Condensed Consolidated Statements of Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Stock Subscription Receivable [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2009	$ 151,885	$ 128	$ 84,674	$ (3)	$ (267)	$ 67,353
Balance, Shares at Dec. 31, 2009		12,778,935
Issuance of common stock	172		172
Issuance of common stock, shares		21,398
Repurchase of common stock	(772)	(1)	(771)
Repurchase of common stock, shares		(80,925)
Exercise of stock options	162	1	161
Exercise of stock options, shares		35,864
Tax benefit on stock options exercised	72		72
Stock option compensation recognized	194		194
Payment of receivables	1			1
Restricted stock grant		1	(1)
Restricted stock grant, shares		109,393
Restricted stock compensation recognized	2,486		2,486
Net change related to derivatives, net of tax	138				138
Net change in unrealized gain/loss on securities available for sale, net of tax	(3)				(3)
Net income	5,668					5,668
Balance at Dec. 31, 2010	160,003	129	86,987	(2)	(132)	73,021
Balance, Shares at Dec. 31, 2010	12,864,665	12,864,665
Issuance of common stock	101	0	101
Issuance of common stock, shares		8,598
Repurchase of common stock	(3,061)	(3)	(3,058)
Repurchase of common stock, shares		(258,123)
Exercise of stock options	62	0	62
Exercise of stock options, shares		9,275
Stock option compensation recognized	49		49
Restricted stock grant	0	3	(3)
Restricted stock grant, shares		262,426
Restricted stock compensation recognized	2,061		2,061
Net change related to derivatives, net of tax	63				63
Net change in unrealized gain/loss on securities available for sale, net of tax	9				9
Net income	2,284					2,284
Balance at Jun. 30, 2011	$ 161,571	$ 129	$ 86,199	$ (2)	$ (60)	$ 75,305
Balance, Shares at Jun. 30, 2011	12,886,841	12,886,841