OFFSETTING OF ASSETS AND LIABILITIES - Schedule of Derivative Instruments by Assets (Details) - Successor - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Offsetting of Derivative Assets
Derivatives Not Subject to Master Netting Arrangement. Gross Amounts of Recognized Assets	$ 673,817	$ 323,570
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	673,817	323,570
Derivatives Not Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	114,968	42,382
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	299,819	105,842
Net Amount	259,030	175,346
Total derivatives, subject to a master netting arrangement or similar arrangement
Offsetting of Derivative Assets
Derivatives Subject to Master Netting Arrangement, Gross Amounts of Recognized Assets	586,545	254,840
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	586,545	254,840
Derivatives Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	114,968	42,382
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	299,819	105,842
Net Amount	171,758	106,616
Free-Standing derivatives
Offsetting of Derivative Assets
Derivatives Subject to Master Netting Arrangement, Gross Amounts of Recognized Assets	586,545	254,840
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	586,545	254,840
Derivatives Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	114,968	42,382
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	299,819	105,842
Net Amount	171,758	106,616
Total derivatives, not subject to a master netting arrangement or similar arrangement
Offsetting of Derivative Assets
Derivatives Not Subject to Master Netting Arrangement. Gross Amounts of Recognized Assets	87,272	68,730
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	87,272	68,730
Derivatives Not Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0	0
Net Amount	87,272	68,730
Embedded derivative - Modco reinsurance treaties
Offsetting of Derivative Assets
Derivatives Not Subject to Master Netting Arrangement. Gross Amounts of Recognized Assets	2,787	1,215
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	2,787	1,215
Derivatives Not Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0	0
Net Amount	2,787	1,215
Embedded derivative - GMWB
Offsetting of Derivative Assets
Derivatives Not Subject to Master Netting Arrangement. Gross Amounts of Recognized Assets	33,675	49,007
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	33,675	49,007
Derivatives Not Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0	0
Net Amount	33,675	49,007
Derivatives with PLC
Offsetting of Derivative Assets
Derivatives Not Subject to Master Netting Arrangement. Gross Amounts of Recognized Assets	50,687	18,161
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	50,687	18,161
Derivatives Not Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0	0
Net Amount	50,687	18,161
Other
Offsetting of Derivative Assets
Derivatives Not Subject to Master Netting Arrangement. Gross Amounts of Recognized Assets	123	347
Gross Amounts Offset in the Settlement of Financial Position	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	123	347
Derivatives Not Subject to Master Netting Arrangement, Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	0	0
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0	0
Net Amount	$ 123	$ 347

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and elected not to be offset.

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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