INVESTMENT OPERATIONS (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Jan. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net realized investment gains (losses) for all other investments
Fixed maturities		$ (1,304)		$ 2,408
Equity securities		51		72
Impairments on fixed maturity securities		(10,064)		(15,798)
Modco trading portfolio		8,377		(133,524)
Other investments		(1,776)		(1,001)
Total realized gains (losses) - investments		(4,716)		(147,843)
Gross realized gains on investments available-for-sale (fixed maturities, equity securities, and short-term investments)		700		7,700
Gross realized losses		12,000		21,000
Impairment losses on investments available-for-sale		10,100		15,800
Fair value (proceeds) of securities in an unrealized gain position sold		94,800		809,900
Gain realized on the sale of securities in an unrealized gain position		700		7,700
Fair value (proceeds) of securities in an unrealized loss position sold		34,600		83,900
Loss realized on the sale of securities in an unrealized loss position		$ 2,000		$ 5,200
Predecessor
Net realized investment gains (losses) for all other investments
Fixed maturities	$ 6,891		$ 22,329		$ 49,897
Equity securities			1,298		1,298
Impairments on fixed maturity securities	(481)		(2,354)		(5,405)
Modco trading portfolio	73,062		(17,225)		110,067
Other investments	1,200		(5,208)		(7,806)
Total realized gains (losses) - investments	80,672		(1,160)		148,051
Gross realized gains on investments available-for-sale (fixed maturities, equity securities, and short-term investments)	6,900		23,900		51,900
Gross realized losses	500		2,500		5,900
Impairment losses on investments available-for-sale	400		2,300		5,100
Fair value (proceeds) of securities in an unrealized gain position sold	172,600		497,100		1,100,000
Gain realized on the sale of securities in an unrealized gain position	6,900		23,900		51,900
Fair value (proceeds) of securities in an unrealized loss position sold	$ 400		2,300		6,700
Loss realized on the sale of securities in an unrealized loss position			$ 300		$ 800