INCOME TAXES - Reconciliation of Income Tax to Income Tax Benefit (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Amount
Income tax benefit at statutory rates									$ 101,667	$ 227,686	$ 246,284
State income taxes, net of federal tax effect									6,372	17,795	26,518
Foreign income taxes									(21,477)	(23,474)	11,074
Nondeductible items									(5,760)	(5,764)	(5,533)
Changes in valuation allowance and other estimates									(31,229)	(302,935)	(333,641)
Other, net									901	(265)	(3,191)
Income tax benefit (expense)	$ 92,717	$ (5,613)	$ (27,137)	$ (9,493)	$ (5,434)	$ (2,841)	$ (22,077)	$ (56,605)	$ 50,474	$ (86,957)	$ (58,489)
Percent
Income tax benefit at statutory rates									35.00%	35.00%	35.00%
State income taxes, net of federal tax effect									2.20%	2.70%	3.80%
Foreign income taxes									(7.40%)	(3.60%)	1.60%
Nondeductible items									(2.00%)	(0.90%)	(0.80%)
Changes in valuation allowance and other estimates									(10.70%)	(46.60%)	(47.40%)
Other, net									0.30%	0.00%	(0.50%)
Income tax benefit (expense)									17.40%	(13.40%)	(8.30%)