INCOME TAXES - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Jan. 31, 2015	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2014
Reductions of tax positions of prior years:
Net refund in future period			$ 6,200
Increase to current tax expense			1,400
Tax benefit reflected on current tax return			2,900
Successor
Reconciliation of the beginning and ending amount of unrecognized tax benefits
Balance, beginning of period		$ 137,593	13,138
Additions for tax positions of the current year		2,213	2,122
Additions for tax positions of prior years		1,811	1,318
Reductions of tax positions of prior years:
Changes in judgment		(16,416)	(975)
Settlements during the period		(112,063)	(5,747)
Lapses of applicable statute of limitations		0	0
Balance, end of period	$ 137,593	13,138	9,856
Unrecognized tax benefits with certainty of deductibility but with uncertainty about the timing of deductions		5,600	700
Amount of unrecognized tax benefits that would affect the effective income tax rate if recognized		7,500	9,200
Accrued interest related to the unrecognized tax benefits included in income tax expense (benefit)		1,600	(3,100)
Accrued interest associated with unrecognized tax benefits		15,400	$ 2,800
Predecessor
Reconciliation of the beginning and ending amount of unrecognized tax benefits
Balance, beginning of period	193,244	$ 137,593		$ 105,881
Additions for tax positions of the current year				57,463
Decrease for tax positions of the current year	(5,010)
Additions for tax positions of prior years	7,724			39,433
Reductions of tax positions of prior years:
Changes in judgment	(58,365)			(9,533)
Settlements during the period	0			0
Lapses of applicable statute of limitations	0			0
Balance, end of period	137,593			193,244
Unrecognized tax benefits with certainty of deductibility but with uncertainty about the timing of deductions	126,000			181,900
Amount of unrecognized tax benefits that would affect the effective income tax rate if recognized	11,500			11,300
Accrued interest related to the unrecognized tax benefits included in income tax expense (benefit)	(900)			3,900
Accrued interest associated with unrecognized tax benefits	$ 12,700			$ 14,300