Consolidated Statements of Comprehensive Income (Loss) Statement - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net earnings (loss)	$ 8,492	$ 6,653	$ (105,195)
Foreign currency translation adjustments, net of tax ($73), $2,822, and ($2,794) for 2018, 2017, and 2016, respectively	(274)	5,241	(5,188)
Total other comprehensive income (loss)	(274)	5,241	(5,188)
Comprehensive income (loss)	8,218	11,894	(110,383)
Foreign currency translation tax adjustment	$ (73)	$ 2,822	$ (2,794)