CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (22,009)	$ (5,442)
Foreign currency translation gain (loss)	(551)	91
Total comprehensive loss	(22,560)	(5,351)
Less: comprehensive income attributable to noncontrolling interest	3,021	4,433
Comprehensive loss attributable to the Corporation	$ (25,581)	$ (9,784)