CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED NET LOSS	$ (12,415)	$ (75,185)
NET CHANGE IN UNREALIZED LOSS ON INVESTMENT ACTIVITIES	(20)	97
COMPREHENSIVE LOSS	(12,435)	(75,088)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	5,691	4,057
COMPREHENSIVE LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (18,126)	$ (79,145)