Condensed Consolidated Statement of Changes In Stockholders' Equity - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Capital Stock Preferred	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning Balance at Dec. 31, 2016	$ 146,292	$ 4	$ 6,715	$ 14,279	$ 142,652	$ (373)	$ (16,985)
Comprehensive income:
Net income	8,678				8,678
Other Comprehensive loss	(41)					(41)
Dividends and dividend equivalents, net of estimated forfeitures	(687)				(687)
Share-based compensation	899			899
Stock shares awarded, forfeited, and/or vested	128			(860)			988
Stock shares repurchased	(1,131)						(1,131)
Ending Balance at Mar. 31, 2017	$ 154,138	$ 4	$ 6,715	$ 14,318	$ 150,643	$ (414)	$ (17,128)