Consolidated Statements of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net Income	$ 7,409	$ 6,761
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	3,050	2,600
Depreciation and amortization	1,370	1,160
Net amortization on securities	1,574	939
Amortization of core deposit intangible	24
Share based compensation expense	774	655
Net securities gains	(135)	(1,303)
Increase in accrued interest receivable	(221)	(632)
Decrease (increase) in other assets	1,083	(2,752)
Increase (decrease) in accrued expenses and other liabilities	1,467	(225)
Net cash provided by operating activities	16,395	7,203
Cash flows from investing activities:
Purchases of securities available for sale	(200,906)	(200,252)
Purchases of securities, restricted	(140)	(14)
Purchases of securities held to maturity	(69,315)	(127,140)
Proceeds from sales of securities available for sale	14,084	31,446
Redemption of securities, restricted	225
Maturities, calls and principal payments of securities available for sale	150,726	130,165
Maturities, calls and principal payments of securities held to maturity	46,653	56,139
Net increase in loans	(57,015)	(32,835)
Purchase of premises and equipment	(1,625)	(3,522)
Net cash acquired in business combination	2,309
Net cash used in investing activities	(115,004)	(146,013)
Cash flows from financing activities:
Net increase in deposits	181,602	132,711
Net (decrease) in federal funds purchased and FHLB overnight borrowings	(7,000)
Net (decrease) in FHLB term advances	(5,016)
Net increase in repurchase agreements	225	2,094
Net proceeds from exercise of stock options		17
Net proceeds from issuance of common stock	2,973	573
Repurchase of surrendered stock from exercise of stock options and vesting of restricted stock awards	(61)	(5)
Excess tax (expense) benefit from share based compensation	(1)	5
Cash dividends paid	(4,496)	(4,336)
Net cash provided by financing activities	168,226	131,059
Net increase (decrease) in cash and cash equivalents	69,617	(7,751)
Cash and cash equivalents at beginning of period	22,918	34,147
Cash and cash equivalents at end of period	92,535	26,396
Cash paid for:
Interest	5,652	5,850
Income tax	2,644	3,982
Noncash investing and financing activities:
Securities which settled in the subsequent period	1,429
Dividends declared and unpaid at end of period		1,451
Acquisition of noncash assets and liabilities:
Fair value of assets acquired	66,649
Fair value of liabilities assumed	$ 65,059