Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Capital Stock, Common	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2012	$ 290,364	$ 907	$ 2,968	$ 368,313	$ (80,540)	$ (1,284)
Net income	38,874	0	0	38,874	0	0
Other comprehensive income, net of tax	600	0	0	0	0	600
Dividends on common stock	(3,402)	0	0	(3,402)	0	0
Stock-based Compensation	622	0	622	0	0	0
Balance at Jun. 30, 2013	$ 327,058	$ 907	$ 3,590	$ 403,785	$ (80,540)	$ (684)