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CONTINGENCIES (Details)
$ in Thousands
1 Months Ended
Jul. 09, 2015
USD ($)
Feb. 29, 2016
loan
defendant
Dec. 31, 2013
claim
network_lender
Mar. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Contingencies          
Accrued litigation liability       $ 32 $ 346
Pending litigation or appeal | Residential Funding Company          
Contingencies          
Accrued litigation liability       7,000  
Number of loan originators | network_lender     80    
Number of asserted claims | claim     2    
Damages sought $ 61,000        
Pending litigation or appeal | Lehman Brothers Holdings, Inc. Demand Letter          
Contingencies          
Accrued litigation liability       1,000  
Number of defendants | defendant   149      
Number of loans | loan   64      
Discontinued Operations, Disposed of by Sale          
Contingencies          
Accrued litigation liability       $ 8,000 $ 4,000