Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net income (loss)	$ 1,366	$ (3,367)
Settlement of employee benefit obligations directly related to the disposal transaction		2,422
Comprehensive income (loss)	$ 1,366	$ (945)