ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details 2) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	Jan. 31, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reclassifications Out of Accumulated Other Comprehensive Income (Loss)
Benefits and settlement expenses, net of reinsurance ceded		$ (693,392)		$ (1,178,816)
Realized investment gains (losses): All other investments		(102,347)		(137,403)
Net impairment losses recognized in earnings		(5,734)		(5,734)
Total before tax		(35,567)		(11,031)
Tax (expense) or benefit		9,991		1,875
Gains and losses on derivative instruments | Amount Reclassified from Accumulated Other Comprehensive Income (Loss)
Reclassifications Out of Accumulated Other Comprehensive Income (Loss)
Benefits and settlement expenses, net of reinsurance ceded		(41)		(131)
Total before tax		(41)		(131)
Tax (expense) or benefit		14		45
Net of tax		(27)		(86)
Unrealized gains and losses on available-for-sale securities | Amount Reclassified from Accumulated Other Comprehensive Income (Loss)
Reclassifications Out of Accumulated Other Comprehensive Income (Loss)
Realized investment gains (losses): All other investments		3,350		3,723
Net impairment losses recognized in earnings		(5,734)		(5,734)
Total before tax		(2,384)		(2,011)
Tax (expense) or benefit		834		703
Net of tax		$ (1,550)		$ (1,308)
Predecessor
Reclassifications Out of Accumulated Other Comprehensive Income (Loss)
Benefits and settlement expenses, net of reinsurance ceded	$ (266,575)		$ (746,641)		$ (1,474,069)
Realized investment gains (losses): All other investments	81,153		80,466		152,612
Net impairment losses recognized in earnings	(481)		(1,460)		(3,051)
Total before tax	132,847		172,615		324,226
Tax (expense) or benefit	(44,325)		(56,572)		(105,634)
Predecessor | Gains and losses on derivative instruments | Amount Reclassified from Accumulated Other Comprehensive Income (Loss)
Reclassifications Out of Accumulated Other Comprehensive Income (Loss)
Benefits and settlement expenses, net of reinsurance ceded	(36)		(614)		(1,284)
Total before tax	(36)		(614)		(1,284)
Tax (expense) or benefit	13		215		449
Net of tax	(23)		(399)		(835)
Predecessor | Unrealized gains and losses on available-for-sale securities | Amount Reclassified from Accumulated Other Comprehensive Income (Loss)
Reclassifications Out of Accumulated Other Comprehensive Income (Loss)
Realized investment gains (losses): All other investments	6,891		20,198		27,568
Net impairment losses recognized in earnings	(481)		(1,460)		(3,051)
Total before tax	6,410		18,738		24,517
Tax (expense) or benefit	(2,244)		(6,558)		(8,581)
Net of tax	$ 4,166		$ 12,180		$ 15,936