MORTGAGE LOANS (Details 2)	1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended		12 Months Ended
	Jan. 31, 2015 USD ($) loan	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) loan	Jun. 30, 2015 USD ($) item	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Change in the allowance for credit losses
Recoveries				$ (638,000)
Provision				1,173,000
Ending balance		$ 535,000		535,000	$ 535,000
Commercial mortgage loans
Mortgage loans
Mortgage loans having participation feature		548,400,000		548,400,000	548,400,000
Income recognized on participating mortgage loans		3,300,000		5,100,000
Nonperforming mortgage loans, foreclosed properties and restructured loans pursuant to pooling and servicing agreements		$ 4,200,000		$ 4,200,000	$ 4,200,000
Nonperforming mortgage loans, foreclosed properties and restructured loans to invested assets (as a percent)		0.01%		0.01%	0.01%
Assets accepted or agreed to be accepted on mortgage loans accounted for as troubled debt restructurings				$ 1,500,000
Principal amount of loans accounted for as troubled debt restructurings satisfied by acceptance of assets				2,000,000
Number of loan categories | item					2
Loans not subject to a pooling and servicing agreement which are either nonperforming, restructured, and/or foreclosed		$ 4,200,000		4,200,000	$ 4,200,000
Loans subject to a pooling and servicing agreement which are either nonperforming or restructured		$ 0		$ 0	$ 0
Number of nonperforming loans which have been restructured | loan				0
Commercial mortgage loans | Maximum
Mortgage loans
Loan-to-value ratio with participating interest (as a percent)		85.00%		85.00%	85.00%
Predecessor
Mortgage loans
Number of nonperforming loans which have been restructured | loan	0
Predecessor | Commercial mortgage loans
Mortgage loans
Mortgage loans having participation feature							$ 553,600,000
Income recognized on participating mortgage loans	$ 100,000		$ 2,800,000			$ 5,800,000
Assets accepted or agreed to be accepted on mortgage loans accounted for as troubled debt restructurings	11,300,000
Principal amount of loans accounted for as troubled debt restructurings satisfied by acceptance of assets	13,800,000
Change in the allowance for credit losses
Beginning balance	5,720,000			$ 2,500,000	$ 5,720,000	$ 3,130,000	3,130,000
Charge offs	(861,000)						(675,000)
Recoveries	(2,359,000)						(2,600,000)
Provision							5,865,000
Ending balance	$ 2,500,000						$ 5,720,000