Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest and dividend income
Interest and fees on loans	$ 181,486	$ 191,454	$ 197,469
Interest and dividends on securities:
Interest	31,306	32,121	31,252
Dividends	855	811	813
Other interest income	67	112	94
Total interest and dividend income	213,714	224,498	229,628
Interest expense
Deposits	40,382	48,431	53,655
Other interest expense	22,893	28,292	38,112
Total interest expense	63,275	76,723	91,767
Net interest income	150,439	147,775	137,861
Provision for loan losses	21,000	21,500	21,000
Net interest income after provision for loan losses	129,439	126,275	116,861
Non-interest income
Other-than-temporary impairment ("OTTI") charge	(3,138)	(9,365)	(7,130)
Less: Non-credit portion of OTTI charge recorded in
Other Comprehensive Income, before taxes	2,362	7,787	5,085
Net OTTI charge recognized in earnings	(776)	(1,578)	(2,045)
Loan fee income	2,304	1,941	1,695
Banking services fee income	1,703	1,699	1,747
Net (loss) gain on sale of loans held for sale	(9)	343
Net gain on sale of loans	31	168	17
Net (loss) gain on sale of securities	47		(10)
Net gain from fair value adjustments	55	1,960	47
Federal Home Loan Bank of New York stock dividends	1,507	1,502	2,102
Bank owned life insurance	2,790	2,769	2,638
Other income	1,413	1,477	2,109
Total non-interest income	9,065	10,281	8,300
Non-interest expense
Salaries and employee benefits	42,503	38,262	34,785
Occupancy and equipment	7,807	7,803	7,246
Professional services	6,108	6,697	6,344
FDIC deposit insurance	4,186	4,378	4,889
Data processing	4,101	4,458	3,996
Depreciation and amortization of premises and equipment	3,207	3,185	2,795
Other real estate owned / foreclosure expense	2,964	2,471	1,194
Other operating expenses	11,450	10,485	9,136
Total non-interest expense	82,326	77,739	70,385
Income before income taxes	56,178	58,817	54,776
Provision for income taxes
Federal	16,740	17,749	19,343
State and local	5,107	5,720	(3,402)
Total provision for income taxes	21,847	23,469	15,941
Net income	$ 34,331	$ 35,348	$ 38,835
Basic earnings per common share (in Dollars per share)	$ 1.13	$ 1.15	$ 1.28
Diluted earnings per common share (in Dollars per share)	$ 1.13	$ 1.15	$ 1.28