Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS AND REAL ESTATE OWNED - Narrative (Details)

v3.20.1
INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS AND REAL ESTATE OWNED - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
trust
Mar. 31, 2019
USD ($)
trust
Jan. 01, 2020
USD ($)
Dec. 31, 2019
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Reduction to retained earnings $ 1,059,706     $ (549,733)
Threshold period past due (in days) 60 days      
Residential Mortgage Loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Number of trusts called | trust 15 19    
Loans Sold | Residential Mortgage Loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Interest income $ 12,000 $ 32,500    
Gain on securitization accounted for as sales $ 42,600 $ 2,800    
Cumulative Effect, Period of Adoption, Adjustment        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Reduction to retained earnings       $ (30,453)
Cumulative Effect, Period of Adoption, Adjustment | Residential Mortgage Loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Reduction to retained earnings     $ 6,000