DEBT AND OTHER OBLIGATIONS - Non-Recourse Funding Obligations Outstanding (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Successor
Debt Instrument [Line Items]
Outstanding Principal	$ 2,740,691	$ 645,991
Carrying Value	2,796,474	685,684
Golden Gate Captive Insurance Company | Successor
Debt Instrument [Line Items]
Outstanding Principal	2,116,000
Carrying Value	$ 2,116,000
Year-to-Date Weighted-Avg Interest Rate	4.75%
Golden Gate II
Debt Instrument [Line Items]
Carrying Value	$ 58,600
Golden Gate II | Successor
Debt Instrument [Line Items]
Outstanding Principal	58,600	144,900
Carrying Value	$ 49,983	$ 118,481
Year-to-Date Weighted-Avg Interest Rate	2.52%	1.32%
Golden Gate V | Successor
Debt Instrument [Line Items]
Outstanding Principal	$ 565,000	$ 500,000
Carrying Value	$ 628,025	$ 564,679
Year-to-Date Weighted-Avg Interest Rate	5.12%	5.12%
MONY | Successor
Debt Instrument [Line Items]
Outstanding Principal	$ 1,091	$ 1,091
Carrying Value	$ 2,466	$ 2,524
Year-to-Date Weighted-Avg Interest Rate	6.19%	6.19%