Consolidated Statements of Stockholders' Equity - 3 months ended Mar. 31, 2016 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings
Balance at Dec. 31, 2015	$ 178,918	$ 212	$ 0	$ 178,706
Balance (in shares) at Dec. 31, 2015		53,012
Net income	10,806
Stock options exercised and restricted stock awards vested, including tax benefits	1,454	$ 1	1,453
Stock options exercised and restricted stock awards vested, including tax benefits (in shares)		194
Share-based compensation	948		948
Stock repurchased and retired	(3,456)	$ (1)	(2,401)	(1,054)
Stock repurchased and retired (in shares)		(146)
Dividends	0
Balance at Mar. 31, 2016	$ 188,670	$ 212	$ 0	$ 188,458
Balance (in shares) at Mar. 31, 2016		53,060