CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2010	$ 157,902	$ 125	$ 114,183	$ 53,637	$ (11,022)	$ 979
Increase (Decrease) in Stockholders' Equity
Net income	11,986			11,986
Other comprehensive income (loss), net of tax	(23,112)					(23,112)
Dividends declared	(582)			(582)
Shares issued pursuant to long-term incentive plan			(497)		497
Shares forfeited pursuant to long-term incentive plan			47		(47)
Amortization (long-term incentive plan)	776		776
Net issuance of treasury stock	53		(140)		193
Balance at Dec. 31, 2011	147,023	125	114,369	65,041	(10,379)	(22,133)
Increase (Decrease) in Stockholders' Equity
Net income	17,855			17,855
Other comprehensive income (loss), net of tax	(3,376)					(3,376)
Dividends declared	(935)			(935)
Shares issued pursuant to long-term incentive plan			(843)		843
Amortization (long-term incentive plan)	662		662
Net issuance of treasury stock	(22)		(116)		94
Balance at Dec. 31, 2012	161,207	125	114,072	81,961	(9,442)	(25,509)
Increase (Decrease) in Stockholders' Equity
Net income	9,927			9,927
Other comprehensive income (loss), net of tax	23,896					23,896
Dividends declared	(951)			(951)
Shares issued pursuant to long-term incentive plan			(530)		530
Common shares issued	8,878		838		8,040
Amortization (long-term incentive plan)	621		621
Net issuance of treasury stock	16		(50)		66
Balance at Dec. 31, 2013	$ 203,594	$ 125	$ 114,951	$ 90,937	$ (806)	$ (1,613)