CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net loss	$ (75,433)	$ (253,116)
Other comprehensive income:
Foreign currency translation adjustment	0	979
Reclassification of Russia cumulative translation loss to Net Loss upon sale		33,347
Other comprehensive income	0	34,326
Comprehensive loss	(75,433)	(218,790)
Russia
Other comprehensive income:
Reclassification of Russia cumulative translation loss to Net Loss upon sale	$ 0	$ 33,347