CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income	$ 53,091	$ 67,209	$ 73,734
Adjustments to reconcile net income to net cash provided by operating activities:
Net amortization on loans	26,101	28,810	34,060
Net amortization on securities and borrowings	16,762	8,288	2,976
Net provision for loan and real estate losses	43,314	41,039	117,805
Depreciation and amortization	11,861	11,684	11,286
Net gain on sales of loans and securities	(17,333)	(3,681)	(6,971)
Net loss (gain) on dispositions of premises and equipment	49	312	(134)
Other asset impairment charges	272	444	1,688
Originations of loans held-for-sale	(380,356)	(196,060)	(289,817)
Proceeds from sales and principal repayments of loans held-for-sale	324,520	218,969	287,609
Stock-based compensation and allocation of ESOP stock	15,356	25,407	19,618
Decrease in accrued interest receivable	4,840	8,964	10,629
Mortgage servicing rights amortization and valuation allowance adjustments, net	4,840	3,398	2,747
Bank owned life insurance income and insurance proceeds received, net	(8,518)	781	(8,683)
Decrease (increase) in other assets	100,849	36,057	(3,157)
(Decrease) increase in accrued expenses and other liabilities	(8,235)	(23,928)	11,961
Net cash provided by operating activities	187,413	227,693	265,351
Cash flows from investing activities:
Originations of loans receivable	(3,272,511)	(2,651,863)	(2,545,265)
Loan purchases through third parties	(942,873)	(1,118,921)	(442,525)
Principal payments on loans receivable	4,135,995	4,495,679	4,240,668
Proceeds from sales of delinquent and non-performing loans	23,220	26,408	53,667
Purchases of securities held-to-maturity	(533,687)	(967,803)	(958,529)
Purchases of securities available-for-sale	(256,901)
Principal payments on securities held-to-maturity	948,994	832,886	1,269,765
Principal payments on securities available-for-sale	201,147	213,295	298,208
Proceeds from sales of securities available-for-sale	60,318
Net (purchases) redemptions of Federal Home Loan Bank of New York stock	(39,527)	17,507	29,755
Proceeds from sales of real estate owned, net	59,892	87,004	81,023
Purchases of premises and equipment	(6,435)	(12,976)	(10,093)
Proceeds from sales of premises and equipment		14,396	125
Net cash provided by investing activities	377,632	935,612	2,016,799
Cash flows from financing activities:
Net decrease in deposits	(801,656)	(353,386)	(1,213,238)
Net increase (decrease) in borrowings with original terms of three months or less	448,000	168,000	(84,000)
Proceeds from borrowings with original terms greater than three months	950,000	200,000	525,000
Repayments of borrowings with original terms greater than three months	(1,144,000)	(1,116,000)	(1,450,000)
Cash payments for debt issuance costs	(2,653)
Net increase (decrease) in mortgage escrow funds	2,260	1,467	(4,662)
Cash dividends paid to stockholders	(24,104)	(49,435)	(48,692)
Cash received for options exercised			112
Net tax benefit (shortfall) excess from stock-based compensation	(4,123)	(263)	776
Net cash used in financing activities	(576,276)	(1,149,617)	(2,274,704)
Net (decrease) increase in cash and cash equivalents	(11,231)	13,688	7,446
Cash and cash equivalents at beginning of year	132,704	119,016	111,570
Cash and cash equivalents at end of year	121,473	132,704	119,016
Supplemental disclosures:
Interest paid	258,503	322,225	424,321
Income taxes paid	6,002	40,420	49,736
Additions to real estate owned	43,270	75,320	101,390
Loans transferred to held-for-sale	$ 6,501	$ 36,482	$ 61,843