CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Operating Activities
Net Income	$ 6,456	$ 6,451	$ 19,260	$ 18,482
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	279	539	979	1,675	$ 2,220
Depreciation expense			2,130	2,199
Investment securities amortization and accretion, net			1,638	1,301
Stock-based compensation expense			542	453
Amortization of intangible assets	288	287	862	861
Net gain on sale of investment securities	(4)	0	(4)	(451)
Net increase in other real estate owned valuation allowance and loss on disposition			348	222
Originations of mortgage loans held for sale			(25,341)	(399)
Proceeds from the sale of mortgage loans			24,996	416
Gain on sale of mortgage loans			(541)	(17)
Increase in other assets			(3,107)	(3,438)
(Decrease) increase in other liabilities			(11)	806
Net cash provided by operating activities			21,751	22,110
Investing Activities
Proceeds from sales and maturities of available-for-sale securities			123,650	105,818
Purchase of available-for-sale securities			(81,262)	(62,494)
Purchase of held-to-maturity securities			(55,462)	(11,589)
Net increase in loans			(60,601)	(148,967)
Purchase of bank-owned life insurance			0	(10,000)
Payments to Acquire Federal Home Loan Bank Stock			56	706
Proceeds from sale of Federal Home Loan Bank and Federal Reserve Bank stock			0	51
Proceeds from the sale of other real estate owned			2,760	1,591
Recoveries of previously charged-off loans			554	538
Purchase of premises and equipment			(1,797)	(831)
Net cash used by investing activities			(72,214)	(126,589)
Financing Activities
Net increase in deposits			76,155	114,850
Proceeds from Federal Home Loan Bank Advances			10,000	0
Repayments on Federal Home Loan Bank long-term advances			(11,039)	(54)
Net (decrease) increase in other borrowed funds			(12,081)	11,171
Registration statement costs			(537)	0
Common stock repurchased			0	(7,475)
Exercise of stock options and issuance of restricted stock, net of repurchase for tax withholdings and tax benefit			512	157
Cash dividends paid on common stock			(6,716)	(6,075)
Net cash provided by financing activities			56,294	112,574
Net increase in cash and cash equivalents			5,831	8,095
Cash and cash equivalents at beginning of period			60,813	51,355	51,355
Cash and cash equivalents at end of period	$ 66,644	$ 59,450	66,644	59,450	$ 60,813
Supplemental information
Interest paid			9,104	9,129
Income taxes paid			8,345	10,147
Transfer from loans to other real estate owned			$ 1,725	$ 1,184