ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Dec. 31, 2014	Jul. 09, 2014	Dec. 31, 2016	Dec. 31, 2015
Changes in AOCI by Component
Balance at the beginning of the period			$ (21)
Other comprehensive income	$ (25,317)		21	$ 25,296
Balance at the end of the period				(21)
Net Unrealized Gain (Loss) on Investments
Changes in AOCI by Component
Balance at the beginning of the period			(21)	(25,317)
OCI before reclassifications	(25,317)		(2,385)	(13,268)
Amounts reclassified from AOCI			2,406	38,564
Other comprehensive income	(25,317)		$ 21	25,296
Balance at the end of the period	(25,317)			$ (21)
Predecessor
Changes in AOCI by Component
Balance at the beginning of the period	30,357	$ 53,722
OCI before reclassifications		(25,945)
Amounts reclassified from AOCI		2,580
Other comprehensive income		(23,365)
Balance at the end of the period		30,357
Predecessor | Net Unrealized Gain (Loss) on Cash Flow Hedges
Changes in AOCI by Component
Balance at the beginning of the period	(4,575)	(6,976)
OCI before reclassifications		(179)
Amounts reclassified from AOCI		2,580
Other comprehensive income		2,401
Balance at the end of the period		(4,575)
Predecessor | Net Unrealized Gain (Loss) on Investments
Changes in AOCI by Component
Balance at the beginning of the period	$ 34,932	60,698
OCI before reclassifications		(25,766)
Other comprehensive income		(25,766)
Balance at the end of the period		$ 34,932