OFFSETTING OF ASSETS AND LIABILITIES (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	$ 90,805
Net Amounts of Liabilities Presented in the Statement of Financial Position	90,805
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	53,905
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	36,900
Total derivatives, not subject to a master netting arrangement or similar arrangement
Total derivatives, not subject to a master netting arrangement or similar arrangement	439,945
Total derivatives
Gross Amounts of Recognized Liabilities	530,750
Net Amounts of Liabilities Presented in the Statement of Financial Position	530,750
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	53,905
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	36,900
Total derivatives, Net Amount	439,945
Repurchase agreements
Repurchase agreements	602,213
Total Liabilities
Gross Amounts of Recognized Liabilities	1,132,963
Net Amounts of Liabilities Presented in the Statement of Financial Position	1,132,963
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	53,905
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	36,900
Net Amount	1,042,158
Free-Standing derivatives
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	90,805
Net Amounts of Liabilities Presented in the Statement of Financial Position	90,805
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	53,905
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Paid	36,900
Embedded derivative - Modco reinsurance treaties
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	223,342
Net Amounts of Liabilities Presented in the Statement of Financial Position	223,342
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	223,342
Funds withheld derivative
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	96,999
Net Amounts of Liabilities Presented in the Statement of Financial Position	96,999
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	96,999
Embedded derivative - GMWB
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	22,573
Net Amounts of Liabilities Presented in the Statement of Financial Position	22,573
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	22,573
Embedded derivative - FIA
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	85,129
Net Amounts of Liabilities Presented in the Statement of Financial Position	85,129
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	85,129
Embedded derivative - IUL
Total derivatives, subject to a master netting arrangement or similar arrangement
Gross Amounts of Recognized Liabilities	11,902
Net Amounts of Liabilities Presented in the Statement of Financial Position	11,902
Total derivatives, subject to a master netting arrangement or similar arrangement, Net Amount	$ 11,902
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		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 | Funds withheld derivative
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 | 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