Consolidated Statements of Stockholders' Equity and Comprehensive Income (USD $) In Thousands, unless otherwise specified	Total	Capital Stock, Common	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2011	$ 340,771	$ 907	$ 589	$ 398,706	$ (56,350)	$ (3,081)
Comprehensive income:
Net income	16,588	0	0	16,588	0	0
Other comprehensive income	0	0	0	0	0	0
Dividends on common stock	(1,736)	0	0	(1,736)	0	0
Stock-based Compensation	902	0	902	0	0	0
Balance at Mar. 31, 2012	$ 356,525	$ 907	$ 1,491	$ 413,558	$ (56,350)	$ (3,081)