Consolidated Statements of Financial Condition (Unaudited) (USD $)	Jun. 30, 2014	Dec. 31, 2013
ASSETS
Cash and due from banks	$ 36,982,000	$ 33,485,000
Mortgage-backed securities ($5,182 and $7,119 at fair value pursuant to the fair value option at June 30, 2014 and December 31, 2013, respectively)	770,545,000	756,156,000
Other securities ($33,718 and $30,163 at fair value pursuant to the fair value option at June 30, 2014 and December 31, 2013 respectively)	288,137,000	261,634,000
Loans held for sale		425,000
Loans:
Loans Receivable	3,521,726,000	3,423,008,000
Net unamortized premiums and unearned loan fees	10,811,000	11,170,000
Allowance for loan losses	(29,235,000)	(31,776,000)
Net loans	3,503,302,000	3,402,402,000
Interest and dividends receivable	17,524,000	17,370,000
Bank premises and equipment, net	19,779,000	20,356,000
Federal Home Loan Bank of New York stock	51,407,000	46,025,000
Bank owned life insurance	111,137,000	109,606,000
Goodwill	16,127,000	16,127,000
Other assets	38,872,000	57,915,000
Total assets	4,853,812,000	4,721,501,000
LIABILITIES
Non-interest bearing	213,263,000	197,343,000
Certificate of deposit accounts	1,159,897,000	1,120,955,000
Savings accounts	254,665,000	265,003,000
Money market accounts	272,679,000	199,907,000
NOW accounts	1,297,480,000	1,416,774,000
Total interest-bearing deposits	2,984,721,000	3,002,639,000
Mortgagors' escrow deposits	40,987,000	32,798,000
Borrowed funds ($29,388 and $29,570 at fair value pursuant to the fair value option at June 30, 2014 and December 31, 2013, respectively)	966,202,000	856,822,000
Securities sold under agreements to repurchase	146,000,000	155,300,000
Other liabilities	42,132,000	44,067,000
Total liabilities	4,393,305,000	4,288,969,000
Commitments and contingencies (Notes 4 & 5)
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 June 30, 2014 and December 31, 2013; 30,185,040 shares and 30,123,252 shares outstanding at June 30, 2014 and December 31, 2013, respectively)	315,000	315,000
Additional paid-in capital	205,322,000	201,902,000
Treasury stock, at average cost (1,345,555 shares and 1,407,343 shares at June 30, 2014 and December 31, 2013, respectively)	(22,048,000)	(22,053,000)
Retained earnings	276,269,000	263,743,000
Accumulated other comprehensive (loss) income, net of taxes	649,000	(11,375,000)
Total stockholders' equity	460,507,000	432,532,000
Total liabilities and stockholders' equity	4,853,812,000	4,721,501,000
Multi-Family Residential [Member]
Loans:
Loans Receivable	1,784,111,000	1,712,039,000
Commercial Real Estate Loans [Member]
Loans:
Loans Receivable	510,224,000	512,552,000
One-To-Four Family - Mixed-Use Property [Member]
Loans:
Loans Receivable	581,207,000	595,751,000
One-To-Four Family - Residential [Member]
Loans:
Loans Receivable	192,895,000	193,726,000
Co-Operative Apartments [Member]
Loans:
Loans Receivable	9,885,000	10,137,000
Construction [Member]
Loans:
Loans Receivable	4,717,000	4,247,000
Small Business Administration [Member]
Loans:
Loans Receivable	7,543,000	7,792,000
Taxi Medallion [Member]
Loans:
Loans Receivable	25,291,000	13,123,000
Commercial Business And Other [Member]
Loans:
Loans Receivable	$ 405,853,000	$ 373,641,000