Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Net cash provided by operating activities before extraordinary net gain	$ 41,892	$ 57,937
Extraordinary gain on extinguishment of junior subordinated debentures, net of income taxes	(32,839)
Net cash provided by operating activities	9,053	57,937
Investing activities:
Proceeds from sales of investment securities available-for-sale		12,215
Proceeds from maturities, calls, and prepayments of investment securities available-for-sale	7,557	18,146
Proceeds from maturities and calls of investment securities held-to-maturity	470	200
Purchases of investment securities available-for-sale	(14,814)	(22,461)
Purchases of investment securities held-to-maturity
Purchases of Federal Home Loan Bank stock
Net decrease in loans	77,209	149,515
Purchases of premises and equipment	(172)
Proceeds from sales of premises and equipment
Proceeds from sales of OREO	5,769	3,340
Net cash provided by investing activities	76,019	160,955
Financing activities:
Net decrease in deposits	(221,723)	(239,306)
Cash dividends paid		0
Stock repurchased
Stock options exercised		0
Proceeds from issuance of junior subordinated debentures
Net proceeds from issuance of common stock	168,074
Extinguishment of junior subordinated debentures, net	(13,625)
Net increase in federal funds purchased
Net decrease in FHLB and other borrowings	(70,000)	(207)
Net cash used by financing activities	(137,274)	(239,513)
Net decrease in cash and cash equivalents	(52,202)	(20,621)
Cash and cash equivalents at beginning of period	271,264	359,322
Cash and cash equivalents at end of period	219,062	338,701
Supplemental disclosures of cash flow information:
Interest paid	11,113	13,020
Income tax refund received		43,613
Loans transferred to OREO	$ 6,850	$ 32,433