Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities
Net income (loss)	$ 37,485,000	$ (13,316,000)	$ (52,087,000)
Adjustments to reconcile net income (loss) to net cash from (for) operating activities:
Depreciation and amortization	2,200,000	2,440,000	2,577,000
Provision for loan losses	6,900,000	31,800,000	59,000,000
Deferred income tax expense (benefit)	(27,361,000)	(47,000)	9,973,000
Stock-based compensation expense	61,000	275,000	611,000
Proceeds from sales of mortgage loans held for sale	50,925,000	66,795,000	80,782,000
Origination of mortgage loans held for sale	(50,195,000)	(66,104,000)	(82,251,000)
Net gain on sale of mortgage loans held for sale	(681,000)	(846,000)	(905,000)
Net gain on sale of held to maturity securities	0	(476,000)	0
Gain on sale of commercial loans	0	(324,000)	0
Net (gain) loss on sale and write-down of premises and equipment	0	(2,000)	227,000
Net loss on sale and valuation write-downs of foreclosed assets	1,826,000	4,432,000	3,551,000
Recognition of unrealized gain on interest rate swaps	0	(99,000)	(1,803,000)
Earnings on bank owned life insurance	(1,777,000)	(1,718,000)	(1,444,000)
Net change in:
Accrued interest receivable	1,539,000	1,146,000	1,425,000
Other assets	2,771,000	7,540,000	(18,407,000)
Accrued interest and other liabilities	(1,187,000)	(1,894,000)	(10,024,000)
Net cash from (for) operating activities	22,506,000	29,602,000	(8,775,000)
Purchases of:
Securities available for sale	(28,835,000)	(106,329,000)	(73,059,000)
Securities held to maturity	0	0	(1,025,000)
Proceeds from:
Maturities, calls and repayments of securities available for sale	80,739,000	107,480,000	52,343,000
Maturities, calls and repayments of securities held to maturity	0	0	6,270,000
Proceeds from sale of held to maturity securities	0	20,452,000	0
Proceeds from Federal Home Loan Bank stock redemption	2,384,000	1,336,000	0
Loan originations and payments, net	162,928,000	226,563,000	240,291,000
Proceeds from sale of commercial loans	0	7,395,000	11,633,000
Purchases of premises and equipment, net	(556,000)	(118,000)	(44,000)
Proceeds from sale of foreclosed assets	11,062,000	14,900,000	7,276,000
Purchases of bank owned life insurance	0	0	(1,118,000)
Net cash from investing activities	227,722,000	271,679,000	242,567,000
Cash flows from financing activities
Net decrease in time deposits	(210,617,000)	(331,638,000)	(240,269,000)
Net increase in all other deposits	48,860,000	203,843,000	42,321,000
Net increase (decrease) in securities sold under agreements to repurchase	(44,410,000)	17,224,000	5,342,000
Net increase (decrease) in federal funds purchased	0	(2,600,000)	2,600,000
Proceeds from Federal Home Loan Bank advances	0	0	5,000,000
Maturities and prepayments of Federal Home Loan Bank advances	(20,000,000)	(140,000,000)	(70,000,000)
Maturities of wholesale repurchase agreements	(10,000,000)	(5,000,000)	0
Decrease in other borrowed money	(370,000)	(86,000)	(2,638,000)
Proceeds from issuance of preferred stock and common stock warrant, net	0	0	20,834,000
Proceeds from stock option exercises	55,000	0	0
Employee stock purchase plan	42,000	47,000	57,000
Dividend reinvestment plan	6,000	2,000	11,000
Payment of cash dividends on preferred stock	(1,620,000)	(525,000)	(525,000)
Payment of cash dividends to common shareholders	0	(85,000)	(594,000)
Net cash for financing activities	(238,054,000)	(258,818,000)	(237,861,000)
Net change in cash and cash equivalents	12,174,000	42,463,000	(4,069,000)
Cash and cash equivalents at beginning of period	64,198,000	21,735,000	25,804,000
Cash and cash equivalents at end of period	76,372,000	64,198,000	21,735,000
Cash paid during the year for:
Interest	21,742,000	33,203,000	62,663,000
Federal income taxes	0	0	0
Noncash financing and investing activities:
Transfers from loans to foreclosed assets	11,495,000	9,399,000	29,317,000
Preferred stock cash dividend accrued	$ 134,000	$ 666,000	$ 134,000