Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Activities
Net income	$ 37,752	$ 34,331	$ 35,348
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	13,935	21,000	21,500
Depreciation and amortization of premises and equipment	2,953	3,207	3,185
Origination of loans held for sale			(3,865)
Proceeds from sale of loans held for sale			4,208
Net loss (gain) on sales of loans held for sale	108	9	(343)
Net gain on sales of loans (including delinquent loans)	(284)	(31)	(168)
Net gain on sales of securities	(3,021)	(47)
Other-than-temporary impairment charge on securities	1,419	776	1,578
Amortization of premium, net of accretion of discount	7,588	6,643	5,872
Fair value adjustment for financial assets and financial liabilities	2,521	(55)	(1,960)
Income from bank owned life insurance	(3,363)	(2,790)	(2,769)
Stock based compensation expense	3,412	3,260	2,686
Deferred compensation	(790)	(86)	512
Amortization of core deposit intangibles	468	469	468
Excess tax provision (benefits) from stock-based payment arrangements	(443)	303	(292)
Deferred income tax provision (benefit)	(682)	(804)	685
Net decrease in prepaid FDIC assessment	3,287	3,888	4,068
Increase in other assets	(1,410)	(3,695)	(1,638)
Increase (decrease) in other liabilities	10,985	4,719	(4,355)
Net cash provided by operating activities	74,435	71,097	64,720
Investing Activities
Purchases of premises and equipment	(809)	(1,290)	(4,561)
Net (purchases) redemption of Federal Home Loan Bank-NY shares	(3,688)	(12,092)	1,361
Purchases of securities available for sale	(458,596)	(311,654)	(157,741)
Proceeds from sales and calls of securities available for sale	194,009	12,637	8,000
Proceeds from maturities and prepayments of securities available for sale	149,387	170,798	154,600
Net (originations) and repayments of loans	(236,582)	(78,379)	12,773
Purchases of loans	(10,189)	(3,456)	(19,053)
Proceeds from sale of delinquent loans	35,681	44,223	27,817
Purchase of bank owned life insurance		(20,000)	(4,556)
Proceeds from sale of Real Estate Owned	4,763	1,225	4,053
Net cash provided by (used in) investing activities	(326,024)	(197,988)	22,693
Financing Activities
Net increase in non-interest bearing deposits	41,554	37,282	22,309
Net (decrease) increase in interest bearing deposits	174,715	(172,193)	(70,332)
Net increase in mortgagors' escrow deposits	238	2,774	2,471
Net proceeds (repayments) from short-term borrowed funds	(102,500)	132,000
Proceeds from long-term borrowings	269,346	212,518	245,447
Repayment of long-term borrowings	(109,911)	(80,000)	(258,076)
Purchases of treasury stock	(14,151)	(5,551)	(7,722)
Excess tax benefits (provision) from stock-based payment arrangements	443	(303)	292
Proceeds from issuance of common stock upon exercise of stock options	533	885	2,040
Cash dividends paid	(15,618)	(15,817)	(15,910)
Net cash (used in) provided by financing activities	244,649	111,595	(79,481)
Net (decrease) increase in cash and cash equivalents	(6,940)	(15,296)	7,932
Cash and cash equivalents, beginning of year	40,425	55,721	47,789
Cash and cash equivalents, end of year	33,485	40,425	55,721
Supplemental Cash Flow Disclosure
Interest paid	53,602	62,368	75,914
Income taxes paid	21,389	21,947	22,917
Taxes paid if excess tax benefits on stock-based compensation were not tax deductible	21,832	21,644	23,209
Non-cash activities:
Loans transferred to Other Real Estate Owned	5,369	6,127	7,286
Loans provided for the sale of Other Real Estate Owned	3,011	2,110	1,655
Loans held for investment transferred to loans held for sale	13,008	12,200
Loans held for sale transferred to loans held for investment	$ 2,214	$ 400