Consolidated Statements of Stockholders' Equity - 6 months ended Jun. 30, 2019 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings
Balance at Dec. 31, 2018	$ 247,499	$ 208	$ 0	$ 247,291
Balance (in shares) at Dec. 31, 2018		51,991
Net income	23,863
Stock options exercised and restricted stock awards granted	7,685	$ 2	7,683
Stock options exercised and restricted stock awards granted (in shares)		384
Share-based compensation	5,073		5,073
Stock repurchased and retired	(11,171)	$ (1)	(11,170)
Stock repurchased and retired (in shares)		(257)
Dividends	(8,380)			(8,380)
Balance at Jun. 30, 2019	$ 264,569	$ 209	$ 1,586	$ 262,774
Balance (in shares) at Jun. 30, 2019		52,118