MONY CLOSED BLOCK OF BUSINESS - Schedule of Reconciliation of the Policyholder Dividend Obligation (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended
	Jan. 31, 2015	Mar. 31, 2015	Mar. 31, 2016
Successor
Entity Information [Line Items]
Policyholder dividend obligation, beginning of period		$ 323,432	$ 0
Applicable to net revenue (losses)		(12,855)	(19,572)
Change in net unrealized investment gains (losses) allocated to the policyholder dividend obligation; includes deferred tax benefits of $55,951 (Successor); $20,692 (2015 - Successor); $47,277 (2015 - Predecessor)		(59,119)	116,080
Policyholder dividend obligation, end of period	$ 323,432	251,458	96,508
Deferred tax benefits		20,692	$ 55,951
Predecessor
Entity Information [Line Items]
Policyholder dividend obligation, beginning of period	366,745	$ 500,453
Applicable to net revenue (losses)	(1,369)
Change in net unrealized investment gains (losses) allocated to the policyholder dividend obligation; includes deferred tax benefits of $55,951 (Successor); $20,692 (2015 - Successor); $47,277 (2015 - Predecessor)	135,077
Policyholder dividend obligation, end of period	500,453
Deferred tax benefits	$ 47,277