Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Activities
Net income	$ 35,348	$ 38,835	$ 25,561
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	21,500	21,000	19,500
Depreciation and amortization of premises and equipment	3,185	2,795	2,663
Origination of loans held for sale	(3,865)		(2,005)
Proceeds from sale of loans held for sale	4,208		2,213
Net gain on sales of loans held for sale	(343)		(208)
Net gain on sales of loans (including delinquent loans)	(168)	(17)	(4)
Net loss (gain) on sales of securities		10	(1,401)
Other-than-temporary impairment charge on securities	1,578	2,045	5,894
Amortization of premium, net of accretion of discount	5,872	5,212	4,393
Fair value adjustment for financial assets and financial liabilities	(1,960)	(47)	(4,968)
Income from bank owned life insurance	(2,769)	(2,638)	(2,476)
Stock based compensation expense	2,686	2,249	2,067
Deferred compensation	512	244	1
Amortization of core deposit intangibles	468	469	468
Excess tax provision (benefits) from stock-based payment arrangements	(292)	(12)	184
Deferred income tax provision (benefit)	685	(8,041)	7,872
Net decrease (increase) in prepaid FDIC assesment	4,068	4,572	(15,815)
Increase in other assets	(1,638)	(4,402)	(11,662)
Increase (decrease) in other liabilities	(4,355)	4,913	(4,253)
Net cash provided by operating activities	64,720	67,187	28,024
Investing Activities
Purchases of premises and equipment	(4,561)	(3,006)	(2,687)
Net redemption of Federal Home Loan Bank-NY shares	1,361	14,362	1,697
Purchases of securities available for sale	(157,741)	(397,909)	(189,017)
Proceeds from sales and calls of securities available for sale	8,000	91,788	61,784
Proceeds from maturities and prepayments of
securities available for sale	154,600	188,700	207,601
Net originations and repayments of loans	12,773	(67,047)	(225,999)
Purchases of loans	(19,053)	(14,675)	(43,264)
Proceeds from sale of delinquent loans	27,817	8,845	6,233
Purchase of bank owned life insurance	(4,556)	(4,260)	(9,256)
Proceeds from sale of Real Estate Owned	4,053	2,283	114
Net cash provided by (used in) investing activities	22,693	(180,919)	(192,794)
Financing Activities
Net increase in non-interest bearing deposits	22,309	4,822	21,752
Net (decrease) increase in interest bearing deposits	(70,332)	491,035	206,038
Net increase (decrease) in mortgagors' escrow deposits	2,471	524	(4,434)
Net (repayments) proceeds from short-term borrowed funds		(127,000)	98,700
Proceeds from long-term borrowings	245,447	50,470	79,911
Repayment of long-term borrowings	(258,076)	(271,091)	(255,035)
Purchases of treasury stock	(7,722)	(347)	(231)
Excess tax benefits (provision) from stock-based payment arrangements	292	12	(184)
Proceeds from issuance of common stock upon exercise of stock options	2,040	458	627
Net proceeds from issuance of common shares			101,537
Net repayment from redemption of preferred stock and common stock warrant			(70,900)
Cash dividends paid	(15,910)	(15,788)	(14,989)
Net cash (used in) provided by financing activities	(79,481)	133,095	162,792
Net (decrease) increase in cash and cash equivalents	7,932	19,363	(1,978)
Cash and cash equivalents, beginning of year	47,789	28,426	30,404
Cash and cash equivalents, end of year	55,721	47,789	28,426
Supplemental Cash Flow Disclosure
Interest paid	75,914	91,943	116,124
Income taxes paid	22,917	26,770	9,630
Taxes paid if excess tax benefits on stock-based compensation were not tax deductible	23,209	26,782	9,446
Non-cash activities:
Securities purchase transaction, not yet settled			5,804
Loans transferred to Real Estate Owned	7,286	4,813	2,612
Loans provided for the sale of Real Estate Owned	$ 1,655	$ 3,037	$ 325