Consolidated Statements of Stockholders' Equity - 9 months ended Sep. 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	43,272	0	0	43,272	0
Dividends on common stock, $0.06 per share	(4,999)	0	0	(4,999)	0
Repurchases of common stock	(14,678)	0	0	0	(14,678)
Stock-based compensation, net of tax	740	0	(803)	0	1,543
Balance at Sep. 30, 2016	$ 494,263	$ 907	$ 3,323	$ 614,221	$ (124,188)