CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONSOLIDATED NET LOSS	$ (12,674)	$ (5,408)	$ (24,697)	$ (25,710)
NET CHANGE IN UNREALIZED (LOSS) GAIN ON INVESTMENT ACTIVITIES, NET OF TAX	(1)	34	115	154
COMPREHENSIVE LOSS	(12,675)	(5,374)	(24,582)	(25,556)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	365	5,408	6,831	10,289
COMPREHENSIVE LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (13,040)	$ (10,782)	$ (31,413)	$ (35,845)