Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Cash Flows
Net income (loss)	$ (23,406)	$ 13,642	$ 9,982
Provision for loan losses	79,672	41,301	54,562
Net security premium amortization	1,917	1,373	1,491
Purchase accounting accretion and amortization, net	(16,117)	(11,628)	(9,963)
Gain from acquisition		(10,196)
Foreclosed property losses and write-downs	28,360	27,847	35,511
Gain on securities available for sale	(638)	(74)	(26)
Other losses (gains)	463	(143)	(652)
Increase in net deferred loan costs	(44)	(307)	(599)
Depreciation of premises and equipment	4,557	4,388	3,993
Stock-based compensation expense	311	905	640
Amortization of intangible assets	897	902	874
Origination of presold mortgages in process of settlement	(96,750)	(76,095)	(88,665)
Proceeds from sales of presold mortgages in process of settlement	94,350	73,967	88,670
Decrease in accrued interest receivable	1,578	1,800	1,204
Increase in other assets	(29,952)	(30,096)	(32,538)
Decrease in accrued interest payable	(577)	(210)	(972)
Increase (decrease) in other liabilities	(2,940)	(330)	597
Net cash provided by operating activities	41,681	37,046	64,109
Purchases of securities available for sale	(92,058)	(75,689)	(99,310)
Purchases of securities held to maturity		(4,332)	(22,431)
Proceeds from sales of securities available for sale	9,641	2,518
Proceeds from maturities/issuer calls of securities available for sale	96,040	75,615	97,202
Proceeds from maturities/issuer calls of securities held to maturity	1,690	1,053	2,687
Purchase of bank-owned life insurance	(25,000)
Net (increase) decrease in loans	(89,718)	11,912	40,306
Proceeds from FDIC loss share agreements	29,796	69,339	46,721
Proceeds from sales of foreclosed real estate	74,972	43,414	24,875
Purchases of premises and equipment	(8,953)	(6,606)	(17,543)
Net cash received (paid) in acquisition	9,312	54,037	(171)
Net cash provided by investing activities	5,722	171,261	72,336
Net increase (decrease) in deposits and repurchase agreements	39,888	(127,253)	(287,982)
Proceeds from (repayments of) borrowings, net	(87,500)	(66,881)	20,400
Cash dividends paid - common stock	(5,426)	(5,390)	(5,359)
Cash dividends paid - preferred stock	(3,037)	(2,847)	(3,250)
Proceeds from issuance of preferred stock	7,287	63,500
Proceeds from issuance of common stock	26,727	881	840
Redemption of preferred stock		(65,000)
Repurchase of common stock	(2)	(228)
Repurchase of common stock warrants		(924)
Tax benefit from exercise of nonqualified stock options			36
Net cash used by financing activities	(22,063)	(204,142)	(275,315)
Increase (decrease) in Cash and Cash Equivalents	25,340	4,165	(138,870)
Cash and cash equivalents, beginning of Year	216,167	212,002	350,872
Cash and cash equivalents, end of Year	241,507	216,167	212,002
Cash paid during the period for interest	17,893	23,775	32,879
Cash paid during the period for income taxes	14,292	14,893	16,309
Foreclosed loans transferred to foreclosed real estate	53,521	76,242	123,962
Loans transferred to loans held-for-sale (at liquidation value)	30,393
Unrealized gain on securities available for sale, net of taxes	$ (369)	$ 864	$ 395