INVESTMENT OPERATIONS (Details) - 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
Net realized gains (losses) for all other investments
Fixed maturities		$ 3,329		$ 3,702
Equity securities		21		21
Impairments on fixed maturity securities		(5,734)		(5,734)
Modco trading portfolio		(108,741)		(141,901)
Other investments		3,044		775
Total realized gains (losses) - investments		(108,081)		(143,137)
Gross realized gains on investments available-for-sale (fixed maturities, equity securities, and short-term investments)		5,400		6,900
Gross realized losses		7,800		8,900
Impairment losses on investments available-for-sale		5,700		5,700
Fair value (proceeds) of securities in an unrealized gain position sold		430,100		712,900
Gain realized on the sale of securities in an unrealized gain position		5,400		6,900
Fair value (proceeds) of securities sold in an unrealized loss position		28,600		49,300
Loss realized on the sale of securities in an unrealized loss position		$ 2,100		$ 3,200
Predecessor
Net realized gains (losses) for all other investments
Fixed maturities	$ 6,891		$ 20,198		$ 27,568
Impairments on fixed maturity securities	(481)		(1,460)		(3,051)
Modco trading portfolio	73,062		60,989		127,292
Other investments	1,200		(721)		(2,248)
Total realized gains (losses) - investments	80,672		79,006		149,561
Gross realized gains on investments available-for-sale (fixed maturities, equity securities, and short-term investments)	6,900		20,400		28,100
Gross realized losses	500		1,600		3,400
Impairment losses on investments available-for-sale	400		1,400		2,900
Fair value (proceeds) of securities in an unrealized gain position sold	172,600		306,300		571,000
Gain realized on the sale of securities in an unrealized gain position	6,900		20,400		28,100
Fair value (proceeds) of securities sold in an unrealized loss position	$ 400		1,600		4,400
Loss realized on the sale of securities in an unrealized loss position			$ 200		$ 500