Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net Income	$ 9,488	$ 9,362
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,650	3,925
Depreciation and amortization	1,498	1,313
Net amortization on securities	4,280	3,696
Amortization of core deposit intangible	45	51
Share based compensation expense	977	1,030
Net securities gains	(659)	(2,179)
Increase in accrued interest receivable	(18)	(472)
(Increase) decrease in other assets	(1,822)	244
Increase in accrued expenses and other liabilities	806	2,905
Net cash provided by operating activities	16,245	19,875
Cash flows from investing activities:
Purchases of securities available for sale	(228,021)	(388,698)
Purchases of securities, restricted	(49,843)	(16,325)
Purchases of securities held to maturity	(55,105)	(116,347)
Proceeds from sales of securities available for sale	129,431	67,077
Redemption of securities, restricted	48,397	15,007
Maturities, calls and principal payments of securities available for sale	117,771	211,802
Maturities, calls and principal payments of securities held to maturity	69,950	76,662
Net increase in loans	(135,394)	(119,321)
Proceeds from loan sale		575
Proceeds from sales of real estate owned, net	218
Purchase of premises and equipment	(3,327)	(2,462)
Net cash used in investing activities	(105,923)	(272,030)
Cash flows from financing activities:
Net increase in deposits	53,702	126,662
Net (decrease) increase in federal funds purchased and FHLB overnight borrowings	(3,500)	62,000
Net increase in FHLB term advances	25,000	15,000
Net decrease in repurchase agreements	(1,075)	(3,804)
Net proceeds from issuance of common stock	5,611	6,564
Repurchase of surrendered stock from vesting of restricted stock awards	(149)	(88)
Excess tax expense from share based compensation	(9)	(10)
Cash dividends paid	(4,177)	(5,858)
Net cash provided by financing activities	75,403	200,466
Net decrease in cash and cash equivalents	(14,275)	(51,689)
Cash and cash equivalents at beginning of period	51,249	79,546
Cash and cash equivalents at end of period	36,974	27,857
Cash paid for:
Interest	5,398	5,766
Income tax	4,152	2,985
Noncash investing and financing activities:
Securities which settled in the subsequent period	3,000	17,874
Financing of sale of loans held for sale		$ 1,725