Consolidated Statement of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash and Cash Equivalents Increase Decrease Abstract
Increases (decrease) cash and cash equivalents	$ 114,407	$ 378
Cash and cash equivalents at beginning of period	376,759	321,749
Cash and cash equivalents end of period	491,166	322,127
Net Cash Provided By Used In Financing Activities Abstract
Net increase in demand and savings deposits	155,070	99,346
Net (decrease) increase in time deposits	(29,834)	19,390
Net decrease in brokered deposits	(82,321)	(46,109)
Receipts from federal funds purchased and securities sold under agreement to repurchase	8,525,000	9,245,000
Repayments of federal funds purcased and securities sold under agreement to repurchase	(8,525,000)	(9,245,000)
Receipts from FHLB advances	7,907,471	15,593,383
Repayments of FHLB advances	(7,762,343)	(15,634,455)
Dividends paid	(3,376)	(3,016)
Issuance of common stock and exercise of common stock options	838	920
Excess tax benefits from share-based payment arrangements	75	263
Net cash provided by financing activities	185,580	29,722
Net Cash Provided By Used In Investing Activities Abstract
Maturities of investment securities	11,552	2,500
Sale of Investment Securities Available for Sale	6,050	0
Purchase of Investments availalble-for sale	(4,027)	(2,002)
Sales of Mortgage Backed Securities available for sale	117,075	45,979
Purchases of mortgage-backed securities available-for-sale	(261,847)	(192,700)
Repayments of Mortgage backed Securities available for sale	89,879	90,523
Disbursements for reverse mortgages	(351)	(97)
Net increase in loans	(80,350)	(5,872)
Net Decrease In Stock Of Federal Home Loan Bank of Pittsburgh	1,855	0
Sales of assets acquired through foreclosure, net	7,303	926
Investment in premises and equipment, net	(4,886)	(2,165)
Net Cash Provided By Used In Investing Activities	(117,747)	(62,908)
Net Cash Provided By Used In Operating Activities Abstract
Net Income	9,729	3,815
Provision for loan losses	14,490	22,004
Increase (decrease) in accrued interest receivable and other assets	4,658	(5,597)
Depreciation, accretion and amortization	4,995	2,973
Non-Routine ATM Losses	0	4,491
Origination of loans held for sale	(47,393)	(54,225)
Proceeds from sales of loans held-for-sale	59,329	52,543
Gain on mortgage banking activity	(778)	(499)
Loss on mark to market adjustment on trading securities	0	62
Gain on sale of securities,net	(1,018)	(330)
Stock-based compensation expense, net of tax benefit recognized	441	372
Excess tax benefits from share-based payment arrangements	(75)	(263)
Increase in accrued interest payable and other liabiliies	1,958	4,994
Loss on sale of assets acquired through foreclosure and valuation adjustments,net	1,765	3,563
Increase in value of bank-owned life insurance	(1,598)	(415)
Decrease in capitalized interest, net	71	76
Net cash provided by operating activities	46,574	33,564
Supplemental Disclosure of Cash Flows
Cash paid for interest during the period	13,385	17,660
Cash paid for income taxes,net	317	4,659
Loans transferred to assets acquired through foreclosure	5,187	4,972
Net change in other comprehensive income	$ 467	$ 10,840