CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT - USD ($)	Total	Common Stock	Common Stock Class C Shares	Common Stock Class B Shares	Common Stock Class A Shares	Non- controlling Interest	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2013			58,967,502	555,556	29,504,379
Beginning balance at Dec. 31, 2013	$ (8,696,635,000)	$ 89,000				$ 245,531,000	$ 2,148,303,000	$ (10,888,629,000)	$ (196,073,000)	$ (5,856,000)
Increase Decrease In Stockholders Equity
Net income (loss)	(762,158,000)					31,603,000		(793,761,000)
Issuance (forfeiture) of restricted stock (in shares)					(196,796)
Issuance (forfeiture) of restricted stock	1,244,000					2,237,000				(993,000)
Amortization of share-based compensation	10,713,000					7,743,000	2,970,000
Purchases of additional noncontrolling interest	(48,750,000)					(1,944,000)	(42,881,000)		(3,925,000)
Dividend declared and paid to noncontrolling interests	(40,027,000)					(40,027,000)
Other	77,000					77,000	(5,603,000)			5,603,000
Other comprehensive income (loss)	(129,672,000)					(21,080,000)			(108,592,000)
Ending balance (in shares) at Dec. 31, 2014			58,967,502	555,556	29,307,583
Ending balance at Dec. 31, 2014	(9,665,208,000)	89,000				224,140,000	2,102,789,000	(11,682,390,000)	(308,590,000)	(1,246,000)
Increase Decrease In Stockholders Equity
Net income (loss)	(737,490,000)					17,131,000		(754,621,000)
Issuance (forfeiture) of restricted stock (in shares)					987,874
Issuance (forfeiture) of restricted stock	2,215,000	1,000				2,886,000	(1,000)			(671,000)
Amortization of share-based compensation	10,923,000					8,359,000	2,564,000
Purchases of additional noncontrolling interest	(42,797,000)					(1,978,000)	(36,403,000)		(4,416,000)
Dividend declared and paid to noncontrolling interests	(52,384,000)					(52,384,000)
Other	1,871,000					1,871,000
Other comprehensive income (loss)	(123,811,000)					(22,410,000)			(101,401,000)
Ending balance (in shares) at Dec. 31, 2015			58,967,502	555,556	30,295,457
Ending balance at Dec. 31, 2015	(10,606,681,000)	90,000				177,615,000	2,068,949,000	(12,437,011,000)	(414,407,000)	(1,917,000)
Increase Decrease In Stockholders Equity
Net income (loss)	(240,003,000)					56,315,000		(296,318,000)
Issuance (forfeiture) of restricted stock (in shares)					1,206,991
Issuance (forfeiture) of restricted stock	(1,565,000)	1,000				(1,366,000)	(1,000)			(199,000)
Amortization of share-based compensation	13,086,000					10,238,000	2,848,000
Purchases of additional noncontrolling interest	0					1,224,000	1,224,000
Disposal of noncontrolling interest	(36,846,000)					(36,846,000)
Dividend declared and paid to noncontrolling interests	(70,412,000)					(70,412,000)
Other	623,000					623,000	3,000			(3,000)
Other comprehensive income (loss)	56,323,000					(2,208,000)			58,531,000
Ending balance (in shares) at Dec. 31, 2016			58,967,502	555,556	31,502,448
Ending balance at Dec. 31, 2016	$ (10,885,475,000)	$ 91,000				$ 135,183,000	$ 2,070,575,000	$ (12,733,329,000)	$ (355,876,000)	$ (2,119,000)