Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, unless otherwise specified	Total		Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2011	$ 108,013		$ 17,331	$ 43,498	$ 41,157	$ 3,926	$ 2,101
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,922				5,066		856
Other comprehensive income (loss), net of tax	2,338	[1]				2,338
Cash dividends declared	(1,055)				(1,055)
Vesting of restricted stock awards (12,432 and 21,455 shares in 2012 and 2013, respectively)	0		33	(33)
Repurchase of restricted stock (2,736 and 5,467 shares in 2012 and 2013, respectively)	(43)		(7)	(36)
Distributions to non-controlling interest	(59)						(59)
Share-based compensation	317			317
Balance at Sep. 30, 2012	115,433		17,357	43,746	45,168	6,264	2,898
Balance at Dec. 31, 2012	117,122		17,357	43,869	46,235	6,467	3,194
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,264				5,031		233
Other comprehensive income (loss), net of tax	(5,634)	[1]				(5,634)
Cash dividends declared	(1,203)				(1,203)
Exercise of stock options (2,743 shares)	38		7	31
Vesting of restricted stock awards (12,432 and 21,455 shares in 2012 and 2013, respectively)	0		53	(53)
Repurchase of restricted stock (2,736 and 5,467 shares in 2012 and 2013, respectively)	(102)		(14)	(88)
Distributions to non-controlling interest	(682)						(682)
Share-based compensation	380			380
Balance at Sep. 30, 2013	$ 115,183		$ 17,403	$ 44,139	$ 50,063	$ 833	$ 2,745

[1] All amounts shown are net of applicable income taxes using an income tax rate of 34%.