INCOME TAXES - Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended
	Jan. 31, 2015	Mar. 31, 2015	Mar. 31, 2016
Reductions of tax positions of prior years:
Effective tax rate (as a percent)		32.30%	32.90%
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	609
Additions for tax positions of prior years		1,811	496
Reductions of tax positions of prior years:
Changes in judgment		(16,416)	0
Settlements during the period		(112,063)	(3,842)
Lapses of applicable statute of limitations		0	0
Balance, end of period	$ 137,593		$ 10,401
Predecessor
Reconciliation of the beginning and ending amount of unrecognized tax benefits
Balance, beginning of period	193,244	$ 137,593
Additions for tax positions of the current year	(5,010)
Additions for tax positions of prior years	7,724
Reductions of tax positions of prior years:
Changes in judgment	(58,365)
Settlements during the period	0
Lapses of applicable statute of limitations	0
Balance, end of period	$ 137,593
Effective tax rate (as a percent)	(27.70%)