OFFSETTING OF ASSETS AND LIABILITIES (Details 2) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	$ 46,735
Net Amounts of Liabilities Presented in the Statement of Financial Position	46,735
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	41,440
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	5,295
Total derivatives, not subject to a master netting arrangement or similar arrangement
Total derivatives, not subject to a master netting arrangement or similar arrangement	549,262
Total derivatives
Gross Amounts of Recognized Liabilities	595,997
Net Amounts of Liabilities Presented in the Statement of Financial Position	595,997us-gaap_DerivativeLiabilities
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	41,440
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	5,295
Total derivatives, Net Amount	549,262
Repurchase agreements
Repurchase agreements	510,123
Total Liabilities
Gross Amounts of Recognized Liabilities	1,106,120
Net Amounts of Liabilities Presented in the Statement of Financial Position	1,106,120
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	41,440
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	5,295
Net Amount	1,059,385
Free-Standing derivatives
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	46,735
Net Amounts of Liabilities Presented in the Statement of Financial Position	46,735
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	41,440
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	5,295
Embedded derivative - Modco reinsurance treaties
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	341,698
Net Amounts of Liabilities Presented in the Statement of Financial Position	341,698
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	341,698
Funds withheld derivative
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	71,533
Net Amounts of Liabilities Presented in the Statement of Financial Position	71,533
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	71,533
Embedded derivative - GMWB
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	44,312
Net Amounts of Liabilities Presented in the Statement of Financial Position	44,312
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	44,312
Embedded derivative - FIA
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	83,126
Net Amounts of Liabilities Presented in the Statement of Financial Position	83,126
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	83,126
Embedded derivative - IUL
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	8,593
Net Amounts of Liabilities Presented in the Statement of Financial Position	8,593
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	8,593
Predecessor
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities		65,887
Net Amounts of Liabilities Presented in the Statement of Financial Position		65,887
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments		53,612
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid		12,258
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount		17
Total derivatives, not subject to a master netting arrangement or similar arrangement
Total derivatives, not subject to a master netting arrangement or similar arrangement		563,648
Total derivatives
Gross Amounts of Recognized Liabilities		629,535
Net Amounts of Liabilities Presented in the Statement of Financial Position		629,535
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments		53,612
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid		12,258
Total derivatives, Net Amount		563,665
Repurchase agreements
Repurchase agreements		50,000
Total Liabilities
Gross Amounts of Recognized Liabilities		679,535
Net Amounts of Liabilities Presented in the Statement of Financial Position		679,535
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments		53,612
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid		12,258
Net Amount		613,665
Predecessor \| Free-Standing derivatives
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities		65,887
Net Amounts of Liabilities Presented in the Statement of Financial Position		65,887
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments		53,612
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid		12,258
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount		17
Predecessor \| Embedded derivative - Modco reinsurance treaties
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities		57,305
Net Amounts of Liabilities Presented in the Statement of Financial Position		57,305
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount		57,305
Predecessor \| Funds withheld derivative
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities		311,727
Net Amounts of Liabilities Presented in the Statement of Financial Position		311,727
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount		311,727
Predecessor \| Embedded derivative - GMWB
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities		63,460
Net Amounts of Liabilities Presented in the Statement of Financial Position		63,460
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount		63,460
Predecessor \| Embedded derivative - FIA
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities		124,465
Net Amounts of Liabilities Presented in the Statement of Financial Position		124,465
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount		124,465
Predecessor \| Embedded derivative - IUL
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities		6,691
Net Amounts of Liabilities Presented in the Statement of Financial Position		6,691
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount		$ 6,691

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