CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Thousands	Total	Convertible Preferred Stock [Member]	Common Stock Class A [Member]	Common Stock Class B [Member]	Common Stock Class C [Member]	Common Stock Class D [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Noncontrolling Interest [Member]
BALANCE at Dec. 31, 2013	$ 284,975	$ 0	$ 3	$ 3	$ 3	$ 39	$ (213)	$ 1,003,116	$ (925,002)	$ 207,026
Consolidated net (loss) income	(25,656)	0	0	0	0	0	0	0	(35,999)	10,343
Net change in unrealized loss on investment activities	154	0	0	0	0	0	154	0	0	0
Conversion of 278,482 shares of Class A common stock to Class D common stock	0	0	(1)	0	0	1	0	0	0	0
Conversion of 192,142 shares of Class C common stock to Class D common stock	0	0	0	0	0	0	0	0	0	0
Exercise of options for 92,040 shares of common stock	125	0	0	0	0	0	0	125	0	0
Dividends paid to noncontrolling interest	(9,831)	0	0	0	0	0	0	0	0	(9,831)
Adjustment of redeemable noncontrolling interests to estimated redemption value	897	0	0	0	0	0	0	897	0	0
Stock-based compensation expense	110	0	0	0	0	0	0	110	0	0
BALANCE at Jun. 30, 2014	$ 250,774	$ 0	$ 2	$ 3	$ 3	$ 40	$ (59)	$ 1,004,248	$ (961,001)	$ 207,538