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STOCK-BASED AWARDS - SUCCESSOR (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Number of investor interests grants   613,710    
Number of stocks available for grants   76,597    
Expiration period   10 years    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Return-of-capital distribution $ 215,000 $ 254,401 $ 37,610 $ 0
Stock options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting period   5 years    
Vesting percentage on first anniversary of grant   20.00%    
Maximum [Member] | Stock options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Future cash distributions (maximum)   $ 14,000    
Indirect parent [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Return-of-capital distribution   $ 216,000