MORTGAGE LOANS (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Mortgage loans
Period for exercise of call options or interest rate reset options	12 years
Successor
Mortgage loans
Mortgage loan holdings	$ 5,912,683	$ 5,662,812
Amount that would become due in remainder of 2016, if loans are called at their next call dates	28,100
Amount that would become due in 2017 through 2021, if loans are called at their next call dates	972,700
Amount that would become due in 2022 through 2026, if loans are called at their next call dates	235,000
Amount that would become due after 2026, if loans are called at their next call dates	$ 11,000