Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Cash and cash equivalents:
Interest bearing	$ 428,746	$ 173,962
Noninterest bearing	109,942	125,916
Total cash and cash equivalents	538,688	299,878
Restricted cash	6,747	31,672
Investments and mortgage-backed securities (MBS):
Available for sale	1,429,812	1,513,157
Held to maturity	165	206
Loans held for sale, at fair value	138,952	465,983
Loans receivable, net ($26,462 and $23,177 at fair value)	7,331,228	6,101,749
Accrued interest receivable	28,493	28,019
Other real estate owned, net (OREO)	8,047	25,042
Properties and equipment, net	101,610	93,850
Bank-owned life insurance (BOLI)	191,553	179,828
Goodwill	52,018	22,577
Other intangible assets, net	15,561	19,072
Mortgage servicing rights, net	60,100	32,420
Deferred tax asset, net	284,059	292,082
Other assets, net	132,216	131,375
Total assets	10,319,249	9,236,910
LIABILITIES:
Noninterest bearing	1,881,360	1,702,740
Interest bearing	5,193,630	4,733,377
Total deposits	7,074,990	6,436,117
Advances from Federal Home Loan Bank (FHLB)	1,146,103	605,330
Securities sold under repurchase agreements	531,679	586,867
Junior subordinated debentures	245,299	245,294
Accrued interest payable	4,284	4,229
Accrued expenses and other liabilities	100,947	141,150
Total liabilities	9,103,302	8,018,987
SHAREHOLDERS' EQUITY:
Preferred stock, 10,000,000 shares authorized; no shares outstanding	0	0
Common stock, 151,515,151 shares authorized; 62,363,741 and 62,207,529 shares outstanding, respectively	1,972,457	1,968,025
Accumulated other comprehensive income	19,857	60,712
Accumulated deficit	(776,367)	(810,814)
Total shareholders' equity	1,215,947	1,217,923
Total liabilities and shareholders' equity	$ 10,319,249	$ 9,236,910