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CONTINGENCIES (Details)
$ in Millions
1 Months Ended 12 Months Ended
Oct. 31, 2018
USD ($)
Feb. 29, 2016
Dec. 31, 2013
Dec. 31, 2018
USD ($)
loan
Dec. 31, 2017
USD ($)
Dec. 31, 2014
claim
Contingencies            
Accrued litigation liabilities       $ 0.2 $ 0.3  
Loss Contingency, Damages Sought     61.0      
Loss Contingency, Number of Defendants   149        
Lehman Brothers Holdings, Inc. Demand Letter [Member]            
Contingencies            
Loss Contingency, Damages Sought       40.2    
Loss Contingencies, Number of Loans Sold with Losses | loan       370    
Pending litigation or appeal | Residential Funding Co. v Home Loan Center [Member]            
Contingencies            
Accrued litigation liabilities       $ 7.0    
Number of Loan Originators     80      
Loss Contingency, Pending Claims, Number | claim           2
Pending litigation or appeal | Lehman Brothers Holdings, Inc. Demand Letter [Member]            
Contingencies            
Accrued litigation liabilities       1.0    
Judicial Ruling [Member] | Residential Funding Co. v Home Loan Center [Member]            
Contingencies            
Litigation Settlement, Amount Awarded to Other Party $ 28.7          
Discontinued Operations, Disposed of by Sale [Member]            
Contingencies            
Accrued litigation liabilities       8.0 $ 4.0  
Minimum [Member] | Residential Funding Co. v Home Loan Center [Member]            
Contingencies            
Range of possible loss, minimum       0.0    
Maximum [Member] | Residential Funding Co. v Home Loan Center [Member]            
Contingencies            
Range of possible loss, minimum       $ 88.1    
Attorney Fees [Member] | Judicial Ruling [Member] | Residential Funding Co. v Home Loan Center [Member]            
Contingencies            
Loss Contingency, Damages Sought, Value 28.8          
Pre-Judgment Interest [Member] | Judicial Ruling [Member] | Residential Funding Co. v Home Loan Center [Member]            
Contingencies            
Loss Contingency, Damages Sought, Value $ 30.6