Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Interest received	$ 56,718	$ 55,062
Fees and commissions received	9,096	9,226
Proceeds from sale of loans held for sale	96,341	67,974
Origination of loans held for sale	(85,486)	(69,756)
Interest paid	(11,752)	(14,554)
Cash paid to suppliers and employees	(26,081)	(24,207)
Income taxes paid	(6,358)	(5,211)
Other income	3
Net cash provided by operating activities	32,481	18,534
Cash flows from investing activities:
Proceeds from maturities, calls, and principal payments of held-to-maturity securities	1,195	2,082
Proceeds from maturities, calls, and principal payments of available-for-sale securities	126,771	158,133
Proceeds from sale of available-for-sale securities	37,353	26,452
Purchase of held-to-maturity securities	(2,073)	(3,348)
Purchase of available-for-sale securities	(197,829)	(181,043)
Loans made to customers, net of repayments	(51,557)	(41,831)
Purchase of premises and equipment	(1,060)	(2,358)
Proceeds from sale of other real estate	5,993	7,776
Proceeds from sale of other assets	44	65
Net cash used in investing activities	(81,163)	(34,072)
Cash flows from financing activities:
Net increase in non-interest bearing, savings and NOW deposit accounts	85,763	70,130
Net decrease in time deposits	(20,929)	(16,358)
Net increase in securities sold under repurchase agreements	2,371	336
Dividends paid	(4,396)	(4,348)
Proceeds from sale of common stock pursuant to dividend reinvestment	3,200	3,218
Proceeds from exercise of stock options	157	77
Repurchase of common stock		(249)
Net cash provided by financing activities	66,166	52,806
Net increase in cash and cash equivalents	17,484	37,268
Cash and cash equivalents at beginning of period	54,174	38,282
Cash and cash equivalents at end of period	71,658	75,550
Reconciliation of net earnings to net cash provided by operating activities:
Net earnings	9,433	7,754
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation, amortization, and accretion	3,708	2,793
Provision for loan losses	6,873	7,049
Loss on sale of other real estate	1,754	2,141
Loss (Gain) on sale of other assets	(6)	18
Gain on sale of securities	(259)	(192)
Stock option compensation	23	18
Decrease in taxes payable	(146)	(1,309)
Decrease (increase) in loans held for sale	8,497	(3,055)
Decrease (increase) in deferred tax assets	(249)	1,022
Decrease (increase) in other assets, net	346	(1,148)
Decrease (increase) in interest receivable	118	(752)
Increase in other liabilities	3,218	5,179
Decrease in interest payable	(829)	(984)
Total adjustments	23,048	10,780
Net cash provided by operating activities	32,481	18,534
Supplemental schedule of non-cash activities:
Unrealized gain in values of securities available-for-sale, net of taxes of $989 and $2,698, for the Nine months ended September 30, 2012 and 2011, respectively	1,594	4,348
Non-cash transfers from loans to other real estate	7,603	15,727
Non-cash transfers from other real estate to loans	218	7,946
Non-cash transfers from loans to other assets	$ 57	$ 71