Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income (loss)	$ (66,049)	$ (2,146)	$ 73,951
Loss on foreign currency translation adjustment	(172)	(9,141)	10,628
Comprehensive loss	$ (66,221)	$ (11,287)	$ 84,579