Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 13,852	$ 9,996
Adjustments to reconcile net income to net cash provided by operating activities:
Net amortization on loans	5,769	6,746
Net amortization on securities and borrowings	4,959	3,406
Net provision for loan and real estate losses	9,784	11,391
Depreciation and amortization	2,971	2,969
Net gain on sales of loans and securities	(4,081)	(4,688)
Net (gain) loss on dispositions of premises and equipment	(6)	52
Other asset impairment charges	33	54
Originations of loans held-for-sale	(97,910)	(77,283)
Proceeds from sales and principal repayments of loans held-for-sale	149,240	72,471
Stock-based compensation and allocation of ESOP stock	4,327	3,022
(Increase) decrease in accrued interest receivable	(809)	805
Mortgage servicing rights amortization and valuation allowance adjustments, net	197	911
Bank owned life insurance income and insurance proceeds received, net	292	(1,501)
Decrease in other assets	8,092	38,366
Decrease in accrued expenses and other liabilities	(3,762)	(4,542)
Net cash provided by operating activities	92,948	62,175
Cash flows from investing activities:
Originations of loans receivable	(530,857)	(925,868)
Loan purchases through third parties	(72,939)	(321,174)
Principal payments on loans receivable	881,198	1,103,257
Proceeds from sales of delinquent and non-performing loans	5,153	15,587
Purchases of securities held-to-maturity	(256,657)	(308,420)
Purchases of securities available-for-sale	(126,975)	(66,350)
Principal payments on securities held-to-maturity	243,048	230,086
Principal payments on securities available-for-sale	34,728	46,118
Proceeds from sales of securities available-for-sale	0	54,318
Net redemptions (purchases) of Federal Home Loan Bank of New York stock	25,692	(14,931)
Proceeds from sales of real estate owned, net	13,320	19,724
Purchases of premises and equipment	(1,864)	(1,463)
Net cash provided by (used in) investing activities	213,847	(169,116)
Cash flows from financing activities:
Net increase (decrease) in deposits	1,375	(132,966)
Net (decrease) increase in borrowings with original terms of three months or less	(365,000)	331,000
Proceeds from borrowings with original terms greater than three months		100,000
Repayments of borrowings with original terms greater than three months	(100,000)	(219,000)
Net increase in mortgage escrow funds	37,916	31,313
Proceeds from issuance of preferred stock	135,000
Cash payments for preferred stock issuance costs	(4,467)
Cash dividends paid to stockholders	(3,918)	(12,545)
Net tax benefit shortfall from stock-based compensation	(1,345)	(1,912)
Net cash (used in) provided by financing activities	(300,439)	95,890
Net increase (decrease) in cash and cash equivalents	6,356	(11,051)
Cash and cash equivalents at beginning of period	121,473	132,704
Cash and cash equivalents at end of period	127,829	121,653
Supplemental disclosures:
Interest paid	44,603	64,389
Income taxes paid	184	1,022
Additions to real estate owned	8,942	12,987
Loans transferred to held-for-sale	$ 9,392