Consolidated Statement of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Net Cash Provided By Used In Operating Activities Abstract
Net Income	$ 16,515	$ 12,037
Provision for loan losses	21,048	31,980
Depreciation, accretion and amortization	7,991	4,725
Decrease in accrued interest receivable	439	682
Increase in other assets	(5,070)	(7,947)
Origination of loans held for sale	(69,659)	(102,598)
Proceeds from sales of loans held-for-sale	77,844	99,102
Gain on mortgage banking activity	(1,035)	(1,145)
Gain on mark to market adjustment on trading securities	0	(249)
Gain on sale of securities,net	(2,953)	(1,775)
Stock-based compensation expense, net of tax benefit recognized	1,216	773
Excess tax benefits from share-based payment arrangements	(587)	(323)
Increase in accrued interest payable	5,216	6,245
Increase in other liabilities	11,884	10,589
Loss on sale of assets acquired through foreclosure and valuation adjustments, net	2,447	3,577
Increase in value of bank-owned life insurance	(1,795)	(596)
Capitalized interest, net	1	144
Net cash provided by operating activities	63,502	55,221
Net Cash Provided By Used In Investing Activities
Maturities of investment securities	11,727	3,540
Sale of Investment Securities Available for Sale	6,050	0
Purchase of Investments availalble-for sale	(13,159)	(7,081)
Sales of Mortgage Backed Securities available for sale	210,211	92,493
Repayments of Mortgage backed Securities available for sale	130,184	142,612
Purchases of mortgage-backed securities available-for-sale	(402,118)	(264,464)
Disbursements for reverse mortgages	(396)	(145)
Net increase in loans	(118,138)	(27,143)
Payment of bank-owned life insurance	2,885	0
Net Decrease In Stock Of Federal Home Loan Bank of Pittsburgh	(102)	0
Sales of assets acquired through foreclosure, net	9,088	6,324
Investment in premises and equipment, net	(8,067)	(3,621)
Net Cash Provided By Used In Investing Activities	(171,835)	(57,485)
Net Cash Provided By Used In Financing Activities
Net increase in demand and savings deposits	162,096	192,696
Net (decrease) increase in time deposits	(14,975)	42,731
Net decrease in brokered deposits	(28,245)	(95,901)
Receipts from federal funds purchased and securities sold under agreement to repurchase	3,103,525	13,795,000
Repayments of federal funds purcased and securities sold under agreement to repurchase	(3,103,525)	(13,795,000)
Receipts from FHLB advances	9,846,709	19,767,639
Repayments of FHLB advances	(9,766,892)	(19,935,582)
Dividends paid	(5,067)	(4,527)
Issuance of common stock and exercise of common stock options	914	47,931
Excess tax benefits from share-based payment arrangements	587	323
Net cash provided by financing activities	195,127	15,310
Cash and Cash Equivalents Increase (Decrease)
Increase cash and cash equivalents	86,794	13,046
Cash and cash equivalents at beginning of period	376,759	321,749
Cash and cash equivalents end of period	463,553	334,795
Supplemental Disclosure of Cash Flows Information
Cash paid for interest during the period	20,220	47,148
Cash paid for income taxes,net	336	7,485
Loans transferred to assets acquired through foreclosure	14,391	6,101
Net change in other comprehensive income	5,805	11,687
Settlement of pending sale of premisies and equipment	$ 0	$ 6,515