CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - 3 months ended Mar. 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive income (loss)	Treasury stock
Beginning Balance (in shares) at Dec. 31, 2017		31,159
Beginning Balance at Dec. 31, 2017	$ 43,152	$ 34	$ 483,558	$ (443,419)	$ 10,709	$ (7,730)
Net income (loss)	10,721			10,721
Other comprehensive income (loss), net of applicable tax	(10,524)				(10,524)
Purchase of restricted stock from employees (in shares)		34
Purchase of restricted stock from employees	67					67
Stock-based compensation (in shares)		453
Stock-based compensation	696		696
Ending Balance (in shares) at Mar. 31, 2018		31,578
Ending Balance at Mar. 31, 2018	$ 43,978	$ 34	$ 484,254	$ (432,698)	$ 185	$ (7,797)