OPERATING SEGMENTS (Details) (USD $) In Thousands, unless otherwise specified	2 Months Ended	1 Months Ended	3 Months Ended
	Mar. 31, 2015	Jan. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Summarized financial information for the company's segments
Revenues	$ 722,327
Segment Operating Income (Loss)	89,727
Realized investment (losses) gains - investments	(42,933)
Realized investment (losses) gains - derivatives	46,033
Income tax expense	(29,966)
Net Income	62,861
Realized gain (losses) on investments
Investment gains (losses) - gross	(35,056)
Less: amortization related to DAC/VOBA and benefits and settlement expenses	7,877
Realized investment gains (losses) - investments	(42,933)
Realized gain (losses) on derivatives
Realized investment gains (losses) - derivatives, gross	33,641
Less: VA GMWB economic cost	(12,392)
Realized investment gains (losses) - derivatives	46,033
Operating Segment Assets
Investments and other assets	68,338,630
Deferred policy acquisition costs and value of business acquired	1,314,647
Other intangibles, net of accumulated amortization (2015 Successor - $6,886)	676,114
Goodwill	735,712
Total assets	71,065,103
Operating | Life Marketing
Summarized financial information for the company's segments
Revenues	272,176
Segment Operating Income (Loss)	3,425
Operating Segment Assets
Investments and other assets	13,568,112
Deferred policy acquisition costs and value of business acquired	991,539
Other intangibles, net of accumulated amortization (2015 Successor - $6,886)	333,841
Goodwill	203,543
Total assets	15,097,035
Operating | Acquisitions
Summarized financial information for the company's segments
Revenues	258,789
Segment Operating Income (Loss)	36,070
Operating Segment Assets
Investments and other assets	20,526,268
Deferred policy acquisition costs and value of business acquired	(183,586)
Other intangibles, net of accumulated amortization (2015 Successor - $6,886)	41,574
Goodwill	14,524
Total assets	20,398,780
Operating | Annuities
Summarized financial information for the company's segments
Revenues	103,369
Segment Operating Income (Loss)	38,185
Operating Segment Assets
Investments and other assets	20,469,723
Deferred policy acquisition costs and value of business acquired	462,339
Other intangibles, net of accumulated amortization (2015 Successor - $6,886)	206,778
Goodwill	336,677
Total assets	21,475,517
Operating | Stable Value Products
Summarized financial information for the company's segments
Revenues	10,342
Segment Operating Income (Loss)	6,115
Operating Segment Assets
Investments and other assets	1,799,982
Other intangibles, net of accumulated amortization (2015 Successor - $6,886)	9,889
Goodwill	113,813
Total assets	1,923,684
Operating | Asset Protection
Summarized financial information for the company's segments
Revenues	44,027
Segment Operating Income (Loss)	4,047
Operating Segment Assets
Investments and other assets	834,251
Deferred policy acquisition costs and value of business acquired	44,355
Other intangibles, net of accumulated amortization (2015 Successor - $6,886)	84,032
Goodwill	67,155
Total assets	1,029,793
Operating | Corporate and Other
Summarized financial information for the company's segments
Revenues	33,624
Segment Operating Income (Loss)	1,885
Operating Segment Assets
Investments and other assets	11,128,974
Total assets	11,128,974
Adjustments
Operating Segment Assets
Investments and other assets	11,320
Total assets	11,320
Predecessor
Summarized financial information for the company's segments
Revenues		340,909	1,090,558
Segment Operating Income (Loss)		28,485	145,035
Realized investment (losses) gains - investments		89,815	68,533
Realized investment (losses) gains - derivatives		(117,118)	(88,363)
Income tax expense		327	(41,566)
Net Income		1,509	83,639
Realized gain (losses) on investments
Investment gains (losses) - gross		80,672	70,523
Less: amortization related to DAC/VOBA and benefits and settlement expenses		(9,143)	1,990
Realized investment gains (losses) - investments		89,815	68,533
Realized gain (losses) on derivatives
Realized investment gains (losses) - derivatives, gross		(123,274)	(105,350)
Less: VA GMWB economic cost		(6,156)	(16,987)
Realized investment gains (losses) - derivatives		(117,118)	(88,363)
Other-than-temporary impairments		481	1,591
Operating Segment Assets
Investments and other assets				67,083,371
Deferred policy acquisition costs and value of business acquired				3,294,570
Goodwill				102,365
Total assets				70,480,306
Predecessor | Operating | Life Marketing
Summarized financial information for the company's segments
Revenues		145,595	384,766
Segment Operating Income (Loss)		(1,618)	23,485
Operating Segment Assets
Investments and other assets				13,858,491
Deferred policy acquisition costs and value of business acquired				1,973,156
Goodwill				10,192
Total assets				15,841,839
Predecessor | Operating | Acquisitions
Summarized financial information for the company's segments
Revenues		139,761	426,948
Segment Operating Income (Loss)		20,134	60,996
Operating Segment Assets
Investments and other assets				19,858,284
Deferred policy acquisition costs and value of business acquired				600,482
Goodwill				29,419
Total assets				20,488,185
Predecessor | Operating | Annuities
Summarized financial information for the company's segments
Revenues		7,884	144,657
Segment Operating Income (Loss)		13,164	51,643
Operating Segment Assets
Investments and other assets				20,783,373
Deferred policy acquisition costs and value of business acquired				684,574
Total assets				21,467,947
Predecessor | Operating | Stable Value Products
Summarized financial information for the company's segments
Revenues		8,181	27,819
Segment Operating Income (Loss)		4,529	17,397
Operating Segment Assets
Investments and other assets				1,958,867
Deferred policy acquisition costs and value of business acquired				621
Total assets				1,959,488
Predecessor | Operating | Asset Protection
Summarized financial information for the company's segments
Revenues		21,953	66,383
Segment Operating Income (Loss)		2,420	6,369
Operating Segment Assets
Investments and other assets				927,202
Deferred policy acquisition costs and value of business acquired				35,418
Goodwill				62,671
Total assets				1,025,291
Predecessor | Operating | Corporate and Other
Summarized financial information for the company's segments
Revenues		17,535	39,985
Segment Operating Income (Loss)		(10,144)	(14,855)
Operating Segment Assets
Investments and other assets				9,682,362
Deferred policy acquisition costs and value of business acquired				319
Goodwill				83
Total assets				9,682,764
Predecessor | Adjustments
Operating Segment Assets
Investments and other assets				14,792
Total assets				$ 14,792