Consolidated Statements of Financial Condition (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets:
Cash and due from banks	$ 127,829	$ 121,473
Available-for-sale securities:
Encumbered	68,313	79,851
Unencumbered	360,061	256,449
Total available-for-sale securities	428,374	336,300
Held-to-maturity securities, fair value of $1,732,726 and $1,725,090, respectively:
Encumbered	1,133,462	1,133,193
Unencumbered	575,965	566,948
Total held-to-maturity securities	1,709,427	1,700,141
Federal Home Loan Bank of New York stock, at cost	145,502	171,194
Loans held-for-sale, net	31,548	76,306
Loans receivable	12,911,783	13,223,972
Allowance for loan losses	(144,250)	(145,501)
Loans receivable, net	12,767,533	13,078,471
Mortgage servicing rights, net	8,465	6,947
Accrued interest receivable	42,497	41,688
Premises and equipment, net	114,531	115,632
Goodwill	185,151	185,151
Bank owned life insurance	417,863	418,155
Real estate owned, net	23,487	28,523
Other assets	208,317	216,661
Total assets	16,210,524	16,496,642
Deposits:
Savings	2,752,009	2,802,298
Money market	1,786,472	1,586,556
NOW and demand deposit	2,137,817	2,094,733
Certificates of deposit	3,769,035	3,960,371
Total deposits	10,445,333	10,443,958
Federal funds purchased	125,000
Reverse repurchase agreements	1,100,000	1,100,000
Federal Home Loan Bank of New York advances	2,307,000	2,897,000
Other borrowings, net	376,629	376,496
Mortgage escrow funds	151,017	113,101
Accrued expenses and other liabilities	268,053	272,098
Total liabilities	14,773,032	15,202,653
Stockholders' Equity:
Preferred stock, $1.00 par value; 5,000,000 shares authorized: Series C (150,000 shares authorized; and 135,000 and -0- shares issued and outstanding, respectively)	129,796
Common stock, $.01 par value (200,000,000 shares authorized; 166,494,888 shares issued; and 98,911,526 and 98,419,318 shares outstanding, respectively)	1,665	1,665
Additional paid-in capital	881,966	884,689
Retained earnings	1,895,521	1,891,022
Treasury stock (67,583,362 and 68,075,570 shares, at cost, respectively)	(1,396,584)	(1,406,755)
Accumulated other comprehensive loss	(72,299)	(73,090)
Unallocated common stock held by ESOP (702,449 and 967,013 shares, respectively)	(2,573)	(3,542)
Total stockholders' equity	1,437,492	1,293,989
Total liabilities and stockholders' equity	$ 16,210,524	$ 16,496,642