Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net income	$ 4,400,000	$ 2,880,000
Adjustments to reconcile net income to net cash from operating activities
Depreciation and amortization	553,000	510,000
Provision for loan losses	(1,500,000)	0
Stock-based compensation expense	118,000	4,000
Proceeds from sales of mortgage loans held for sale	16,260,000	16,431,000
Origination of mortgage loans held for sale	(15,393,000)	(17,066,000)
Net gain from sales of mortgage loans held for sale	(202,000)	(253,000)
Net (gain) loss from sale and valuation write-down of foreclosed assets	(528,000)	158,000
Earnings on bank owned life insurance	(338,000)	(407,000)
Net change in:
Accrued interest receivable	(25,000)	(24,000)
Other assets	2,159,000	629,000
Accrued expenses and other liabilities	(2,205,000)	72,000
Net cash from operating activities	3,299,000	2,934,000
Cash flows from investing activities
Loan originations and payments, net	14,779,000	7,951,000
Purchases of securities available for sale	(14,984,000)	(17,985,000)
Proceeds from maturities, calls and repayments of securities available for sale	12,314,000	40,118,000
Proceeds from sales of foreclosed assets	2,639,000	9,714,000
Purchases of premises and equipment	(80,000)	(70,000)
Net cash from investing activities	14,668,000	39,728,000
Cash flows from financing activities
Net decrease in time deposits	(43,116,000)	(24,108,000)
Net increase in all other deposits	702,000	5,467,000
Net increase (decrease) in securities sold under agreements to repurchase	3,979,000	(15,129,000)
Proceeds from Federal Home Loan Bank advances	0	10,000,000
Maturities of Federal Home Loan Bank advances	0	(10,000,000)
Net increase (decrease) in other borrowed money	81,000	(20,000)
Proceeds from stock option exercises	0	18,000
Employee stock purchase plan	9,000	9,000
Dividend reinvestment plan	16,000	0
Payment of cash dividends on preferred stock	0	(263,000)
Payment of cash dividends to common shareholders	(864,000)	0
Net cash for financing activities	(39,193,000)	(34,026,000)
Net change in cash and cash equivalents	(21,226,000)	8,636,000
Cash and cash equivalents at beginning of period	136,003,000	76,372,000
Cash and cash equivalents at end of period	114,777,000	85,008,000
Cash paid during the period for:
Interest	3,339,000	4,420,000
Federal income tax	0	0
Noncash financing and investing activities:
Transfers from loans to foreclosed asset	1,647,000	8,096,000
Preferred stock cash dividend accrued	$ 0	$ 134,000