CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, except Share data	Total	Common stock	Treasury Stock	Additional Paid-In Capital	Accumulated Earnings	Accumulated Other Comprehensive Loss
Beginning Balance at Dec. 31, 2013	$ 416,814	$ 198	$ (22,370)	$ 192,537	$ 250,744	$ (4,295)
Treasury Stock Beginning Balance, Shares at Dec. 31, 2013	(1,258,250)		(1,258,250)
Beginning Balance, Shares at Dec. 31, 2013	19,855,430	19,855,430
Comprehensive income	29,578				23,322	6,256
Options exercised	1,127	1		1,126
Options exercised, Shares	123,167	123,167
Tax benefit from share-based payments	1,227			1,227
Restricted common stock issued
Restricted common stock issued, Shares		5,978
Share-based compensation	546			546
Dividends to stockholders	(13,808)				(13,808)
Ending Balance at Jun. 30, 2014	$ 435,484	$ 199	$ (22,370)	$ 195,436	$ 260,258	$ 1,961
Treasury Stock Ending Balance, Shares at Jun. 30, 2014	(1,258,250)		(1,258,250)
Ending Balance, Shares at Jun. 30, 2014	19,984,575	19,984,575