Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities
Net income	$ 11,870,000	$ 9,487,000
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	1,629,000	1,669,000
Provision for loan losses	(4,700,000)	(3,400,000)
Stock-based compensation expense	354,000	14,000
Proceeds from sales of mortgage loans held for sale	43,789,000	57,233,000
Origination of mortgage loans held for sale	(41,147,000)	(62,347,000)
Net gain from sales of mortgage loans held for sale	(550,000)	(853,000)
Net (gain) loss from sale and valuation write-down of foreclosed assets	(1,024,000)	1,817,000
Earnings on bank owned life insurance	(1,025,000)	(1,170,000)
Net change in:
Accrued interest receivable	97,000	464,000
Other assets	13,451,000	2,638,000
Accrued expenses and other liabilities	(776,000)	1,652,000
Net cash from operating activities	21,968,000	7,204,000
Cash flows from investing activities
Loan originations and payments, net	(37,232,000)	27,283,000
Purchases of securities available for sale	(37,492,000)	(45,973,000)
Proceeds from maturities, calls and repayments of securities available for sale	31,578,000	82,580,000
Proceeds from sales of securities available for sale	10,310,000	0
Proceeds from sales of foreclosed assets	6,505,000	12,753,000
Purchases of premises and equipment	(250,000)	(415,000)
Net cash from (for) investing activities	(26,581,000)	76,228,000
Cash flows from financing activities
Net decrease in time deposits	(13,871,000)	(43,811,000)
Net increase in all other deposits	176,000	39,302,000
Net increase (decrease) in securities sold under agreements to repurchase	915,000	(12,538,000)
Proceeds from Federal Home Loan Bank advances	10,000,000	20,000,000
Maturities of Federal Home Loan Bank advances	0	(30,000,000)
Net increase (decrease) in other borrowed money	107,000	(1,000)
Repurchase of preferred stock	0	(21,000,000)
Repurchase of common stock warrant	0	(7,465,000)
Proceeds from stock option exercises, net of cashless exercises	0	171,000
Employee stock purchase plan	19,000	29,000
Dividend reinvestment plan	33,000	0
Payment of cash dividends on preferred stock	0	(496,000)
Payment of cash dividends to common shareholders	(2,851,000)	0
Net cash for financing activities	(5,472,000)	(55,809,000)
Net change in cash and cash equivalents	(10,085,000)	27,623,000
Cash and cash equivalents at beginning of period	136,003,000	76,372,000
Cash and cash equivalents at end of period	125,918,000	103,995,000
Cash paid during the period for:
Interest	8,779,000	11,157,000
Federal income tax	0	0
Noncash financing and investing activities:
Transfers from loans to foreclosed assets	$ 2,060,000	$ 10,448,000