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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
CONSOLIDATED NET LOSS $ (8,904) $ (10,255) $ (29,871) $ (38,975)
NET CHANGE IN UNREALIZED (LOSS) GAIN ON INVESTMENT ACTIVITIES, NET OF TAX (11) 27 (113) 147
COMPREHENSIVE LOSS, NET OF TAX (8,915) (10,228) (29,984) (38,828)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS 4,317 2,809 15,670 10,663
COMPREHENSIVE LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS $ (13,232) $ (13,037) $ (45,654) $ (49,491)