Goodwill and Intangible Assets - Schedule of Allocation of Goodwill to Our Reportable Operating Segments for Purposes of Goodwill Impairment Testing (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Line Items]	'	'
Beginning Balance	$28,146	$28,146
Goodwill from business combinations	4,089	'
Changes in goodwill	'	'
Ending Balance	32,235	28,146
WSFS Bank [Member]	'	'
Goodwill [Line Items]	'	'
Beginning Balance	23,012	23,012
Goodwill from business combinations	4,089	'
Changes in goodwill	'	'
Ending Balance	27,101	23,012
Cash Connect [Member]	'	'
Goodwill [Line Items]	'	'
Beginning Balance	'	'
Goodwill from business combinations	'	'
Changes in goodwill	'	'
Ending Balance	'	'
Trust & Wealth Management [Member]	'	'
Goodwill [Line Items]	'	'
Beginning Balance	5,134	5,134
Goodwill from business combinations	'	'
Changes in goodwill	'	'
Ending Balance	$5,134	$5,134

Goodwill_and_Intangible_Assets4

Goodwill and Intangible Assets - Summary of Other Intangible Assets (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Finite-Lived Intangible Assets [Line Items]	'	'
Gross Intangible Assets	$10,995	$8,834
Accumulated Amortization	-4,252	-3,660
Net Intangible Assets	6,743	5,174
Core deposits [Member]	'	'
Finite-Lived Intangible Assets [Line Items]	'	'
Gross Intangible Assets	4,370	4,370
Accumulated Amortization	-2,605	-2,020
Net Intangible Assets	1,765	2,350
Other Intangible Assets [Member]	'	'
Finite-Lived Intangible Assets [Line Items]	'	'
Gross Intangible Assets	6,625	4,464
Accumulated Amortization	-1,647	-1,640
Net Intangible Assets	$4,978	$2,824

Goodwill_and_Intangible_Assets5

Goodwill and Intangible Assets - Schedule of Estimated Amortization Expense of Intangibles (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Goodwill And Intangible Assets Disclosure [Abstract]	'	'
2014	$1,167	'
2015	1,135	'
2016	878	'
2017	731	'
2018	711	'
Thereafter	2,121	'
Net Intangible Assets	$6,743	$5,174

Deposits_Deposits_by_Category_

Deposits - Deposits by Category, Including Summary of Remaining Time to Maturity for Time Deposits (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Time Deposits [Line Items]	'	'
Noninterest-bearing demand	$650,256	$631,026
Interest-bearing demand	638,403	538,195
Money market	887,715	933,901
Total money market and demand	2,176,374	2,103,122
Savings	383,731	389,977
Total customer time certificates	236,965	316,986
Total jumbo certificates of deposit	221,145	294,237
Total customer deposits	3,018,215	3,104,322
Total deposits	3,186,942	3,274,963
Customer Certificates of Deposits by Maturity [Member]	'	'
Time Deposits [Line Items]	'	'
Less than one year	134,356	202,604
One year to two years	89,750	45,955
Two years to three years	7,951	60,879
Three years to four years	1,446	5,894
Over four years	3,462	1,654
Jumbo Certificates of Deposit by Maturity [Member]	'	'
Time Deposits [Line Items]	'	'
Less than one year	162,617	234,716
One year to two years	51,996	20,581
Two years to three years	3,092	36,561
Three years to four years	535	2,031
Over four years	2,905	348
Brokered Deposits [Member]	'	'
Time Deposits [Line Items]	'	'
Less than one year	$168,727	$170,641

Deposits_Interest_Expense_by_C

Deposits - Interest Expense by Category, Followed on Deposits (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Banking And Thrift Interest [Abstract]	'	'	'
Interest-bearing demand	$529	$246	$405
Money market	1,123	1,759	2,897
Savings	217	431	1,465
Time deposits	4,712	9,531	13,548
Total customer interest expense	6,581	11,967	18,315
Brokered deposits	599	1,134	816
Total interest expense on deposits	$7,180	$13,101	$19,131

Borrowed_Funds_Summary_of_Borr

Borrowed Funds - Summary of Borrowed Funds by Type (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]	'	'
Balance at End of Period	$638,091	$376,310
Weighted Average Interest Rate	0.30%	'
Maximum Outstanding at Month End During the Period	685,591	'
Average Amount Outstanding During the Period	573,989	'
Weighted Average Interest Rate During the Period	0.32%	'
Federal Funds Purchased and Securities Sold under Agreements to Repurchase [Member]	'	'
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]	'	'
Balance at End of Period	97,000	110,000
Weighted Average Interest Rate	0.98%	0.90%
Maximum Outstanding at Month End During the Period	126,000	125,000
Average Amount Outstanding During the Period	108,105	101,106
Weighted Average Interest Rate During the Period	0.91%	0.99%
Trust Preferred Borrowings [Member]	'	'
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]	'	'
Balance at End of Period	67,011	67,011
Weighted Average Interest Rate	2.01%	2.08%
Maximum Outstanding at Month End During the Period	67,011	67,011
Average Amount Outstanding During the Period	67,011	67,011
Weighted Average Interest Rate During the Period	1.98%	2.17%
Senior Debt [Member]	'	'
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]	'	'
Balance at End of Period	55,000	55,000
Weighted Average Interest Rate	6.25%	6.25%
Maximum Outstanding at Month End During the Period	55,000	55,000
Average Amount Outstanding During the Period	55,000	19,085
Weighted Average Interest Rate During the Period	6.86%	6.68%
Reverse Mortgage Trust Bonds Payable [Member]	'	'
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]	'	'
Balance at End of Period	21,990	'
Weighted Average Interest Rate	0.34%	'
Maximum Outstanding at Month End During the Period	26,340	'
Average Amount Outstanding During the Period	6,757	'
Weighted Average Interest Rate During the Period	0.88%	'
Other Borrowed Funds [Member]	'	'
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]	'	'
Balance at End of Period	24,739	28,945
Weighted Average Interest Rate	0.09%	0.09%
Maximum Outstanding at Month End During the Period	41,976	64,599
Average Amount Outstanding During the Period	35,026	33,924
Weighted Average Interest Rate During the Period	0.32%	0.41%
FHLB Advances [Member]	'	'
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]	'	'
Balance at End of Period	'	376,310
Weighted Average Interest Rate	'	0.57%
Maximum Outstanding at Month End During the Period	'	588,052
Average Amount Outstanding During the Period	'	$466,243
Weighted Average Interest Rate During the Period	'	1.32%

Borrowed_Funds_Additional_Info

Borrowed Funds - Additional Information (Detail) (USD $)

12 Months Ended

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2005

Dec. 31, 2005

Dec. 31, 2013

Dec. 31, 2013

Dec. 31, 2005

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2013

Dec. 31, 2013

WSFS Capital Trust III [Member]

WSFS Capital Trust I [Member]

Mortgage-Backed Securities ("MBS") [Member]

Reverse Mortgage Trust Bonds Payable [Member]

LIBOR Rate [Member]

Federal Home Loan Bank of Pittsburgh [Member]

Federal Home Loan Bank of Pittsburgh [Member]

Federal Home Loan Bank of Pittsburgh [Member]

Federal Home Loan Bank of Pittsburgh [Member]

Federal Home Loan Bank of Pittsburgh [Member]

WSFS Capital Trust III [Member]

Minimum [Member]

Maximum [Member]

Repurchase Agreement Counterparty [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Weighted average interest rates on advances from the FHLB of Pittsburgh

'

'

'

'

'

'

'

'

'

'

0.16%

1.52%

Federal Home Loan Bank, Advances, general debt obligations, disclosures, general description of terms

'

'

'

'

'

'

'

'

'

'

'Purchase and hold shares of capital stock in the FHLB of Pittsburgh in an amount at least equal to 0.35% of our member asset value plus 4.60% of advances outstanding

'

Percentage of member asset value

'

'

'

'

'

'

'

0.35%

'

'

'

'

Percentage of advances outstanding

'

'

'

'

'

'

'

4.60%

'

'

'

'

FHLB stock

$35,869,000

$31,165,000

'

'

'

'

'

$35,900,000

$31,200,000

'

'

'

Dividends from the FHLB of Pittsburgh

'

'

'

'

'

'

'

391,000

60,000

0

'

'

Purchase of federal funds

72,000,000

85,000,000

'

'

'

'

'

'

'

'

'

'

Federal funds rate on securities purchased

0.28%

0.27%

'

'

'

'

'

'

'

'

'

'

Rate of securities sold under repurchase agreements

'

'

'

'

2.98%

'

'

'

'

'

'

'

Securities sold under agreements to repurchase, Maturity date

'

'

'

'

1-Jan-15

'

'

'

'

'

'

'

Securities sold under agreements to repurchase

'

'

'

'

33,600,000

'

'

'

'

'

'

'

Aggregate principal amount of Pooled Floating Rate Securities

'

'

67,000,000

'

'

'

'

'

'

'

'

'

Variable interest rate

'

'

'

'

'

'

1.77%

'

'

'

'

'

Variable interest rate period

'

'

'

'3 months

'

'

'

'

'

'

'

'

Aggregate principal amount

55,000,000

55,000,000

'

'

'

'

'

'

'

'

'

'

Interest rate on unsecured debt

'

6.25%

'

'

'

'

'

'

'

'

'

'

Senior Notes Due Date

'2019

'

'

'

'

'

'

'

'

'

'

'

Senior Debt, Callable Period

'

'5 years

'

'

'

'

'

'

'

'

'

'

Senior Debt maturity date

1-Sep-19

'

'

'

'

'

'

'

'

'

'

'

Carrying value of bonds

638,091,000

376,310,000

'

'

'

21,990,000

'

'

'

'

'

'

Interest rate of bonds

0.32%

'

'

'

'

0.88%

'

'

'

'

'

'

Collateralized borrowings

$24,700,000

$28,900,000

'

'

'

'

'

'

'

'

'

'

Average rates on borrowings

0.09%

0.09%

'

'

'

'

'

'

'

'

'

'

Borrowed_Funds_Advances_from_F

Borrowed Funds - Advances from FHLB of Pittsburgh with Rates (Detail) (Federal Home Loan Bank of Pittsburgh [Member], USD $)	Dec. 31, 2013
In Thousands, unless otherwise specified
Federal Home Loan Bank of Pittsburgh [Member]	'
Assets Sold under Agreements to Repurchase [Line Items]	'
2014	$615,925
2015	22,166
Advances from FHLB of Pittsburgh, Amount	$638,091
2014	0.29%
2015	0.58%
Advances from FHLB of Pittsburgh	0.30%

Borrowed_Funds_Securities_Sold

Borrowed Funds - Securities Sold under Agreements to Repurchase with Corresponding Carrying and Market Values of Underlying Securities (Detail) (Maturity over 90 Days [Member], USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Maturity over 90 Days [Member]	'	'
Assets Sold under Agreements to Repurchase [Line Items]	'	'
Borrowing Amount	$25,000	$25,000
Rate	2.98%	2.98%
Collateral Carrying Value	34,952	41,061
Collateral Fair Value	33,596	41,714
Collateral Accrued Interest	$83	$104

Stock_and_Common_Stock_Warrant1

Stock and Common Stock Warrants - Additional Information (Detail) (USD $)

3 Months Ended

12 Months Ended

12 Months Ended

12 Months Ended

12 Months Ended

Jun. 30, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Sep. 30, 2013

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Mar. 28, 2012

Dec. 31, 2009

Dec. 31, 2009

Dec. 31, 2009

Dec. 31, 2009

Dec. 31, 2009

Dec. 31, 2009

U.S. Treasury Securities [Member]

U.S. Treasury Securities [Member]

U.S. Treasury Securities [Member]

U.S. Treasury Securities [Member]

U.S. Treasury Securities [Member]

Warrant [Member]

Peninsula Investment Partners, L.P. [Member]

Peninsula Investment Partners, L.P. [Member]

Peninsula Investment Partners, L.P. [Member]

Peninsula Investment Partners, L.P. [Member]

U.S. Treasury Securities [Member]

Common Stock [Member]

Common Stock Warrants [Member]

Warrant [Member]

Equity [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Underwritten public offering common stock

'

'

'

'

1,370,000

'

'

'

'

'

'

'

'

'

'

'

Premium of public offering common stock

'

$4,353,000

$2,503,000

$1,124,000

$47,100,000

'

'

'

'

'

'

'

'

'

'

'

Cost of public offering common stock

'

'

'

'

2,900,000

'

'

'

'

'

'

'

'

'

'

'

Sale of common stock, shares

'

18,476,003

18,354,055

'

'

'

'

'

'

'

'

175,105

862,069

'

'

'

Total purchase price

'

'

'

'

'

'

'

'

'

'

52,600,000

'

25,000,000

23,500,000

1,500,000

'

Warrant to purchase of common stock, shares

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

129,310

Warrant to purchase of common stock, exercise price

'

'

'

'

'

'

'

'

'

'

'

$45.08

'

'

'

$29

Warrant period to purchase

'

'

'

'

'

'

'

'

'

'

'

'10 years

'

'

'

'10 years

Total proceeds from private placement

'

'

'

'

'

'

'

'

'

'

'

'

'

'

25,000,000

'

Issue of preferred stock, shares

'

'

52,625

'

'

'

'

'

'

52,625

52,625

'

'

'

'

'

Preferred stock dividend paid

'

1,774,000

2,631,000

2,631,000

'

'

1,800,000

2,600,000

2,600,000

'

'

'

'

'

'

'

Repurchase of warrant

'

'

1,800,000

'

'

'

'

1,800,000

'

'

'

'

'

'

'

'

Preferred stock, liquidation preference per share

'

'

'

'

'

$1,000

'

'

'

'

'

'

'

'

'

'

Repurchase amount of outstanding in open market transactions

20,000,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Total amount outstanding

'

$52,600,000

'

'

'

'

'

'

'

'

'

'

'

'

'

'

Stockholders_Equity_Additional

Stockholders' Equity - Additional Information (Detail) (USD $)	12 Months Ended			12 Months Ended
In Millions, except Per Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2005	Dec. 31, 2005
	Class_of_Stock		WSFS Capital Trust III [Member]	WSFS Capital Trust III [Member]
				LIBOR Rate [Member]
Capital Unit [Line Items]	'	'	'	'
Tangible capital percentage of adjusted total assets	1.50%	1.50%	'	'
Core capital percentage of adjusted total assets	4.00%	4.00%	'	'
Tier 1 capital percentage of risk weighted assets	4.00%	4.00%	'	'
Risk based capital of risk weighted assets	8.00%	8.00%	'	'
Common stock outstanding, par value	$0.01	$0.01	'	'
Number of classes of stock	1	'	'	'
Number of class of common stock outstanding	1	'	'	'
Pooled Floating Rate Securities Issued	'	'	$67	'
Pooled Floating Rate Securities, par value	2	'	'	'
Coupon rate	2.01%	'	'	'
Date of maturity	1-Jun-35	'	'	'
Variable interest rate period	'Three-month LIBOR	'	'	'
Variable interest rate	'	'	'	1.77%
Cash remains at the holding company	$19.30	'	'	'

Stockholders_Equity_Schedule_o

Stockholders' Equity - Schedule of Capital Position (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Equity [Abstract]	'	'
Total Capital (to risk-weighted assets), Consolidated Bank Capital Amount	$505,354	$466,924
Core Capital (to adjusted tangible assets), Consolidated Bank Capital Amount	463,130	426,019
Tangible Capital (to tangible assets), Consolidated Bank Capital Amount	463,130	426,019
Tier 1 Capital (to risk-weighted assets), Consolidated Bank Capital Amount	463,130	426,019
Total Capital (to risk-weighted assets), Consolidated Bank Capital Percent	14.36%	14.29%
Core Capital (to adjusted tangible assets), Consolidated Bank Capital Percent	10.35%	9.83%
Tangible Capital (to tangible assets), Consolidated Bank Capital Percent	10.35%	9.83%
Tier 1 Capital (to risk-weighted assets), Consolidated Bank Capital Percent	13.16%	13.04%
Total Capital (to risk-weighted assets), For Capital Adequacy Purposes Amount	281,450	261,440
Core Capital (to adjusted tangible assets), For Capital Adequacy Purposes Amount	178,996	173,273
Tangible Capital (to tangible assets), For Capital Adequacy Purposes Amount	67,124	64,977
Tier 1 Capital (to risk-weighted assets), For Capital Adequacy Purposes Amount	140,725	130,720
Total Capital (to risk-weighted assets), For Capital Adequacy Purposes Percentage	8.00%	8.00%
Core Capital (to adjusted tangible assets), For Capital Adequacy Purposes Percentage	4.00%	4.00%
Tangible Capital (to tangible assets), For Capital Adequacy Purposes Percentage	1.50%	1.50%
Tier 1 Capital (to risk-weighted assets), For Capital Adequacy Purposes Percentage	4.00%	4.00%
Total Capital (to risk-weighted assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Amount	351,812	326,800
Core Capital (to adjusted tangible assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Amount	223,745	216,592
Tangible Capital (to tangible assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Amount	'	'
Tier 1 Capital (to risk-weighted assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Amount	$211,087	$196,080
Total Capital (to risk-weighted assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Percentage	10.00%	10.00%
Core Capital (to adjusted tangible assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Percentage	5.00%	5.00%
Tangible Capital (to tangible assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Percentage	'	'
Tier 1 Capital (to risk-weighted assets), To Be Well-Capitalized Under Prompt Corrective Action Provisions Percentage	6.00%	6.00%

Associate_Employee_Benefit_Pla2

Associate (Employee) Benefit Plans - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
	Plans
Defined Benefit Plan Disclosure [Line Items]	'	'	'
Cash contributions to the plan on behalf of associates, cash expenditure	$2,600,000	$2,400,000	$1,900,000
Percentage of contributions to be invested in balanced fund if no designation made	100.00%	'	'
Employee benefit plan, purchases of common stock	'	2,000	24,000
Employee benefit plan, sales of common stock	19,000	'	'
Amortization of unrecognized gains losses exceed percentage	10.00%	'	'
Expense relating to the amortization of the net actuarial loss	56,000	'	'
Average annual rate of increase for medical benefits	4.00%	'	'
Amount of annual health premium per retiree	2,920	'	'
Estimated contribution for health fund	3,037	'	'
Reduction in annual medical premium cap	5.00%	'	'
Number of additional supplemental plans	5	'	'
Supplemental Pension Plan [Member]	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'
Defined benefit pension plan, corresponding liability	381,000	'	'
Early Retirement [Member]	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'
Defined benefit pension plan, corresponding liability	149,000	'	'
Director's Plan [Member]	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'
Defined benefit pension plan, corresponding liability	44,000	'	'
Supplemental Executive Retirement Plan [Member]	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'
Defined benefit pension plan, corresponding liability	932,000	'	'
Post-Retirement Medical Plan [Member]	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'
Defined benefit pension plan, corresponding liability	$164,000	'	'

Associate_Employee_Benefit_Pla3

Associate (Employee) Benefit Plans - Schedule of Net Periodic Benefit Cost Components of Postretirement Benefits (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Change in benefit obligation:	'	'	'
Benefit obligation at beginning of year	$4,478	$3,923	$3,088
Service cost	343	288	207
Interest cost	176	174	166
Actuarial (gain) loss	-288	271	623
Benefits paid	-149	-178	-161
Benefit obligation at end of year	4,560	4,478	3,923
Change in plan assets:	'	'	'
Fair value of plan assets at beginning of year	'	'	'
Employer contributions	149	178	161
Benefits paid	-149	-178	-161
Fair value of plan assets at end of year	'	'	'
Funded status:	'	'	'
Funded status	-4,560	-4,478	-3,923
Recognized net loss	1,221	1,587	1,444
Net amount recognized	-3,339	-2,891	-2,479
Components of net periodic benefit cost:	'	'	'
Service cost	343	288	207
Interest cost	177	174	166
Amortization of transition obligation	'	61	61
Net loss recognition	78	67	32
Net periodic benefit cost	598	590	466
Assumptions used to determine net periodic benefit cost:	'	'	'
Discount rate	4.00%	4.50%	5.50%
Health care cost trend rate	5.00%	5.00%	5.00%
Sensitivity analysis of health care cost trends:	'	'	'
Effect of +1% on service cost plus interest cost	'	-34	-17
Effect of -1% on service cost plus interest cost	'	12	13
Effect of +1% on APBO	'	-146	-129
Effect of -1% on APBO	'	$142	$100
Assumptions used to value the Accumulated Postretirement Benefit Obligation (APBO):	'	'	'
Discount rate	5.00%	4.00%	4.50%
Health care cost trend rate	5.00%	5.00%	5.00%
Ultimate trend rate	5.00%	5.00%	5.00%
Year of ultimate trend rate	'2013	'2012	'2011

Associate_Employee_Benefit_Pla4

Associate (Employee) Benefit Plans - Estimated Future Benefit Payments (Detail) (USD $)	Dec. 31, 2013
In Thousands, unless otherwise specified
Postemployment Benefits [Abstract]	'
During 2014	$125
During 2015	128
During 2016	132
During 2017	146
During 2018	155
During 2019 through 2023	1,078
Total	$1,764

Taxes_on_Income_Schedule_of_Co

Taxes on Income - Schedule of Components of Income Tax Expense (Benefit) (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]	'	'	'
Current income taxes, Federal taxes	$21,242	$11,136	$6,648
Current income taxes, State and local taxes	2,759	2,256	1,849
Deferred income taxes, Federal taxes	875	3,591	2,978
Deferred income taxes, State and local taxes	-120	'	'
Total	$24,756	$16,983	$11,475

Taxes_on_Income_Schedule_of_De

Taxes on Income - Schedule of Deferred Tax Assets and Liabilities (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Deferred tax assets:	'	'
Unrealized losses on available-for-sale securities	$12,762	'
Allowance for loan losses	14,436	15,373
Reserves and other	8,854	7,511
Deferred gains	453	480
Net operating losses	1,196	'
Reverse mortgages	3,686	'
Total deferred tax assets before valuation allowance	41,387	23,364
Less: valuation allowance	-4,882	'
Total Deferred tax assets	36,505	23,364
Deferred tax liabilities:	'	'
Unrealized gains on available-for-sale securities	'	-8,053
Accelerated depreciation	-1,506	-2,115
Other	-2,132	-397
Prepaid expenses	-1,112	-1,590
Deferred loan costs	-1,843	-1,866
Intangibles	-1,765	-1,256
Total deferred tax liabilities before valuation allowance	-8,358	-15,277
Net deferred tax asset	$28,147	$8,087

Taxes_on_Income_Additional_Inf

Taxes on Income - Additional Information (Detail) (USD $)	12 Months Ended				1 Months Ended	12 Months Ended			0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2007	Jan. 31, 2014	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2013	Jan. 27, 2014
					Subsequent Event [Member]	Internal Revenue Service (IRS) [Member]	Domestic Tax Authority [Member]	SASCO [Member]	SASCO [Member]
									Subsequent Event [Member]
Income Tax Disclosure [Line Items]	'	'	'	'	'	'	'	'	'
Unrealized losses on investments in debt and equity	$12,762,000	'	'	'	'	'	'	'	'
Unrealized gains on investments in debt and equity	'	8,053,000	'	'	'	'	'	'	'
Postretirement benefit obligations	550,000	550,000	'	'	'	'	'	'	'
Deferred income tax (benefit) expense	0	'	'	'	'	'	'	'	'
Deferred tax asset	28,147,000	8,087,000	'	'	'	'	'	'	'
Percentage of tax benefit	50.00%	'	'	'	'	'	'	'	'
Deferred tax asset	41,387,000	23,364,000	'	'	'	'	'	4,900,000	'
Deferred tax asset, valuation allowance	4,882,000	'	'	'	'	'	'	'	4,900,000
Deferred tax liabilities	'	'	'	'	'	'	'	'	1,700,000
Income tax benefit	24,756,000	16,983,000	11,475,000	'	6,600,000	416,000	186,000	'	6,600,000
Federal net operating losses	'	'	'	'	'	'	'	'	3,400,000
Net operating loss expiration beginning period	'	'	'	'	'	'	'	'	'2030
Charitable contribution expense	'	'	'	$6,000,000	'	'	'	'	'
Income tax expired year	'	'	'	'2011	'	'	'	'	'
Income tax examination	'Federal tax years 2010 through 2013 remain subject to examination	'	'	'	'	'	'	'	'
Income tax examination in process	'No state income tax return examinations are currently in process.	'	'	'	'	'	'	'	'
Completion of federal tax return audit by IRS	'During 2013, the audit of our 2010 federal tax return was completed by the IRS.	'	'	'	'	'	'	'	'

Taxes_on_Income_Schedule_of_Ef

Taxes on Income - Schedule of Effective Income Tax Rate Reconciliation (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]	'	'	'
Statutory federal income tax rate	35.00%	35.00%	35.00%
State tax, net of federal tax benefit	2.40%	3.00%	3.40%
Interest income 50% excludable	'	-0.50%	-2.10%
Tax-exempt interest	-1.20%	-0.50%	-0.40%
Bank-owned life insurance income	-0.10%	-1.10%	-2.00%
Incentive stock option and other nondeductible compensation	0.30%	0.60%	0.90%
Settlement of prior year charitable donation	'	'	-1.20%
Federal tax credits	-1.70%	-1.40%	-0.50%
Other	-0.10%	0.10%	0.50%
Effective tax rate	34.60%	35.20%	33.60%

Taxes_on_Income_Schedule_of_Ef1

Taxes on Income - Schedule of Effective Income Tax Rate Reconciliation (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]	'
Interest income excludable	50.00%

Taxes_on_Income_Schedule_of_Un

Taxes on Income - Schedule of Unrecognized Tax Benefits (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]	'	'
Unrecognized tax benefits at January 1	'	$88
Tax positions taken during prior years	'	-3
Tax positions taken during current year	'	'
Reductions relating to settlements with taxing authorities	'	-85
Reductions as a result of a lapse of statutes of limitations	'	'
Unrecognized tax benefits at December 31	'	'

StockBased_Compensation_Additi

Stock-Based Compensation - Additional Information (Detail) (USD $)	0 Months Ended	12 Months Ended
	Apr. 25, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Stock Based Compensation [Line Items]	'	'	'	'	'
Number of shares reserved for issuance under 2013 Plan	'	712,578	335,730	416,886	566,323
Stock options granted, vest in percentage per annum increments	'	25.00%	25.00%	'	'
Stock option exercisable period description	'	'Start to become exercisable one year from the grant date and expire five years from the grant date	'	'	'
Intrinsic value for nonvested options	'	'	$6,100,000	'	'
Intrinsic value for vested stock options	'	$2,400,000	'	'	'
Options exercised with an intrinsic value	'	2,700,000	'	'	'
Intrinsic value of remaining exercisable options	'	3,300,000	'	'	'
Average remaining contractual term of remaining exercisable options	'	'1 year 4 months 24 days	'	'	'
Intrinsic value of outstanding options	'	21,400,000	'	'	'
Average remaining contractual term of options outstanding	'	'4 years 8 months 12 days	'	'	'
Total unrecognized compensation cost of nonvested stock options	'	6,000,000	'	'	'
Expected weighted-average period	'	'3 years 9 months 18 days	'	'	'
Non-statutory stock options, granted	250,000	'	'	'	'
Non-statutory stock options, vesting percentage after second year	40.00%	'	'	'	'
Non-statutory stock options, vesting percentage in each of following three years	20.00%	'	'	'	'
Non-statutory stock options, exercise price over December 2012 market value, percent	20.00%	'	'	'	'
Non eligibility period of receiving grants under any of other stock based award programs	'5 years	'	'	'	'
Weighted-average risk-free rate of return	'	0.50%	'	'	'
Expected option life	'	'3 years 9 months	'3 years 9 months	'	'
Expected stock price volatility rate	'	30.70%	44.60%	'	'
Assumed dividend yield	'	1.01%	1.20%	'	'
Additional options granted	'	522,357	88,307	57,723	'
Stock-based compensation expense	'	2,938,000	1,577,000	1,343,000	'
Shares vesting period	'	'Two year	'	'	'
Return on investment of cost of restricted stock	'	50.00%	'	'	'
Compensation expense	'	275,000	'	'	'
Minimum [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Performance award vesting period	'	'1 year	'	'	'
Weighted-average risk-free rate of return	'	'	0.60%	'	'
Maximum [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Performance award vesting period	'	'5 years	'	'	'
Weighted-average risk-free rate of return	'	'	0.70%	'	'
Stock Incentive 2013 Plan [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Termination year of the plan	'	'2023	'	'	'
Number of shares reserved for issuance under 2013 Plan	'	698,845	'	'	'
Shares available for future grants under 2013 Plan	'	548,845	'	'	'
Stock Incentive 2013 Plan [Member] | Executive Officers [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Weighted-average risk-free rate of return	'	0.76%	'	'	'
Expected option life	'	'5 years	'	'	'
Expected stock price volatility rate	'	40.50%	'	'	'
Assumed dividend yield	'	1.01%	'	'	'
Incentive stock options issued	'	150,000	'	'	'
Performance Stock Awards [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Impact of stock-based compensation before tax	'	3,200,000	2,300,000	1,600,000	'
Impact of stock-based compensation after tax	'	2,500,000	1,700,000	1,200,000	'
Stock Options [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Performance award vesting period	'	'4 years	'4 years	'	'
Expected option life	'	'5 years	'5 years	'	'
Additional options granted	'	122,357	88,307	'	'
Non-Plan Stock Options [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Weighted-average risk-free rate of return	'	0.76%	'	'	'
Expected option life	'	'5 years	'	'	'
Expected stock price volatility rate	'	40.50%	'	'	'
Assumed dividend yield	'	1.01%	'	'	'
Restricted Stock and Restricted Stock Units [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Performance award vesting period	'	'4 years	'	'	'
Average remaining contractual term of options outstanding	'	'1 year 8 months 12 days	'	'	'
Restricted stock units and awards issued	'	11,357	'	'	'
Total amount of compensation cost of relating to non-vested restricted stock	'	1,200,000	992,000	1,200,000	'
Performance Shares [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Restricted stock units and awards issued	'	36,152	'	'	'
Aggregate shares of restricted stock awarded	'	77,800	'	'	'
Number of participants under Long-Term Program	'	14	'	'	'
Percentage of annual return on assets	'	1.00%	'	'	'
Vesting description	'	'The awarded stock will vest in 25% increments over four years	'	'	'
Stock-based compensation expense	'	$88,000	'	'	'
Performance Level One [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Percentage of annual return on assets	'	1.00%	'	'	'
Shares awarded under annual return of assets	'	39,000	'	'	'
Performance Level Two [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Percentage of annual return on assets	'	1.13%	'	'	'
Shares awarded under annual return of assets	'	53,300	'	'	'
Performance Level Three [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Percentage of annual return on assets	'	1.25%	'	'	'
Shares awarded under annual return of assets	'	77,800	'	'	'
Director [Member]	'	'	'	'	'
Stock Based Compensation [Line Items]	'	'	'	'	'
Performance award vesting period	'	'5 years	'	'	'
Restricted stock granted	'	22,250	'	'	'

StockBased_Compensation_Summar

Stock-Based Compensation - Summary of Stock Incentive Plans (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]	'	'	'
Outstanding at beginning of year, Shares	335,730	416,886	566,323
Granted, Shares	522,357	88,307	57,723
Exercised, Shares	-118,438	-71,055	-85,379
Forfeited, Shares	-13,081	'	-12,666
Expired, Shares	-13,990	-98,408	-109,115
Outstanding at end of year, Shares	712,578	335,730	416,886
Exercisable at end of year, Shares	103,549	178,432	304,628
Weighted-average fair value of awards granted, Shares	$13.94	$12.50	$14.06
Outstanding at beginning of year, Weighted-Average Exercise Price	$42.14	$43.52	$42.84
Granted, Weighted-Average Exercise Price	$49.09	$39.66	$44.15
Exercised, Weighted-Average Exercise Price	$39.39	$30.78	$18.94
Forfeited, Weighted-Average Exercise Price	$47.50	'	$40.85
Expired, Weighted-Average Exercise Price	$49.08	$53.99	$59.85
Outstanding at end of year, Weighted-Average Exercise Price	$47.42	$42.14	$43.52
Exercisable at end of year, Weighted-Average Exercise Price	$46.02	$45.28	$46.27

StockBased_Compensation_Schedu

Stock-Based Compensation - Schedule of Unvested Stock Option Outstanding (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]	'	'	'
Unvested at beginning of period, Shares	157,298	112,258	123,486
Granted, Shares	522,357	88,307	57,723
Vested, Shares	-57,545	-43,267	-56,285
Forfeited, Shares	-13,081	'	-12,666
Unvested at end of period, Shares	609,029	157,298	112,258
Unvested at beginning of period, Weighted-Average Exercise Price	$38.57	$36.08	$34.94
Granted, Weighted-Average Exercise Price	$49.09	$39.66	$44.15
Vested, Weighted-Average Exercise Price	$35.41	$34.32	$40.77
Forfeited, Weighted-Average Exercise Price	$47.50	'	$40.85
Unvested at end of period, Weighted-Average Exercise Price	$47.66	$38.57	$36.08
Unvested at beginning of period, Weighted-Average Grant Date Fair Value	$11.98	$10.69	$8.27
Granted, Weighted-Average Grant Date Fair Value	$13.94	$12.50	$14.06
Vested, Weighted-Average Grant Date Fair Value	$10.65	$9.66	$9.13
Forfeited, Weighted-Average Grant Date Fair Value	$9.58	'	$9.44
Unvested at end of period, Weighted-Average Grant Date Fair Value	$13.75	$11.98	$10.69

StockBased_Compensation_Schedu1

Stock-Based Compensation - Schedule of Outstanding Stock Options for Option Plans (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Outstanding Number	712,578	335,730	416,886	566,323
Outstanding Weighted-Average Exercise Price	$47.42	$42.14	$43.52	$42.84
Outstanding Weighted-Average Remaining Contractual Life	'4 years 8 months 12 days	'	'	'
Exercisable Number	103,549	178,432	304,628	'
Exercisable, Weighted-Average Exercise Price	$46.02	$45.28	$46.27	'
Exercise Price Range One [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Exercise Price of Stock Options, Minimum	$20.70	'	'	'
Exercise Price of Stock Options, Maximum	$27.60	'	'	'
Outstanding Number	13,818	'	'	'
Outstanding Weighted-Average Exercise Price	$23.36	'	'	'
Outstanding Weighted-Average Remaining Contractual Life	'2 months 12 days	'	'	'
Exercisable Number	13,818	'	'	'
Exercisable, Weighted-Average Exercise Price	$23.36	'	'	'
Exercise Price Range Two [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Exercise Price of Stock Options, Minimum	$27.61	'	'	'
Exercise Price of Stock Options, Maximum	$34.50	'	'	'
Outstanding Number	16,552	'	'	'
Outstanding Weighted-Average Exercise Price	$31.33	'	'	'
Outstanding Weighted-Average Remaining Contractual Life	'1 year 7 months 6 days	'	'	'
Exercisable Number	8,879	'	'	'
Exercisable, Weighted-Average Exercise Price	$31.30	'	'	'
Exercise Price Range Three [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Exercise Price of Stock Options, Minimum	$34.51	'	'	'
Exercise Price of Stock Options, Maximum	$41.40	'	'	'
Outstanding Number	81,421	'	'	'
Outstanding Weighted-Average Exercise Price	$39.68	'	'	'
Outstanding Weighted-Average Remaining Contractual Life	'3 years 2 months 12 days	'	'	'
Exercisable Number	15,090	'	'	'
Exercisable, Weighted-Average Exercise Price	$39.76	'	'	'
Exercise Price Range Four [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Exercise Price of Stock Options, Minimum	$41.41	'	'	'
Exercise Price of Stock Options, Maximum	$48.30	'	'	'
Outstanding Number	155,065	'	'	'
Outstanding Weighted-Average Exercise Price	$46.76	'	'	'
Outstanding Weighted-Average Remaining Contractual Life	'3 years 7 months 6 days	'	'	'
Exercisable Number	20,040	'	'	'
Exercisable, Weighted-Average Exercise Price	$45.02	'	'	'
Exercise Price Range Five [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Exercise Price of Stock Options, Minimum	$48.31	'	'	'
Exercise Price of Stock Options, Maximum	$55.20	'	'	'
Outstanding Number	404,360	'	'	'
Outstanding Weighted-Average Exercise Price	$49.54	'	'	'
Outstanding Weighted-Average Remaining Contractual Life	'6 years 1 month 6 days	'	'	'
Exercisable Number	4,360	'	'	'
Exercisable, Weighted-Average Exercise Price	$51.17	'	'	'
Exercise Price Range Six [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Exercise Price of Stock Options, Minimum	$55.21	'	'	'
Exercise Price of Stock Options, Maximum	$62.10	'	'	'
Outstanding Number	40,057	'	'	'
Outstanding Weighted-Average Exercise Price	$58.85	'	'	'
Outstanding Weighted-Average Remaining Contractual Life	'1 year	'	'	'
Exercisable Number	40,057	'	'	'
Exercisable, Weighted-Average Exercise Price	$58.85	'	'	'
Exercise Price Range Seven [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Exercise Price of Stock Options, Minimum	$62.11	'	'	'
Exercise Price of Stock Options, Maximum	$69	'	'	'
Outstanding Number	1,305	'	'	'
Outstanding Weighted-Average Exercise Price	$62.50	'	'	'
Outstanding Weighted-Average Remaining Contractual Life	'2 years 3 months 18 days	'	'	'
Exercisable Number	1,305	'	'	'
Exercisable, Weighted-Average Exercise Price	$62.50	'	'	'

Commitments_and_Contingencies_1

Commitments and Contingencies - Summary of Projected Amounts of Future Minimum Payments (Detail) (USD $)	Dec. 31, 2013
In Thousands, unless otherwise specified
Commitments And Contingencies Disclosure [Abstract]	'
2014	$3,437
2015	1,598
2016	763
2017	727
2018	'

Commitments_and_Contingencies_2

Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
	Transactions
	Financial_Institution
Other Commitments [Line Items]	'	'	'
Expenses for data processing and operations	$5,924,000	$5,581,000	$5,340,000
Commitments to sell residential mortgages	24,200,000	55,200,000	'
Repurchases of loans	0	0	'
Provision for losses at the time of sale	0	'	'
Number of unrelated financial institutions	3	'	'
Derivative transaction held for guarantee	101	'	'
Number of customers in paying position to third party	89	'	'
Aggregate notional amount	423,900,000	'	'
Notional amount maturity period, minimum	'3 months	'	'
Notional amount maturity period, maximum	'12 years	'	'
Aggregate fair value of swaps to customers	17,800,000	'	'
Amount of swap liability in paying positions to third party	18,200,000	'	'
Reserves for swap guarantees	70,000	'	'
Commitments to Extend Credit [Member]	'	'	'
Other Commitments [Line Items]	'	'	'
Commitments of lending operations	653,300,000	'	'
Consumer Loan Commitments [Member]	'	'	'
Other Commitments [Line Items]	'	'	'
Commitments of lending operations	150,300,000	'	'
Real Estate [Member]	'	'	'
Other Commitments [Line Items]	'	'	'
Commitments of lending operations	$142,400,000	'	'
Minimum [Member]	'	'	'
Other Commitments [Line Items]	'	'	'
Closing period of residential mortgage commitments	'1 month	'	'
Loans sold in secondary market, period	'15 years	'	'
Maximum [Member]	'	'	'
Other Commitments [Line Items]	'	'	'
Closing period of residential mortgage commitments	'6 months	'	'
Loans sold in secondary market, period	'30 years	'	'

Commitments_and_Contingencies_3

Commitments and Contingencies - Summary of Off-Balance Sheet Financial Instruments (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Construction Loan Commitments [Member]	'	'
Financial instruments with contract amounts which represent potential credit risk:	'	'
Loan commitments	$64,210	$44,610
Commercial Mortgage Loan Commitments [Member]	'	'
Financial instruments with contract amounts which represent potential credit risk:	'	'
Loan commitments	9,852	13,523
Commercial Loan Commitments [Member]	'	'
Financial instruments with contract amounts which represent potential credit risk:	'	'
Loan commitments	335,257	317,750
Commercial Owner-Occupied Commitments [Member]	'	'
Financial instruments with contract amounts which represent potential credit risk:	'	'
Loan commitments	32,078	46,211
Commercial Standby Letters Of Credit [Member]	'	'
Financial instruments with contract amounts which represent potential credit risk:	'	'
Loan commitments	56,651	55,540
Residential Mortgage loan commitments [Member]	'	'
Financial instruments with contract amounts which represent potential credit risk:	'	'
Loan commitments	5,018	22,657
Consumer Loan Commitments [Member]	'	'
Financial instruments with contract amounts which represent potential credit risk:	'	'
Loan commitments	$150,265	$135,060

Fair_Value_Disclosures_Additio

Fair Value Disclosures - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Liabilities measured at fair value	$0	$0
Available for sale of securities, fair value	817,115,000	900,859,000
Minimum discount rate on appraisals of collateral securing loan	10.00%	'
Maximum discount rate on appraisals of collateral securing loan	50.00%	'
Valuation allowance on impaired loans	4,900,000	5,000,000
BBB-Rated Tranche [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Number of available-for-sale reverse mortgage security	1	'
Federal Agency Debentures [Member] | AAA-Rated [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Available for sale of securities, fair value	32,200,000	'
Federal Agency MBS [Member] | AAA-Rated [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Available for sale of securities, fair value	684,800,000	'
Municipal Bonds [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Available for sale of securities, fair value	100,200,000	'
Reverse Mortgage Trust [Member] | Significant Unobservable Inputs (Level 3) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Available for sale of securities, fair value	0	'
Impaired Loans (Collateral Dependent) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Collateral for collateral dependent loans	38,379,000	52,904,000
Impaired Loans (Collateral Dependent) [Member] | Significant Unobservable Inputs (Level 3) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Collateral for collateral dependent loans	$38,379,000	$52,904,000

Fair_Value_Disclosures_Balance

Fair Value Disclosures - Balances of Assets Measured at Fair Value (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	$817,115	$900,859
Total assets measured at fair value on a recurring basis	817,115	920,545
Assets Measured at Fair Value on a Nonrecurring Basis	4,532	4,622
Total assets measured at fair value on a nonrecurring basis	42,911	57,526
Collateralized Mortgage Obligation ("CMO") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	97,557	252,300
Federal National Mortgage Association ("FNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	367,128	406,255
Federal Home Loan Mortgage Corporation ("FHLMC") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	124,495	59,650
Government National Mortgage Association ("GNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	95,592	132,455
U.S. Government and Agencies [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	32,158	46,990
State and Political Subdivisions [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	100,185	3,209
Other Real Estate Owned [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	4,532	4,622
Impaired Loans (Collateral Dependent) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	38,379	52,904
Reverse Mortgage Related Assets [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	19,686
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Total assets measured at fair value on a recurring basis	'	'
Total assets measured at fair value on a nonrecurring basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | Collateralized Mortgage Obligation ("CMO") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | Federal National Mortgage Association ("FNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | Federal Home Loan Mortgage Corporation ("FHLMC") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | Government National Mortgage Association ("GNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | U.S. Government and Agencies [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | State and Political Subdivisions [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | Other Real Estate Owned [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | Impaired Loans (Collateral Dependent) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	'
Quoted Prices in Active Markets for Identical Asset (Level 1) [Member] | Reverse Mortgage Related Assets [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	'
Significant Other Observable Inputs (Level 2) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Total assets measured at fair value on a recurring basis	817,115	900,859
Total assets measured at fair value on a nonrecurring basis	'	'
Significant Other Observable Inputs (Level 2) [Member] | Collateralized Mortgage Obligation ("CMO") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	97,557	252,300
Significant Other Observable Inputs (Level 2) [Member] | Federal National Mortgage Association ("FNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	367,128	406,255
Significant Other Observable Inputs (Level 2) [Member] | Federal Home Loan Mortgage Corporation ("FHLMC") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	124,495	59,650
Significant Other Observable Inputs (Level 2) [Member] | Government National Mortgage Association ("GNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	95,592	132,455
Significant Other Observable Inputs (Level 2) [Member] | U.S. Government and Agencies [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	32,158	46,990
Significant Other Observable Inputs (Level 2) [Member] | State and Political Subdivisions [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	100,185	3,209
Significant Other Observable Inputs (Level 2) [Member] | Other Real Estate Owned [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	'
Significant Other Observable Inputs (Level 2) [Member] | Impaired Loans (Collateral Dependent) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	'
Significant Other Observable Inputs (Level 2) [Member] | Reverse Mortgage Related Assets [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	'
Significant Unobservable Inputs (Level 3) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Total assets measured at fair value on a recurring basis	'	19,686
Total assets measured at fair value on a nonrecurring basis	42,911	57,526
Significant Unobservable Inputs (Level 3) [Member] | Collateralized Mortgage Obligation ("CMO") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Significant Unobservable Inputs (Level 3) [Member] | Federal National Mortgage Association ("FNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Significant Unobservable Inputs (Level 3) [Member] | Federal Home Loan Mortgage Corporation ("FHLMC") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Significant Unobservable Inputs (Level 3) [Member] | Government National Mortgage Association ("GNMA") [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Significant Unobservable Inputs (Level 3) [Member] | U.S. Government and Agencies [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Significant Unobservable Inputs (Level 3) [Member] | State and Political Subdivisions [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Recurring Basis	'	'
Significant Unobservable Inputs (Level 3) [Member] | Other Real Estate Owned [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	4,532	4,622
Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans (Collateral Dependent) [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	38,379	52,904
Significant Unobservable Inputs (Level 3) [Member] | Reverse Mortgage Related Assets [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Assets Measured at Fair Value on a Nonrecurring Basis	'	$19,686

Fair_Value_Disclosures_Assets_

Fair Value Disclosures - Assets Measured at Fair Value on Recurring Basis (Detail) (Reverse Mortgage Related Assets [Member], USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Reverse Mortgage Related Assets [Member]	'	'
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]	'	'
Balance	$19,686	$16,368
Total net income (loss) for the year included in net income	'	33
Contractual monthly advances of principal	'	'
Mark-to-market adjustment	-125	3,285
Reverse mortgage securitization trust consolidation	-19,561	'
Balance	'	$19,686

Fair_Value_Disclosures_Book_Va

Fair Value Disclosures - Book Value and Estimated Fair Value of Financial Instruments (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
In Thousands, unless otherwise specified
Financial assets:	'	'	'	'
Cash and cash equivalents	$484,426	$500,887	$468,017	$376,759
Loans, held-for-sale	31,491	12,758	'	'
Loans, net	2,904,976	2,723,916	'	'
Stock in Federal Home Loan Bank of Pittsburgh	35,869	31,165	'	'
Accrued interest receivable	10,798	9,652	'	'
Financial liabilities:	'	'	'	'
Deposits	3,186,942	3,274,963	'	'
Borrowed funds	24,739	28,945	'	'
Accrued interest payable	838	1,099	'	'
Book Value [Member]	'	'	'	'
Financial assets:	'	'	'	'
Investment securities	817,115	900,859	'	'
Book Value [Member] | Quoted Prices in Active Markets for Identical Asset (Level 1) [Member]	'	'	'	'
Financial assets:	'	'	'	'
Cash and cash equivalents	484,426	500,887	'	'
Book Value [Member] | Significant Unobservable Inputs (Level 3) [Member]	'	'	'	'
Financial assets:	'	'	'	'
Loans, held-for-sale	31,491	12,758	'	'
Loans, net	2,904,976	2,723,916	'	'
Reverse mortgage related assets	37,328	19,229	'	'
Financial liabilities:	'	'	'	'
Standby letters of credit	248	224	'	'
Book Value [Member] | Significant Other Observable Inputs (Level 2) [Member]	'	'	'	'
Financial assets:	'	'	'	'
Stock in Federal Home Loan Bank of Pittsburgh	35,869	31,165	'	'
Accrued interest receivable	10,798	9,652	'	'
Financial liabilities:	'	'	'	'
Deposits	3,186,942	3,274,963	'	'
Borrowed funds	903,831	637,266	'	'
Accrued interest payable	838	1,099	'	'
Fair Value [Member]	'	'	'	'
Financial assets:	'	'	'	'
Investment securities	817,115	900,859	'	'
Fair Value [Member] | Quoted Prices in Active Markets for Identical Asset (Level 1) [Member]	'	'	'	'
Financial assets:	'	'	'	'
Cash and cash equivalents	484,426	500,887	'	'
Fair Value [Member] | Significant Unobservable Inputs (Level 3) [Member]	'	'	'	'
Financial assets:	'	'	'	'
Loans, held-for-sale	31,491	12,758	'	'
Loans, net	2,871,499	2,746,001	'	'
Reverse mortgage related assets	37,328	19,229	'	'
Financial liabilities:	'	'	'	'
Standby letters of credit	248	224	'	'
Fair Value [Member] | Significant Other Observable Inputs (Level 2) [Member]	'	'	'	'
Financial assets:	'	'	'	'
Stock in Federal Home Loan Bank of Pittsburgh	35,869	31,165	'	'
Accrued interest receivable	10,798	9,652	'	'
Financial liabilities:	'	'	'	'
Deposits	2,982,420	3,174,907	'	'
Borrowed funds	904,804	638,375	'	'
Accrued interest payable	$838	$1,099	'	'

Fair_Value_Disclosures_Estimat

Fair Value Disclosures - Estimated Fair Value of Off-Balance Sheet Financial Instruments (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Fair Value Disclosures [Abstract]	'	'
Off-balance sheet instruments:	'	'

Related_Party_Transactions_Add

Related Party Transactions - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Related Party Transactions [Abstract]	'	'
Aggregate loans to related parties	$2,000,000	$2,100,000
New loans and credit line advance to related parties	107,000	'
Related party loan repayment	$304,000	'

Segment_Information_Additional

Segment Information - Additional Information (Detail) (USD $)	12 Months Ended
In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
	Segment	Segment
Segment Reporting Information [Line Items]	'	'
Number of businesses	3	3
Cypress Capital Management, LLC [Member]	'	'
Segment Reporting Information [Line Items]	'	'
Assets under management	614	'
Christiana Trust [Member]	'	'
Segment Reporting Information [Line Items]	'	'
Assets under management	497	'
Assets under administration	8,900	'

Segment_Information_Details_of

Segment Information - Details of Segment Information (Detail) (USD $)

3 Months Ended

12 Months Ended

In Thousands, unless otherwise specified

Dec. 31, 2013

Sep. 30, 2013

Jun. 30, 2013

Mar. 31, 2013

Dec. 31, 2012

Sep. 30, 2012

Jun. 30, 2012

Mar. 31, 2012

Dec. 31, 2013

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

$38,333

$37,116

$35,882

$35,591

$36,787

$36,514

$37,763

$39,223

$146,922

$150,287

$158,642

'

Noninterest income

19,796

22,742

19,539

18,074

21,195

19,748

28,992

16,758

80,151

86,693

63,588

'

Total revenue

'

'

'

'

'

'

'

'

243,725

256,178

241,080

'

Interest expense

3,787

3,710

3,826

4,011

5,289

5,621

5,685

6,693

15,334

23,288

32,605

'

Noninterest expenses

34,598

32,809

33,152

32,370

37,186

32,153

33,017

30,989

132,929

133,345

127,477

'

Provision for loan loss

1,292

1,969

1,680

2,231

3,674

3,751

16,383

8,245

7,172

32,053

27,996

'

Total expenses

'

'

'

'

'

'

'

'

172,087

207,884

206,928

'

Income before taxes

18,452

21,370

16,763

15,053

11,833

14,737

11,670

10,054

71,638

48,294

34,152

'

Income tax provision

6,378

7,210

5,855

5,313

4,275

4,758

4,340

3,610

24,756

16,983

11,475

'

Consolidated net income

12,074

14,160

10,908

9,740

7,558

9,979

7,330

6,444

46,882

31,311

22,677

'

Capital expenditures

'

'

'

'

'

'

'

'

2,860

8,228

10,494

'

Cash and cash equivalents

484,426

'

'

'

500,887

'

'

'

484,426

500,887

468,017

376,759

Other segment assets

4,031,337

'

'

'

3,874,261

'

'

'

4,031,337

3,874,261

3,820,991

'

Total assets

4,515,763

'

'

'

4,375,148

'

'

'

4,515,763

4,375,148

4,289,008

'

External Customer [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

146,922

150,287

158,642

'

Noninterest income

'

'

'

'

'

'

'

'

80,151

86,693

63,588

'

Total revenue

'

'

'

'

'

'

'

'

227,073

236,980

222,230

'

Interest expense

'

'

'

'

'

'

'

'

15,334

23,288

32,605

'

Noninterest expenses

'

'

'

'

'

'

'

'

132,929

133,345

127,477

'

Provision for loan loss

'

'

'

'

'

'

'

'

7,172

32,053

27,996

'

Total expenses

'

'

'

'

'

'

'

'

155,435

188,686

188,078

'

Intersegment Eliminations [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

9,352

9,751

10,536

'

Noninterest income

'

'

'

'

'

'

'

'

7,300

9,447

8,314

'

Total revenue

'

'

'

'

'

'

'

'

16,652

19,198

18,850

'

Interest expense

'

'

'

'

'

'

'

'

9,352

9,751

10,536

'

Noninterest expenses

'

'

'

'

'

'

'

'

7,300

9,447

8,314

'

Total expenses

'

'

'

'

'

'

'

'

16,652

19,198

18,850

'

WSFS Bank [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Total revenue

'

'

'

'

'

'

'

'

189,510

208,806

196,133

'

Total expenses

'

'

'

'

'

'

'

'

135,401

173,293

173,036

'

Income before taxes

'

'

'

'

'

'

'

'

54,109

35,513

23,097

'

Capital expenditures

'

'

'

'

'

'

'

'

2,232

7,796

8,877

'

WSFS Bank [Member] | External Customer [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

139,082

141,986

149,313

'

Noninterest income

'

'

'

'

'

'

'

'

40,479

54,225

34,959

'

Total revenue

'

'

'

'

'

'

'

'

179,561

196,211

184,272

'

Interest expense

'

'

'

'

'

'

'

'

14,744

22,397

31,345

'

Noninterest expenses

'

'

'

'

'

'

'

'

107,195

112,071

108,061

'

Provision for loan loss

'

'

'

'

'

'

'

'

6,759

32,222

26,641

'

Total expenses

'

'

'

'

'

'

'

'

128,698

166,690

166,047

'

Cash and cash equivalents

73,017

'

'

'

68,419

'

'

'

73,017

68,419

48,107

'

Other segment assets

3,838,525

'

'

'

3,683,073

'

'

'

3,838,525

3,683,073

3,618,744

'

Total assets

3,911,542

'

'

'

3,751,492

'

'

'

3,911,542

3,751,492

3,666,851

'

WSFS Bank [Member] | Intersegment Eliminations [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

3,603

4,032

4,414

'

Noninterest income

'

'

'

'

'

'

'

'

6,346

8,563

7,447

'

Total revenue

'

'

'

'

'

'

'

'

9,949

12,595

11,861

'

Interest expense

'

'

'

'

'

'

'

'

5,749

5,719

6,122

'

Noninterest expenses

'

'

'

'

'

'

'

'

954

884

867

'

Total expenses

'

'

'

'

'

'

'

'

6,703

6,603

6,989

'

Cash Connect [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Total revenue

'

'

'

'

'

'

'

'

24,591

19,528

16,342

'

Total expenses

'

'

'

'

'

'

'

'

16,728

13,136

10,696

'

Income before taxes

'

'

'

'

'

'

'

'

7,863

6,392

5,646

'

Capital expenditures

'

'

'

'

'

'

'

'

628

405

1,291

'

Cash Connect [Member] | External Customer [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

'

'

'

'

Noninterest income

'

'

'

'

'

'

'

'

23,746

18,749

15,618

'

Total revenue

'

'

'

'

'

'

'

'

23,746

18,749

15,618

'

Interest expense

'

'

'

'

'

'

'

'

'

'

'

'

Noninterest expenses

'

'

'

'

'

'

'

'

12,950

9,549

7,883

'

Provision for loan loss

'

'

'

'

'

'

'

'

'

'

'

'

Total expenses

'

'

'

'

'

'

'

'

12,950

9,549

7,883

'

Cash and cash equivalents

408,096

'

'

'

430,382

'

'

'

408,096

430,382

416,949

'

Other segment assets

1,965

'

'

'

1,605

'

'

'

1,965

1,605

2,155

'

Total assets

410,061

'

'

'

431,987

'

'

'

410,061

431,987

419,104

'

Cash Connect [Member] | Intersegment Eliminations [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

'

'

'

'

Noninterest income

'

'

'

'

'

'

'

'

845

779

724

'

Total revenue

'

'

'

'

'

'

'

'

845

779

724

'

Interest expense

'

'

'

'

'

'

'

'

1,541

1,368

1,235

'

Noninterest expenses

'

'

'

'

'

'

'

'

2,237

2,219

1,578

'

Total expenses

'

'

'

'

'

'

'

'

3,778

3,587

2,813

'

Trust & Wealth Management [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Total revenue

'

'

'

'

'

'

'

'

29,624

27,844

28,605

'

Total expenses

'

'

'

'

'

'

'

'

19,958

21,455

23,196

'

Income before taxes

'

'

'

'

'

'

'

'

9,666

6,389

5,409

'

Capital expenditures

'

'

'

'

'

'

'

'

'

27

326

'

Trust & Wealth Management [Member] | External Customer [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

7,840

8,301

9,329

'

Noninterest income

'

'

'

'

'

'

'

'

15,926

13,719

13,011

'

Total revenue

'

'

'

'

'

'

'

'

23,766

22,020

22,340

'

Interest expense

'

'

'

'

'

'

'

'

590

891

1,260

'

Noninterest expenses

'

'

'

'

'

'

'

'

12,784

11,725

11,533

'

Provision for loan loss

'

'

'

'

'

'

'

'

413

-169

1,355

'

Total expenses

'

'

'

'

'

'

'

'

13,787

12,447

14,148

'

Cash and cash equivalents

3,313

'

'

'

2,086

'

'

'

3,313

2,086

2,961

'

Other segment assets

190,847

'

'

'

189,583

'

'

'

190,847

189,583

200,092

'

Total assets

194,160

'

'

'

191,669

'

'

'

194,160

191,669

203,053

'

Trust & Wealth Management [Member] | Intersegment Eliminations [Member]

'

'

'

'

'

'

'

'

'

'

'

'

Segment Reporting Information [Line Items]

'

'

'

'

'

'

'

'

'

'

'

'

Interest income

'

'

'

'

'

'

'

'

5,749

5,719

6,122

'

Noninterest income

'

'

'

'

'

'

'

'

109

105

143

'

Total revenue

'

'

'

'

'

'

'

'

5,858

5,824

6,265

'

Interest expense

'

'

'

'

'

'

'

'

2,062

2,664

3,179

'

Noninterest expenses

'

'

'

'

'

'

'

'

4,109

6,344

5,869

'

Total expenses

'

'

'

'

'

'

'

'

$6,171

$9,008

$9,048

'

Parent_Company_Financial_Infor2

Parent Company Financial Information - Condensed Statement of Financial Condition (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
In Thousands, unless otherwise specified
Assets:	'	'	'	'
Cash	$484,426	$500,887	$468,017	$376,759
Investment securities, available-for-sale	817,115	900,859	'	'
Other assets	51,887	37,568	'	'
Total assets	4,515,763	4,375,148	4,289,008	'
Liabilities:	'	'	'	'
Trust Preferred	67,011	67,011	'	'
Senior debt	55,000	55,000	'	'
Interest payable	838	1,099	'	'
Other liabilities	41,102	40,766	'	'
Total liabilities	4,132,713	3,954,094	'	'
Stockholders' Equity:	'	'	'	'
Preferred stock	'	1	'	'
Common stock	185	184	'	'
Capital in excess of par value	178,477	222,978	'	'
Accumulated other comprehensive income	-21,294	12,943	11,202	6,524
Retained earnings	473,962	433,228	'	'
Treasury stock	-248,280	-248,280	'	'
Total stockholders' equity	383,050	421,054	'	'
Total liabilities and stockholders' equity	4,515,763	4,375,148	'	'
WSFS Bank [Member]	'	'	'	'
Assets:	'	'	'	'
Cash	19,311	62,244	13,046	19,521
Investment securities, available-for-sale	'	7,096	'	'
Investment in subsidiaries	481,896	471,236	'	'
Investment in Capital Trust III	2,011	2,011	'	'
Other assets	2,920	2,451	'	'
Total assets	506,138	545,038	'	'
Liabilities:	'	'	'	'
Trust Preferred	67,011	67,011	'	'
Senior debt	55,000	55,000	'	'
Interest payable	399	407	'	'
Other liabilities	678	1,566	'	'
Total liabilities	123,088	123,984	'	'
Stockholders' Equity:	'	'	'	'
Preferred stock	'	1	'	'
Common stock	185	184	'	'
Capital in excess of par value	178,477	222,978	'	'
Accumulated other comprehensive income	-21,294	12,943	'	'
Retained earnings	473,962	433,228	'	'
Treasury stock	-248,280	-248,280	'	'
Total stockholders' equity	383,050	421,054	'	'
Total liabilities and stockholders' equity	$506,138	$545,038	'	'

Parent_Company_Financial_Infor3

Parent Company Financial Information - Condensed Statement of Operations (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income:	'	'	'	'	'	'	'	'	'	'	'
Reverse mortgage consolidation gain	'	'	'	'	'	'	'	'	$3,801	'	'
Total revenue	'	'	'	'	'	'	'	'	243,725	256,178	241,080
Expenses:	'	'	'	'	'	'	'	'	'	'	'
Interest expense	3,787	3,710	3,826	4,011	5,289	5,621	5,685	6,693	15,334	23,288	32,605
Other operating expenses	'	'	'	'	'	'	'	'	21,142	18,533	17,589
Net interest income	-34,546	-33,406	-32,056	-31,580	-31,498	-30,893	-32,078	-32,530	-131,588	-126,999	-126,037
Income (loss) before equity in undistributed income of subsidiaries	18,452	21,370	16,763	15,053	11,833	14,737	11,670	10,054	71,638	48,294	34,152
Net income	12,074	14,160	10,908	9,740	7,558	9,979	7,330	6,444	46,882	31,311	22,677
Dividends on preferred stock and accretion of discount	'	-332	-609	-692	-693	-693	-692	-692	-1,633	-2,770	-2,770
Net income allocable to common stockholders	12,074	13,828	10,299	9,048	6,865	9,286	6,638	5,752	45,249	28,541	19,907
WSFS Bank [Member]	'	'	'	'	'	'	'	'	'	'	'
Income:	'	'	'	'	'	'	'	'	'	'	'
Interest income	'	'	'	'	'	'	'	'	2,455	1,853	1,021
Noninterest income	'	'	'	'	'	'	'	'	9,983	139	153
Reverse mortgage consolidation gain	'	'	'	'	'	'	'	'	3,801	'	'
Total revenue	'	'	'	'	'	'	'	'	16,239	1,992	1,174
Expenses:	'	'	'	'	'	'	'	'	'	'	'
Interest expense	'	'	'	'	'	'	'	'	5,113	2,776	1,375
Other operating expenses	'	'	'	'	'	'	'	'	-737	-186	419
Net interest income	'	'	'	'	'	'	'	'	4,376	2,590	1,794
Income (loss) before equity in undistributed income of subsidiaries	'	'	'	'	'	'	'	'	11,863	-598	-620
Equity in undistributed income of subsidiaries	'	'	'	'	'	'	'	'	35,019	31,909	23,297
Net income	'	'	'	'	'	'	'	'	46,882	31,311	22,677
Dividends on preferred stock and accretion of discount	'	'	'	'	'	'	'	'	-1,633	-2,770	-2,770
Net income allocable to common stockholders	'	'	'	'	'	'	'	'	$45,249	$28,541	$19,907

Parent_Company_Financial_Infor4

Parent Company Financial Information - Condensed Statement of Cash Flows (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating activities:	'	'	'	'
Net income	$46,882	$31,311	$22,677	'
Adjustments to reconcile net income to net cash used for operating activities:	'	'	'	'
Reverse mortgage consolidation gain	-3,801	'	'	'
Decrease (increase) in other assets	5,470	2,491	-3,076	'
Increase in other liabilities	-12,465	4,763	13,152	'
Net cash provided by operating activities	57,381	103,032	76,348	'
Investing activities:	'	'	'	'
Net cash used for investing activities	-172,460	-115,250	-280,816	'
Financing Activities:	'	'	'	'
Issuance of common stock	4,353	2,503	1,124	47,100
Proceeds from the issuance of long-term debt	'	52,681	'	'
Redemption of preferred stock	-52,625	'	'	'
Repurchase of common stock warrants	'	-1,800	'	'
Cash dividends paid	-5,998	-6,810	-6,718	'
Net cash provided by financing activities	98,618	45,088	295,726	'
Increase (decrease) in cash	-16,461	32,870	91,258	'
Cash and cash equivalents at beginning of year	500,887	468,017	376,759	'
Cash and cash equivalents at end of year	484,426	500,887	468,017	376,759
WSFS Bank [Member]	'	'	'	'
Operating activities:	'	'	'	'
Net income	46,882	31,311	22,677	'
Adjustments to reconcile net income to net cash used for operating activities:	'	'	'	'
Equity in undistributed income of subsidiaries	-35,019	-31,909	-23,297	'
Reverse mortgage consolidation gain	-3,801	'	'	'
Increase in capitalized interest	-801	-693	-280	'
Decrease (increase) in other assets	3,831	3,531	-98	'
Increase in other liabilities	245	384	32	'
Net cash provided by operating activities	11,337	2,624	-966	'
Investing activities:	'	'	'	'
Purchase of mortgage backed securities	'	'	-2,500	'
Net cash used for investing activities	'	'	-2,500	'
Financing Activities:	'	'	'	'
Issuance of common stock	4,353	2,503	3,709	'
Proceeds from the issuance of long-term debt	'	52,681	'	'
Redemption of preferred stock	-52,625	'	'	'
Repurchase of common stock warrants	'	-1,800	'	'
Cash dividends paid	-5,998	-6,810	-6,718	'
Net cash provided by financing activities	-54,270	46,574	-3,009	'
Increase (decrease) in cash	-42,933	49,198	-6,475	'
Cash and cash equivalents at beginning of year	62,244	13,046	19,521	'
Cash and cash equivalents at end of year	$19,311	$62,244	$13,046	'

Change_in_Accumulated_Other_Co2

Change in Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income (Loss) (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]	'	'	'
Beginning Balance	$12,943	$11,202	$6,524
Other comprehensive income (loss) before reclassifications	-32,057	15,024	7,702
Less: Amounts reclassified from accumulated other comprehensive loss	-2,180	-13,283	-3,024
Total other comprehensive (loss) income	-34,237	1,741	4,678
Ending Balance	-21,294	12,943	11,202
Net Unrealized Losses on Defined Benefit Pension Plan [Member]	'	'	'
Accumulated Other Comprehensive Income (Loss) [Line Items]	'	'	'
Beginning Balance	-472	-472	-472
Other comprehensive income (loss) before reclassifications	'	'	'
Less: Amounts reclassified from accumulated other comprehensive loss	'	'	'
Total other comprehensive (loss) income	'	'	'
Ending Balance	-472	-472	-472
Net Unrealized Gains on Investment Securities Available For Sale [Member]	'	'	'
Accumulated Other Comprehensive Income (Loss) [Line Items]	'	'	'
Beginning Balance	13,415	11,674	6,996
Other comprehensive income (loss) before reclassifications	-32,057	15,024	7,702
Less: Amounts reclassified from accumulated other comprehensive loss	-2,180	-13,283	-3,024
Total other comprehensive (loss) income	-34,237	1,741	4,678
Ending Balance	($20,822)	$13,415	$11,674

Change_in_Accumulated_Other_Co3

Change in Accumulated Other Comprehensive Income - Components of Other Comprehensive Income (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Realized gains on securities transactions	$18,452	$21,370	$16,763	$15,053	$11,833	$14,737	$11,670	$10,054	$71,638	$48,294	$34,152
Income taxes	-6,378	-7,210	-5,855	-5,313	-4,275	-4,758	-4,340	-3,610	-24,756	-16,983	-11,475
Net Unrealized Gains on Investment Securities Available For Sale [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]	'	'	'	'	'	'	'	'	'	'	'
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'	'	'	'	'	'	'	'	'	'	'
Realized gains on securities transactions	'	'	'	'	'	'	'	'	3,516	21,425	4,878
Income taxes	'	'	'	'	'	'	'	'	-1,336	-8,142	-1,854
Net of tax	'	'	'	'	'	'	'	'	$2,180	$13,283	$3,024

Legal_and_Other_Proceedings_Ad

Legal and Other Proceedings - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013
Minimum [Member]	'
Gain Contingencies [Line Items]	'
Reasonably possible losses for loan proceedings	$250,000
Maximum [Member]	'
Gain Contingencies [Line Items]	'
Reasonably possible losses for loan proceedings	5,000,000
Goldstein Case [Member]	'
Gain Contingencies [Line Items]	'
Disputed amount	$5,000,000

Subsequent_Events_Additional_I

Subsequent Events - Additional Information (Detail) (USD $)	12 Months Ended			3 Months Ended	1 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2014	Jan. 31, 2014
				Scenario, Forecast [Member]	Subsequent Event [Member]
Subsequent Event [Line Items]	'	'	'	'	'
Income tax benefit	$24,756	$16,983	$11,475	'	$6,600
Impact diluted EPS and tangible book value per share	'	'	'	$0.74	'

Quarterly_Financial_Summary_Qu

Quarterly Financial Summary - Quarterly Financial Summary (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract]	'	'	'	'	'	'	'	'	'	'	'
Interest income	$38,333	$37,116	$35,882	$35,591	$36,787	$36,514	$37,763	$39,223	$146,922	$150,287	$158,642
Interest expense	3,787	3,710	3,826	4,011	5,289	5,621	5,685	6,693	15,334	23,288	32,605
Net interest income	34,546	33,406	32,056	31,580	31,498	30,893	32,078	32,530	131,588	126,999	126,037
Provision for loan losses	1,292	1,969	1,680	2,231	3,674	3,751	16,383	8,245	7,172	32,053	27,996
Net interest income after provision for loan losses	33,254	31,437	30,376	29,349	27,824	27,142	15,695	24,285	124,416	94,946	98,041
Noninterest income	19,796	22,742	19,539	18,074	21,195	19,748	28,992	16,758	80,151	86,693	63,588
Noninterest expenses	34,598	32,809	33,152	32,370	37,186	32,153	33,017	30,989	132,929	133,345	127,477
Income (loss) before taxes	18,452	21,370	16,763	15,053	11,833	14,737	11,670	10,054	71,638	48,294	34,152
Income tax provision (benefit)	6,378	7,210	5,855	5,313	4,275	4,758	4,340	3,610	24,756	16,983	11,475
Net income	12,074	14,160	10,908	9,740	7,558	9,979	7,330	6,444	46,882	31,311	22,677
Dividends on preferred stock and accretion of discount	'	332	609	692	693	693	692	692	1,633	2,770	2,770
Net Income (loss) allocable to common stockholders	$12,074	$13,828	$10,299	$9,048	$6,865	$9,286	$6,638	$5,752	$45,249	$28,541	$19,907
Earnings per share:	'	'	'	'	'	'	'	'	'	'	'
Basic	$1.36	$1.57	$1.17	$1.03	$0.79	$1.07	$0.76	$0.66	$5.13	$3.28	$2.31
Diluted	$1.33	$1.54	$1.16	$1.02	$0.78	$1.06	$0.76	$0.66	$5.06	$3.25	$2.28