Consolidated Statements of Financial Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash and due from banks	$ 40,425	$ 55,721
Mortgage-backed securities (including assets pledged of $679,285 and $595,631 at December 31, 2012 and 2011, respectively; $24,911 and $37,787 at fair value pursuant to the fair value option at December 31, 2012 and 2011, respectively)	720,113	747,288
Other securities ($29,577 and $30,942 at fair value pursuant to the fair value option at December 31, 2012 and 2011, respectively)	229,453	65,242
Loans held for sale	5,313
Loans, net of fees and costs	3,234,121	3,228,881
Less: Allowance for loan losses	(31,104)	(30,344)
Net loans	3,203,017	3,198,537
Interest and dividends receivable	17,917	17,965
Bank premises and equipment, net	22,500	24,417
Federal Home Loan Bank of New York stock	42,337	30,245
Bank owned life insurance	106,244	83,454
Goodwill (in Dollars)	16,127	16,127
Core deposit intangible, net	468	937
Other assets	47,502	48,016
Total assets	4,451,416	4,287,949
Due to depositors:
Non-interest bearing	155,789	118,507
Interest-bearing	2,826,844	2,997,952
Mortgagors' escrow deposits	32,560	29,786
Borrowed funds ($23,922 and $26,311 at fair value pursuant to the fair value option at December 31, 2012 and 2011, respectively)	763,105	499,839
Securities sold under agreements to repurchase	185,300	185,300
Other liabilities	45,453	39,654
Total liabilities	4,009,051	3,871,038
Stockholders' Equity
Preferred stock ($0.01 par value; 5,000,000 shares authorized; none issued)
Common stock ($0.01 par value; 100,000,000 shares authorized; 31,530,595 shares issued at December 31, 2012 and 2011; 30,743,329 and 30,904,177 shares outstanding at December 31, 2012 and 2011, respectively)	315	315
Additional paid-in capital	198,314	195,628
Treasury stock, at average cost (787,266 shares and 626,418 at December 31, 2012 and 2011, respectively)	(10,257)	(7,355)
Retained earnings	241,856	223,510
Accumulated other comprehensive income, net of taxes	12,137	4,813
Total stockholders' equity	442,365	416,911
Total liabilities and stockholders' equity	$ 4,451,416	$ 4,287,949