CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONSOLIDATED NET (LOSS) INCOME	$ (8,552)	$ 46,465	$ (20,967)	$ (28,720)
NET CHANGE IN UNREALIZED (LOSS) GAIN ON INVESTMENT ACTIVITIES, NET OF TAX	(82)	23	(102)	120
COMPREHENSIVE (LOSS) INCOME	(8,634)	46,488	(21,069)	(28,600)
LESS: COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	5,662	3,797	11,353	7,854
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (14,296)	$ 42,691	$ (32,422)	$ (36,454)