Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net Income	$ 2,939	$ 2,160
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	825	700
Depreciation and amortization	435	451
Net amortization on securities	958	564
Amortization of core deposit intangible	18
Share based compensation expense	366	259
Net securities gains	(272)
Increase in accrued interest receivable	(830)	(256)
Decrease (increase) in other assets	42	(764)
Increase in accrued expenses and other liabilities	382	941
Net cash provided by operating activities	4,863	4,055
Cash flows from investing activities:
Purchases of securities available for sale	(133,659)	(27,664)
Purchases of securities, restricted	(360)
Purchases of securities held to maturity	(17,168)	(6,178)
Proceeds from sales of securities available for sale	3,344
Maturities, calls and principal payments of securities available for sale	63,660	23,993
Maturities, calls and principal payments of securities held to maturity	8,605	13,337
Net increase in loans	(29,087)	(18,796)
Purchase of premises and equipment	(692)	(225)
Net cash used in investing activities	(105,357)	(15,533)
Cash flows from financing activities:
Net increase in deposits	14,297	48,953
Net increase (decrease) in federal funds purchased and FHLB overnight borrowings	36,000	(5,000)
Net decrease in repurchase agreements	(5,359)	(38)
Net proceeds from issuance of common stock	2,088	845
Repurchase of surrendered stock from exercise of stock options and vesting of restricted stock awards	(88)	(61)
Excess tax (expense) benefit from share based compensation	(10)	(1)
Cash dividends paid	(1,923)	(1,467)
Net cash provided by financing activities	45,005	43,231
Net (decrease) increase in cash and cash equivalents	(55,489)	31,753
Cash and cash equivalents at beginning of period	79,546	22,918
Cash and cash equivalents at end of period	24,057	54,671
Cash paid for:
Interest	1,962	1,878
Income tax	90
Noncash investing and financing activities:
Securities which settled in the subsequent period	894	750
Dividends declared and unpaid at end of period		$ 1,477