CONDENSED CONSOLIDATED STATEMENT OF OTHER COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1,902)	$ 10,721
Other comprehensive income (loss):
Foreign currency translation adjustment, net of applicable income taxes	65	333
Reclassification of currency translation adjustment included in income (loss) from discontinued operations, net of income taxes	0	(10,819)
Reclassification of pension liability adjustment included in income (loss) from discontinued operation, net of income taxes	0	(38)
Total other comprehensive income (loss), net of income taxes	65	(10,524)
Comprehensive (loss) income	$ (1,837)	$ 197