Consolidated Statements of Stockholders' Equity - 6 months ended Jun. 30, 2016 - USD ($) $ in Thousands	Total	Capital Stock, Common	Additional Paid-in Capital	Retained Earnings	Treasury Stock
Balance at Dec. 31, 2015	$ 469,928	$ 907	$ 4,126	$ 575,948	$ (111,053)
Net income	30,745	0	0	30,745	0
Dividends on common stock, $0.04 per share	(3,332)	0	0	(3,332)	0
Treasury Stock, Value, Acquired, Cost Method	(14,678)	0	0	0	(14,678)
Stock-based compensation, net of tax	664	0	(748)	0	1,412
Balance at Jun. 30, 2016	$ 483,327	$ 907	$ 3,378	$ 603,361	$ (124,319)