CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT - USD ($) $ in Thousands	Total	Non- controlling Interest	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2014	$ (9,665,208)	$ 224,533	$ 500	$ 2,101,165	$ (11,682,816)	$ (308,590)
Increase Decrease In Stockholders Equity
Consolidated Net income (loss)	(737,634)	17,140			(754,774)
Issuance of restricted stock	2,215	2,886		(671)
Amortization of share-based compensation	11,067	8,502		2,565
Purchases of additional noncontrolling interest	42,797	1,978		36,403		4,416
Dividend declared and paid to noncontrolling interests	(52,384)	(52,384)
Other	1,871	1,871
Other comprehensive income (loss)	(123,811)	(22,410)				(101,401)
Ending balance at Dec. 31, 2015	(10,606,681)	178,160	500	2,066,656	(12,437,590)	(414,407)
Increase Decrease In Stockholders Equity
Consolidated Net income (loss)	(240,050)	56,312			(296,362)
Issuance of restricted stock	(1,565)	(1,366)		(199)
Amortization of share-based compensation	13,133	10,291		2,842
Purchases of additional noncontrolling interest	0	1,224		1,224
Disposal of noncontrolling interest	(36,846)	(36,846)
Dividend declared and paid to noncontrolling interests	(70,412)	(70,412)
Other	623	623
Other comprehensive income (loss)	56,323	(2,208)				58,531
Ending balance at Dec. 31, 2016	(10,885,475)	135,778	500	2,068,075	(12,733,952)	(355,876)
Increase Decrease In Stockholders Equity
Consolidated Net income (loss)	(460,018)	(66,127)			(393,891)
Issuance of restricted stock	(1,823)	(1,468)		(355)
Amortization of share-based compensation	12,078	9,590		2,488
Purchases of additional noncontrolling interest	(1,227)	(703)		(524)
Disposal of noncontrolling interest	(2,439)	(2,439)
Dividend declared and paid to noncontrolling interests	(46,151)	(46,151)
Other	192	192
Other comprehensive income (loss)	57,408	14,092				43,316
Ending balance at Dec. 31, 2017	$ (11,327,455)	$ 42,764	$ 500	$ 2,069,684	$ (13,127,843)	$ (312,560)