Quarterly report pursuant to Section 13 or 15(d)

ORGANIZATION AND BASIS OF PRESENTATION - SpringCastle Transaction (Details)

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ORGANIZATION AND BASIS OF PRESENTATION - SpringCastle Transaction (Details) - USD ($)
$ in Millions
Mar. 31, 2016
Sep. 30, 2016
Apr. 01, 2016
Mar. 30, 2016
Consumer Loan Companies [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Ownership percentage by noncontrolling owners   46.50%    
SpringCastle [Member] | Consumer Loan Companies [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Ownership percentage by noncontrolling owners       30.00%
Equity method investments, fair value       $ 71.3
SpringCastle [Member] | New Residential Investment Corp. [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Parent's ownership percentage     53.50%  
Consumer Loan Companies [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Total consideration $ 237.5      
Consumer Loan Companies [Member] | New Residential Investment Corp. [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Total consideration $ 237.5      
Parent's ownership percentage   53.50%    
Percent of net assets used in gross purchase price 100.00%      
SpringCastle Sellers [Member] | SpringCastle [Member] | SpringCastle Buyers [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Ownership percentage by noncontrolling owners 47.00%      
Total consideration $ 111.6      
Cash consideration 100.5      
Other Payments to Acquire Businesses $ 11.2      
Term for payment to escrow account (in days) 120 days      
Term for funds held in escrow (in years) 5 years      
SpringCastle Sellers [Member] | SpringCastle [Member] | NRZ SpringCastle Buyers [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Percentage of voting interests acquired 23.50%      
Voting interests acquired as a percentage of gross voting interests available for sale 50.00%      
Percentage of total consideration paid 50.00%      
Blackstone SpringCastle Buyers [Member] | SpringCastle [Member]        
Business Combination, Separately Recognized Transactions [Line Items]        
Ownership percentage by noncontrolling owners     46.50%  
Voting interests acquired as a percentage of gross voting interests available for sale 50.00%