Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Interest received	$ 60,239	$ 56,628
Fees and commissions received	11,513	9,832
Proceeds from sale of loans held for sale	120,450	74,251
Origination of loans held for sale	(121,364)	(74,084)
Interest paid	(6,755)	(7,666)
Cash paid to suppliers and employees	(31,432)	(29,076)
Income taxes paid	(11,499)	(10,132)
Net cash provided by operating activities	21,152	19,753
Cash flows from investing activities:
Proceeds from maturities, calls, and principal payments of held-to-maturity securities	2,663	1,452
Proceeds from maturities, calls, and principal payments of available-for-sale securities	64,972	51,317
Proceeds from the sale of available-for-sale securities	42,844	49,021
Purchase of held-to-maturity securities	(527)	(3,609)
Purchase of available-for-sale securities	(54,017)	(107,535)
Loans made to customers, net of repayments	(114,875)	(101,315)
Purchase of Bank owned life insurance	(8,464)	(5,000)
Purchase of premises and equipment	(3,118)	(3,024)
Proceeds from sale of premises and equipment	0	7
Proceeds from sale of other real estate	1,207	2,419
Proceeds from sale of other assets	12	1
Net cash used in investing activities	(69,303)	(116,266)
Cash flows from financing activities:
Net increase in non-interest bearing, savings and NOW deposit accounts	83,403	103,666
Net decrease in time deposits	(19,846)	(33,649)
Net decrease in securities sold under repurchase agreements	(583)	(4,230)
Dividends paid	(4,935)	(4,510)
Proceeds from sale of common stock pursuant to dividend reinvestment	3,511	3,204
Repurchase of common stock	0	(94)
Proceeds from exercise of stock options	190	156
Net cash provided by financing activities	61,740	64,543
Net increase (decrease) in cash and cash equivalents	13,589	(31,970)
Cash and cash equivalents at beginning of period	68,007	111,504
Cash and cash equivalents at end of period	81,596	79,534
Reconciliation of net earnings to net cash provided by operating activities:
Net earnings	17,905	14,677
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation, amortization, and accretion	3,394	3,159
Provision for loan losses	265	364
Loss (gain) on sale and writedown of other real estate	(305)	190
Security gains	(185)	(293)
Stock option compensation	30	32
Increase in taxes payable	88	89
Loss on the sale of other assets	2	3
Loss (gain) on the sale of premises and equipment	30	(7)
Increase in loans held for sale	(3,971)	(1,759)
Increase in deferred tax assets	(587)	(699)
Increase in other assets, net	(1,059)	(1,191)
Decrease (increase) in interest receivable	123	(123)
Increase in other liabilities	5,656	5,606
Decrease in interest payable	(234)	(295)
Total adjustments	3,247	5,076
Supplemental schedule of non-cash activities:
Unrealized gain (loss) in values of securities available-for-sale, net of taxes of $589 and $1,208 for the nine months ended September 30, 2015 and 2014, respectively	949	1,945
Non-cash transfers from loans to other real estate	1,317	424
Non-cash transfers from other real estate to loans	1,180	1,080
Non-cash transfers from loans to other assets	$ 4	$ 8