Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$ 19,307	$ 31,549
Adjustments to reconcile net income to net cash provided by operating activities:
Net amortization on loans	2,883	2,596
Net amortization on securities and borrowings	2,322	2,361
Net provision for loan and real estate losses (credited) charged to operations	(181)	1,953
Depreciation and amortization	3,024	2,901
Net gain on sales of loans	(463)	(465)
Mortgage servicing rights amortization and valuation allowance adjustments, net	1,130	674
Stock-based compensation	1,608	2,016
Originations of loans held-for-sale	(27,463)	(18,129)
Proceeds from sales and principal repayments of loans held-for-sale	27,585	22,622
Increase in accrued interest receivable	(580)	(566)
Bank owned life insurance income and insurance proceeds received, net	(2,197)	(906)
Decrease in other assets	3,648	6,842
(Decrease) increase in accrued expenses and other liabilities	(1,847)	2,440
Net cash provided by operating activities	28,776	55,888
Cash flows from investing activities:
Originations of loans receivable	(389,387)	(292,124)
Loan purchases through third parties	(49,855)	(43,548)
Principal payments on loans receivable	563,529	465,709
Proceeds from sales of delinquent and non-performing loans	5,806	652
Purchases of securities held-to-maturity	(93,428)	(140,526)
Purchases of securities available-for-sale	(37,049)	0
Principal payments on securities held-to-maturity	105,752	81,849
Principal payments on securities available-for-sale	10,949	8,992
Net (purchases) redemptions of Federal Home Loan Bank of New York stock	(868)	1,910
Proceeds from sales of real estate owned, net	6,670	11,500
Purchases of premises and equipment, net of proceeds from sales	(2,977)	(1,635)
Net cash provided by investing activities	119,142	92,779
Cash flows from financing activities:
Net decrease in deposits	(97,880)	(134,232)
Net (decrease) increase in borrowings with original terms of three months or less	(74,000)	58,000
Repayments of borrowings with original terms greater than three months	0	(100,000)
Net increase in mortgage escrow funds	46,729	42,340
Proceeds from sales of treasury stock	6,009	2,012
Cash dividends paid to stockholders	(6,189)	(6,164)
Net tax benefit shortfall from stock-based compensation	(6)	(16)
Net cash used in financing activities	(125,337)	(138,060)
Net increase in cash and cash equivalents	22,581	10,607
Cash and cash equivalents at beginning of period	143,185	121,950
Cash and cash equivalents at end of period	165,766	132,557
Supplemental disclosures:
Interest paid	31,708	35,406
Income taxes paid	1,477	751
Additions to real estate owned	1,269	15,391
Loans transferred to held-for-sale	$ 6,205	$ 726