CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Cash Flows from Operating Activities:
Net income	$ 15,564		$ 13,552		$ 12,765
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	7,050		5,350		5,510
Compensation expense--common stock for director fees	200		200		210
Stock-based compensation expense	377		350		403
Excess tax benefits from exercised stock options	(99)		(102)		(157)
Amortization and impairment write-off of core deposit intangible	725		0		0
Amortization of investment security premiums, net of accretion of discounts	1,385		1,194		337
Accretion on acquired loans	(4,275)		0		0
Decrease in deferred loan origination fees, net	(1,200)	[1]	(119)	[1]	(172)	[1]
Loss on sale of investment securities	0		0		4
Depreciation and amortization	1,293		1,344		1,370
Bargain purchase gain on acquisition, net of tax	(85)		0		0
Loss on disposal of premise and equipment	117		3		0
Earnings on bank owned life insurance policies	(752)	[1]	(690)	[1]	(696)	[1]
(Gain) loss on sale of repossessed assets	(10)		15		29
Net change in operating assets and liabilities:
Interest receivable	(431)		131		(257)
Interest payable	(33)		97		57
Deferred rent and other rent-related expenses	236		253		260
Other assets	1,051	[1]	713	[1]	(6,507)	[1]
Other liabilities	1,268		1,138		675
Net cash provided by operating activities	22,381		23,429		13,831
Cash Flows from Investing Activities:
Proceeds from sale of premises and equipment	18		0		0
Purchase of securities held to maturity	(26,804)		(5,464)		(8,706)
Purchase of securities available for sale	(92,686)		(50,517)		(57,814)
Proceeds from sale of securities	0		0		5,343
Proceeds from paydowns/maturity of:
Securities held to maturity	1,755		790		320
Securities available for sale	68,251		37,158		36,209
Loans originated and principal collected, net	(25,182)	[1]	(26,804)	[1]	(33,984)	[1]
Purchase of bank owned life insurance policies	(2,500)		0		0
Purchase of premises and equipment	(2,472)		(1,723)		(1,121)
Proceeds from sale of repossessed assets	421		216		42
Cash receipt from acquisition	44,042		0		0
Redemption of Federal Home Loan Bank stock	219		0		0
Net cash used in investing activities	(34,938)		(46,344)		(59,711)
Cash Flows from Financing Activities:
Net increase in deposits	93,152		71,678		91,771
Proceeds from stock options exercised	741		895		873
Repayment of Federal Home Loan Bank borrowings	(33,500)		0		(1,800)
Preferred stock repurchased	0		0		(28,000)
Cash dividends paid on common stock	(3,457)		(3,205)		(2,960)
Cash dividends paid on preferred stock	0		0		(451)
Stock issued under employee stock purchase plan	33		17		24
Excess tax benefits from exercised stock options	99		102		157
Net cash provided by financing activities	57,068		69,487		59,614
Net increase in cash and cash equivalents	44,511		46,572		13,734
Cash and cash equivalents at beginning of period	85,232		38,660		24,926
Cash and cash equivalents at end of period	129,743		85,232		38,660
Supplemental disclosure of cash flow information:
Cash paid for interest	5,328		7,246		7,110
Cash paid for income taxes	9,159		7,610		8,571
Supplemental disclosure of non-cash investing and financing activities:
Loans transferred to repossessed assets	301		270		168
Stock issued in payment of director fees	200		200		233
Accretion of preferred stock	0		0		945
Acquisition:
Fair value of assets acquired	107,763		0		0
Fair value of liabilities assumed	$ 107,678		$ 0		$ 0

[1] Amounts for prior periods have been reclassified to conform to current financial statement presentation.