CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Earnings	Accumulated Other Comprehensive Income
Beginning Balance at Dec. 31, 2012	$ 381,222	$ 195	$ (22,370)	$ 187,401	$ 213,017	$ 2,979
Beginning Balance, Shares at Dec. 31, 2012	18,255,226	19,513,476	(1,258,250)
Comprehensive income	20,544				26,194	(5,650)
Options exercised	1,597	2		1,595
Options exercised, Shares	173,300	173,300
Tax benefit from share-based payments	1,222			1,222
Restricted common stock issued	380			380
Restricted common stock issued, Shares		60,654
Share-based compensation	169			169
Dividends to stockholders	(4,422)				(4,422)
Ending Balance at Sep. 30, 2013	$ 400,712	$ 197	$ (22,370)	$ 190,767	$ 234,789	$ (2,671)
Ending Balance, Shares at Sep. 30, 2013	18,489,180	19,747,430	(1,258,250)