INVESTMENT OPERATIONS (Details 4) $ in Thousands	1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended	12 Months Ended
	Jan. 31, 2015 USD ($)	Jun. 30, 2015 USD ($) position	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) position	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Fair Value
Less Than 12 Months		$ 30,315,915		$ 30,315,915
Total		30,315,915		30,315,915
Unrealized Loss
Less Than 12 Months		(2,200,457)		(2,200,457)
Total		$ (2,200,457)		$ (2,200,457)
Total positions that were in an unrealized loss position | position		2,435		2,435
Available-for-sale securities, fair value		$ 33,820,337		$ 33,820,337
Available-for-sale securities, amortized cost		35,959,726		35,959,726
Below investment grade
Unrealized Loss
Available-for-sale securities, fair value		1,600,000		1,600,000
Available-for-sale securities, amortized cost		1,600,000		1,600,000
Securities in trading portfolio		308,800		308,800
Securities not publicly traded		403,300		403,300
Fixed maturities:
Unrealized Loss
Available-for-sale securities, fair value		32,989,028		32,989,028
Available-for-sale securities, amortized cost		35,116,822		35,116,822
Securities in trading portfolio		2,700,000		2,700,000
Change in unrealized gains (losses), net of income tax		(1,039,827)		(1,383,066)
Residential mortgage-backed securities
Fair Value
Less Than 12 Months		1,043,439		1,043,439
Total		1,043,439		1,043,439
Unrealized Loss
Less Than 12 Months		(23,585)		(23,585)
Total		(23,585)		(23,585)
Available-for-sale securities, fair value		1,576,826		1,576,826
Available-for-sale securities, amortized cost		1,594,167		1,594,167
Commercial mortgage-backed securities
Fair Value
Less Than 12 Months		1,125,342		1,125,342
Total		1,125,342		1,125,342
Unrealized Loss
Less Than 12 Months		(34,102)		(34,102)
Total		(34,102)		(34,102)
Available-for-sale securities, fair value		1,203,156		1,203,156
Available-for-sale securities, amortized cost		1,236,987		1,236,987
Other asset-backed securities
Fair Value
Less Than 12 Months		723,695		723,695
Total		723,695		723,695
Unrealized Loss
Less Than 12 Months		(22,940)		(22,940)
Total		(22,940)		(22,940)
Percentage of underlying collateral including student-loan backed auction rate securities guaranteed by the Federal Family Education Loan Program ("FFELP"), minimum						97.00%
Available-for-sale securities, fair value		799,471		799,471
Available-for-sale securities, amortized cost		820,349		820,349
U.S. government-related securities
Fair Value
Less Than 12 Months		1,569,203		1,569,203
Total		1,569,203		1,569,203
Unrealized Loss
Less Than 12 Months		(42,983)		(42,983)
Total		(42,983)		(42,983)
Available-for-sale securities, fair value		1,601,530		1,601,530
Available-for-sale securities, amortized cost		1,644,086		1,644,086
Other government-related securities
Fair Value
Less Than 12 Months		18,782		18,782
Total		18,782		18,782
Unrealized Loss
Less Than 12 Months		(796)		(796)
Total		(796)		(796)
Available-for-sale securities, fair value		18,782		18,782
Available-for-sale securities, amortized cost		19,578		19,578
States, municipals, and political subdivisions
Fair Value
Less Than 12 Months		1,583,913		1,583,913
Total		1,583,913		1,583,913
Unrealized Loss
Less Than 12 Months		(135,050)		(135,050)
Total		(135,050)		(135,050)
Available-for-sale securities, fair value		1,585,068		1,585,068
Available-for-sale securities, amortized cost		1,720,059		1,720,059
Corporate securities
Fair Value
Less Than 12 Months		23,693,311		23,693,311
Total		23,693,311		23,693,311
Unrealized Loss
Less Than 12 Months		(1,925,808)		(1,925,808)
Total		(1,925,808)		(1,925,808)
Available-for-sale securities, fair value		26,142,528		26,142,528
Available-for-sale securities, amortized cost		28,017,234		28,017,234
Preferred stocks
Fair Value
Less Than 12 Months		61,667		61,667
Total		61,667		61,667
Unrealized Loss
Less Than 12 Months		(2,695)		(2,695)
Total		(2,695)		(2,695)
Available-for-sale securities, fair value		61,667		61,667
Available-for-sale securities, amortized cost		64,362		64,362
Equity securities
Fair Value
Less Than 12 Months		496,563		496,563
Total		496,563		496,563
Unrealized Loss
Less Than 12 Months		(12,498)		(12,498)
Total		(12,498)		(12,498)
Available-for-sale securities, fair value		674,372		674,372
Available-for-sale securities, amortized cost		685,967		685,967
Securities in trading portfolio		8,300		8,300
Change in unrealized gains (losses), net of income tax		$ (9,048)		$ (7,537)
Predecessor
Fair Value
Less Than 12 Months						$ 2,232,805
12 Months or More						1,904,974
Total						4,137,779
Unrealized Loss
Less Than 12 Months						(96,859)
12 Months or More						(116,560)
Total						(213,419)
Available-for-sale securities, fair value						34,824,298
Available-for-sale securities, amortized cost						31,763,413
Predecessor | Fixed maturities:
Unrealized Loss
Available-for-sale securities, fair value						33,937,420
Available-for-sale securities, amortized cost						30,898,028
Securities in trading portfolio						2,800,000
Change in unrealized gains (losses), net of income tax	$ 669,160		$ 519,488		$ 1,147,761
Predecessor | Residential mortgage-backed securities
Fair Value
Less Than 12 Months						165,877
12 Months or More						67,301
Total						233,178
Unrealized Loss
Less Than 12 Months						(9,547)
12 Months or More						(2,717)
Total						(12,264)
Available-for-sale securities, fair value						1,418,258
Available-for-sale securities, amortized cost						1,374,141
Predecessor | Commercial mortgage-backed securities
Fair Value
Less Than 12 Months						49,908
12 Months or More						102,529
Total						152,437
Unrealized Loss
Less Than 12 Months						(334)
12 Months or More						(2,030)
Total						(2,364)
Available-for-sale securities, fair value						1,177,252
Available-for-sale securities, amortized cost						1,119,979
Predecessor | Other asset-backed securities
Fair Value
Less Than 12 Months						108,665
12 Months or More						537,488
Total						646,153
Unrealized Loss
Less Than 12 Months						(6,473)
12 Months or More						(29,477)
Total						(35,950)
Available-for-sale securities, fair value						839,376
Available-for-sale securities, amortized cost						857,365
Predecessor | U.S. government-related securities
Fair Value
Less Than 12 Months						231,917
12 Months or More						280,803
Total						512,720
Unrealized Loss
Less Than 12 Months						(3,868)
12 Months or More						(5,414)
Total						(9,282)
Available-for-sale securities, fair value						1,428,895
Available-for-sale securities, amortized cost						1,394,028
Predecessor | Other government-related securities
Unrealized Loss
Available-for-sale securities, fair value						20,172
Available-for-sale securities, amortized cost						16,939
Predecessor | States, municipals, and political subdivisions
Fair Value
Less Than 12 Months						1,905
12 Months or More						10,481
Total						12,386
Unrealized Loss
Less Than 12 Months						(134)
12 Months or More						(297)
Total						(431)
Available-for-sale securities, fair value						1,687,689
Available-for-sale securities, amortized cost						1,391,526
Predecessor | Corporate securities
Fair Value
Less Than 12 Months						1,657,103
12 Months or More						776,863
Total						2,433,966
Unrealized Loss
Less Than 12 Months						(76,285)
12 Months or More						(62,690)
Total						(138,975)
Available-for-sale securities, fair value						27,365,778
Available-for-sale securities, amortized cost						24,744,050
Predecessor | Equity securities
Fair Value
Less Than 12 Months						17,430
12 Months or More						129,509
Total						146,939
Unrealized Loss
Less Than 12 Months						(218)
12 Months or More						(13,935)
Total						(14,153)
Available-for-sale securities, fair value						735,306
Available-for-sale securities, amortized cost						713,813
Securities in trading portfolio						$ 21,500
Change in unrealized gains (losses), net of income tax	$ 12,172		$ 14,591		$ 33,004