Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 29,517	$ 22,820
Adjustments to reconcile net income to net cash provided by operating activities:
Net amortization on loans	11,750	13,591
Net amortization on securities and borrowings	9,635	7,069
Net provision for loan and real estate losses	14,437	21,821
Depreciation and amortization	5,786	5,942
Net gain on sales of loans and securities	(7,587)	(7,382)
Net (gain) loss on dispositions of premises and equipment	(15)	58
Other asset impairment charges	35	223
Originations of loans held-for-sale	(177,579)	(175,628)
Proceeds from sales and principal repayments of loans held-for-sale	227,304	171,886
Stock-based compensation and allocation of ESOP stock	8,528	7,374
Decrease in accrued interest receivable	912	1,555
Mortgage servicing rights amortization and valuation allowance adjustments, net	(627)	2,515
Bank owned life insurance income and insurance proceeds received, net	(1,055)	(3,705)
Decrease in other assets	4,512	58,705
(Decrease) increase in accrued expenses and other liabilities	(9,130)	13,980
Net cash provided by operating activities	116,423	140,824
Cash flows from investing activities:
Originations of loans receivable	(1,226,225)	(2,051,521)
Loan purchases through third parties	(163,266)	(666,513)
Principal payments on loans receivable	1,884,516	2,204,650
Proceeds from sales of delinquent and non-performing loans	14,874	19,734
Purchases of securities held-to-maturity	(646,066)	(339,611)
Purchases of securities available-for-sale	(126,975)	(157,480)
Principal payments on securities held-to-maturity	445,030	457,657
Principal payments on securities available-for-sale	67,745	81,953
Proceeds from sales of securities available-for-sale	41,640	54,318
Net redemptions (purchases) of Federal Home Loan Bank of New York stock	22,456	(49,809)
Proceeds from sales of real estate owned, net	23,742	35,918
Purchases of premises and equipment	(3,287)	(4,308)
Net cash provided by (used in) investing activities	334,184	(415,012)
Cash flows from financing activities:
Net decrease in deposits	(198,626)	(531,435)
Net (decrease) increase in borrowings with original terms of three months or less	(73,000)	698,000
Proceeds from borrowings with original terms greater than three months		850,000
Repayments of borrowings with original terms greater than three months	(278,866)	(494,000)
Cash payments for debt issuance costs		(1,548)
Net increase in mortgage escrow funds	13,615	17,876
Proceeds from issuance of preferred stock	135,000
Cash payments for preferred stock issuance costs	(5,111)
Cash dividends paid to stockholders	(7,835)	(16,394)
Net tax benefit shortfall from stock-based compensation	(1,326)	(1,893)
Net cash (used in) provided by financing activities	(416,149)	520,606
Net increase in cash and cash equivalents	34,458	246,418
Cash and cash equivalents at beginning of period	121,473	132,704
Cash and cash equivalents at end of period	155,931	379,122
Supplemental disclosures:
Interest paid	98,884	137,480
Income taxes paid	9,521	1,694
Additions to real estate owned	17,749	21,483
Loans transferred to held-for-sale	$ 14,684	$ 1,547