Consolidated Statements of Financial Condition (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 45,094	$ 51,546
Securities held-to-maturity:
Held to maturity securities	31,165	30,886
Securities available for sale, at fair value:
Securities available for sale	761,032	738,354
Loans:
Net unamortized premiums and unearned loan fees	15,226	16,763
Allowance for loan losses	(20,309)	(20,351)
Net loans	5,359,753	5,156,648
Interest and dividends receivable	24,673	21,405
Bank premises and equipment, net	29,929	30,836
Federal Home Loan Bank of New York stock, at cost	54,942	60,089
Bank owned life insurance	131,009	131,856
Goodwill	16,127	16,127
Other assets	85,819	61,527
Total assets	6,539,543	6,299,274
Liabilities
Non-interest bearing	398,606	385,269
Interest-bearing	4,259,042	3,955,403
Mortgagors' escrow deposits	58,667	42,606
Borrowed funds:
Federal Home Loan Bank advances	1,083,031	1,198,968
Subordinated debentures	73,919	73,699
Junior subordinated debentures, at fair value	40,151	36,986
Total borrowed funds	1,197,101	1,309,653
Other liabilities	84,371	73,735
Total liabilities	5,997,787	5,766,666
Stockholders' Equity
Preferred stock ($0.01 par value; 5,000,000 shares authorized; none issued)	0	0
Common stock ($0.01 par value; 100,000,000 shares authorized; 31,530,595 shares issued at September 30, 2018 and December 31, 2017; 28,025,081 shares and 28,588,266 shares outstanding at September 30, 2018 and December 31, 2017, respectively)	315	315
Additional paid-in capital	221,622	217,906
Treasury stock, at average cost (3,505,514 shares and 2,942,329 shares at September 30, 2018 and December 31, 2017, respectively)	(74,222)	(57,675)
Retained earnings	407,590	381,048
Accumulated other comprehensive loss, net of taxes	(13,549)	(8,986)
Total stockholders' equity	541,756	532,608
Total liabilities and stockholders' equity	6,539,543	6,299,274
Multi-Family Residential [Member]
Loans:
Loans receivable	2,235,370	2,273,595
Commercial Real Estate Portfolio Segment [Member]
Loans:
Loans receivable	1,460,555	1,368,112
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Loans:
Loans receivable	565,302	564,206
One-To-Four Family - Residential Portfolio Segment [Member]
Loans:
Loans receivable	188,975	180,663
Co-Operative Apartments Portfolio Segment [Member]
Loans:
Loans receivable	7,771	6,895
Construction Portfolio Segment [Member]
Loans:
Loans receivable	40,239	8,479
Small Business Administration Portfolio Segment [Member]
Loans:
Loans receivable	14,322	18,479
Taxi Medallion Portfolio Segment [Member]
Loans:
Loans receivable	6,078	6,834
Commercial Business and Other Portfolio Segment [Member]
Loans:
Loans receivable	846,224	732,973
Collateralized Mortgage Backed Securities [Member]
Securities held-to-maturity:
Held to maturity securities	7,958	7,973
Securities available for sale, at fair value:
Securities available for sale	528,119	509,650
Other Debt Obligations [Member]
Securities held-to-maturity:
Held to maturity securities	23,207	22,913
Securities available for sale, at fair value:
Securities available for sale	$ 232,913	$ 228,704