SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) $ in Thousands	12 Months Ended	24 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2007 trust	Dec. 31, 2015 USD ($)
Series A LLC Preferred Shares
Preferred Shares
Preferred shares, dividend rate (as a percent)	7.375%
Junior subordinated notes
Preferred Shares
Number of 30 year trusts established | trust		6
Debt redemption percentage	100.00%
Outstanding principal amount	$ 283,500
Successor Company
Preferred Shares
Outstanding principal amount	$ 3,570,710		$ 5,505,250
Minimum | LIBOR | Junior subordinated notes
Preferred Shares
Variable interest rate spread	2.25%
Maximum | LIBOR | Junior subordinated notes
Preferred Shares
Variable interest rate spread	2.65%