CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Warrants	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning Balance at Dec. 31, 2010	$ 407,569	$ 24,047	$ 3,699	$ 177,344	$ 205,099	$ (2,620)
Comprehensive Income:
Net income	7,291				7,291
Other comprehensive income, net of tax	360					360
Common stock dividends - $0.10 per share in 2012 and $0.08 per share in 2011	(1,938)				(1,938)
Stock compensation expense	249			249
Stock warrant redemption	(4,449)		(3,699)	(750)
Common stock issued pursuant to:
Stock option plan - 1,765 shares	21	2		19
Employee stock purchase plan - 7,953 shares in 2012 and 7,608 shares in 2011	124	8		116
Restricted stock - 44,990 shares in 2012 and 28,423 shares in 2011	(151)	28		(179)
Ending Balance at Mar. 31, 2011	409,076	24,085		176,799	210,452	(2,260)
Beginning Balance at Dec. 31, 2011	446,109	24,091		177,828	230,942	13,248
Comprehensive Income:
Net income	8,476				8,476
Other comprehensive income, net of tax	(410)					(410)
Common stock dividends - $0.10 per share in 2012 and $0.08 per share in 2011	(2,432)				(2,432)
Stock compensation expense	399			399
Common stock issued pursuant to:
Employee stock purchase plan - 7,953 shares in 2012 and 7,608 shares in 2011	121	8		113
Restricted stock - 44,990 shares in 2012 and 28,423 shares in 2011	(346)	45		(391)
Ending Balance at Mar. 31, 2012	$ 451,917	$ 24,144		$ 177,949	$ 236,986	$ 12,838