Consolidated Statements Of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating activities:
Net income (loss)	$ 16,187,000	$ (68,295,000)	$ 11,367,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Provision for loan losses	3,107,000	132,101,000	35,560,000
Adjustments to other real estate	5,089,000
Deferred tax expense (benefit)	8,939,000	(20,463,000)	(2,808,000)
Depreciation and amortization	2,460,000	2,581,000	2,853,000
Securities premium amortization, net of discount accretion	3,308,000	2,197,000	2,018,000
Amortization of intangibles	1,609,000	1,374,000	1,502,000
Goodwill impairment	0	0	5,597,000
Stock based compensation expense	115,000	333,000	378,000
Net gain on sales/calls of investment securities	(837,000)		(2,661,000)
Net gain on sales of available for sale loans	(3,133,000)	(1,658,000)	(2,736,000)
Net (gain) loss on sales of premises/equipment	(2,000)	(20,000)	132,000
Net (gain) loss on sales of other real estate	(301,000)	23,357,000	41,000
Proceeds from sales of held for sale loans	150,621,000	83,123,000	162,524,000
Held for sale loans originated	(148,479,000)	(81,903,000)	(126,456,000)
Net changes in assets and liabilities:
Accrued interest receivable	811,000	1,414,000	2,216,000
Other assets	1,847,000	3,777,000	10,179,000
Income taxes receivable / payable	4,074,000	(31,762,000)	(1,568,000)
Excess tax expense from share-based payment arrangements	67,000	218,000	(40,000)
Accrued interest payable	(2,573,000)	2,112,000	(1,614,000)
Other liabilities	2,225,000	(1,790,000)	(2,186,000)
Net cash provided by operating activities	45,134,000	46,696,000	94,298,000
Investing activities:
Proceeds from sales of available for sale securities	6,588,000		57,782,000
Held to maturity securities	2,375,000	2,470,000	2,825,000
Available for sale securities	88,109,000	68,709,000	66,656,000
Proceeds from sales of other investments	1,865,000		9,777,000
Redemption (purchases) of other investments	179,000	(50,000)	(1,116,000)
Purchases of held to maturity securities		(5,894,000)	(6,498,000)
Purchases of available for sale securities	(202,273,000)	(75,650,000)	(138,205,000)
Principal repayments, net of loans originated	382,669,000	288,795,000	146,187,000
Proceeds from sales of loans, net		153,713,000
Purchases of premises and equipment	(1,619,000)	(1,686,000)	(1,037,000)
Proceeds from sales of premises and equipment	170,000	239,000	866,000
Proceeds from sales of other real estate	7,261,000	56,425,000	15,032,000
Net cash provided by investing activities	285,324,000	487,071,000	152,269,000
Financing activities:
Net decrease in deposits	(211,804,000)	(331,346,000)	(340,002,000)
Net increase (decrease) in other borrowings	13,883,000	(38,123,000)	(8,420,000)
Net proceeds from issuance of common stock	127,000	64,000	54,315,000
Redemptions of preferred stock	(70,000,000)
Excess tax expense from share-based payment arrangements	(67,000)	(218,000)	40,000
Preferred stock dividends paid	(4,407,000)	(1,751,000)	(3,500,000)
Common stock dividends			(351,000)
Net cash used in financing activities	(272,268,000)	(371,374,000)	(297,918,000)
Net (decrease) increase in cash and cash equivalents	58,190,000	162,393,000	(51,351,000)
Cash and cash equivalents:
Beginning of year	229,889,000	67,496,000	118,847,000
End of year	$ 288,079,000	$ 229,889,000	$ 67,496,000