Consolidated Statements of Financial Condition (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Cash and due from banks	$ 58,677	$ 118,561
Securities held-to-maturity:
Held to maturity securities	30,481	32,018
Securities available for sale, at fair value:
Securities available for sale	846,024	822,655
Loans:
Net unamortized premiums and unearned loan fees	15,422	15,188
Allowance for loan losses	(21,015)	(20,945)
Net loans	5,567,731	5,530,539
Interest and dividends receivable	27,226	25,485
Bank premises and equipment, net	29,798	30,418
Federal Home Loan Bank of New York stock, at cost	51,182	57,282
Bank owned life insurance	131,794	131,788
Goodwill	16,127	16,127
Operating lease ROU assets	44,033
Other assets	64,377	69,303
Total assets	6,867,450	6,834,176
Liabilities
Non-interest bearing	401,064	413,747
Interest-bearing	4,609,030	4,502,176
Total Deposits	5,010,094	4,915,923
Mortgagors' escrow deposits	70,115	44,861
Borrowed funds:
Federal Home Loan Bank advances	999,401	1,134,993
Subordinated debentures	74,074	74,001
Junior subordinated debentures, at fair value	42,941	41,849
Total borrowed funds	1,116,416	1,250,843
Operating lease liabilities	52,510
Other liabilities	58,756	73,085
Total liabilities	6,307,891	6,284,712
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 March 31, 2019 and December 31, 2018;28,187,184 shares and 27,983,637 shares outstanding at March 31, 2019 and December 31, 2018, respectively)	315	315
Additional paid-in capital	222,859	222,720
Treasury stock, at average cost (3,343,411 shares and 3,546,958 shares at March 31, 2019 and December 31, 2018, respectively)	(70,929)	(75,146)
Retained earnings	417,856	414,327
Accumulated other comprehensive loss, net of taxes	(10,542)	(12,752)
Total stockholders' equity	559,559	549,464
Total liabilities and stockholders' equity	6,867,450	6,834,176
Multi-Family Residential [Member]
Loans:
Loans receivable	2,256,447	2,269,048
Commercial Real Estate Portfolio Segment [Member]
Loans:
Loans receivable	1,529,001	1,542,547
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Loans:
Loans receivable	582,049	577,741
One-To-Four Family - Residential Portfolio Segment [Member]
Loans:
Loans receivable	188,615	190,350
Co-Operative Apartments Portfolio Segment [Member]
Loans:
Loans receivable	7,903	8,498
Construction Portfolio Segment [Member]
Loans:
Loans receivable	54,933	50,600
Small Business Administration Portfolio Segment [Member]
Loans:
Loans receivable	15,188	15,210
Taxi Medallion Portfolio Segment [Member]
Loans:
Loans receivable	3,891	4,539
Commercial Business and Other Portfolio Segment [Member]
Loans:
Loans receivable	935,297	877,763
Collateralized Mortgage Backed Securities [Member]
Securities held-to-maturity:
Held to maturity securities	7,949	7,953
Securities available for sale, at fair value:
Securities available for sale	579,185	557,953
Other Debt Obligations [Member]
Securities held-to-maturity:
Held to maturity securities	22,532	24,065
Securities available for sale, at fair value:
Securities available for sale	$ 266,839	$ 264,702