MONY CLOSED BLOCK OF BUSINESS (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Closed block liabilities
Future policy benefits, policyholders’ account balances and other policyholder liabilities				$ 5,679,732	$ 5,791,867
Policyholder dividend obligation	$ 160,712	$ 31,932	$ 31,932	0	160,712
Other liabilities				22,505	30,764
Total closed block liabilities				5,702,237	5,983,343
Closed block assets
Fixed maturities, available-for-sale, at fair value				4,257,437	4,669,856
Mortgage loans on real estate				75,838	108,934
Policy loans				672,213	700,769
Cash and other invested assets				116,225	31,182
Other assets				136,388	122,637
Total closed block assets				5,258,101	5,633,378
Excess of reported closed block liabilities over closed block assets				444,136	349,965
Portion of above representing accumulated other comprehensive income:
Net unrealized investments gains (losses) net of policyholder dividend obligation: $(141,128) and $(13,429); and net of income tax: $61,676 and $2,820				(120,528)	0
Future earnings to be recognized from closed block assets and closed block liabilities				$ 323,608	$ 349,965
Policyholder dividend obligation	(141,128)	(13,429)
Policyholder dividend obligation, deferred income tax	(61,676)	(2,820)
Reconciliation of the policyholder dividend obligation
Policyholder dividend obligation, beginning balance	160,712	31,932
Applicable to net revenue (losses)	(33,014)	(55,241)
Change in net unrealized investment gains (losses) allocated to policyholder dividend obligation	(127,698)	184,021
Policyholder dividend obligation, ending balance	0	160,712	31,932
Revenues
Premiums and other income	171,117	180,097	189,700
Net investment income	202,282	203,964	211,175
Net investment gains	(1,970)	910	1,524
Total revenues	371,429	384,971	402,399
Benefits and other deductions
Benefits and settlement expenses	337,352	335,200	353,488
Other operating expenses	714	1,940	2,804
Total benefits and other deductions	338,066	337,140	356,292
Net revenues before income taxes	33,363	47,831	46,107
Income tax expense	7,006	27,718	16,137
Net revenues	$ 26,357	$ 20,113	$ 29,970