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VARIABLE INTEREST ENTITIES - Geographic Concentrations of Credit Risk Exceeding 5% of Total Loan Unpaid Principal Balances (Details) - Consolidated VIEs $ in Thousands | 6 Months Ended
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Jun. 30, 2020 USD ($)
Commercial Trusts |
Concentration Risk [Line Items] |
Principal Balance | $ 3,284,754
Residential Trusts |
Concentration Risk [Line Items] |
Principal Balance | 60,980
California |
Concentration Risk [Line Items] |
Principal Balance | 1,270,544
California | Residential Trusts |
Concentration Risk [Line Items] |
Principal Balance | 27,442
Texas | Commercial Trusts |
Concentration Risk [Line Items] |
Principal Balance | 478,457
Texas | Residential Trusts |
Concentration Risk [Line Items] |
Principal Balance | 8,309
New York | Commercial Trusts |
Concentration Risk [Line Items] |
Principal Balance | 370,697
Illinois | Residential Trusts |
Concentration Risk [Line Items] |
Principal Balance | 6,534
Florida | Commercial Trusts |
Concentration Risk [Line Items] |
Principal Balance | 196,495
Other (1) | Residential Trusts |
Concentration Risk [Line Items] |
Principal Balance | 18,695
Other | Commercial Trusts |
Concentration Risk [Line Items] |
Principal Balance | 968,561
Other | Residential Trusts |
Concentration Risk [Line Items] |
Principal Balance |
Securitized Loans | Geographic Concentration Risk | Commercial Trusts |
Concentration Risk [Line Items] |
% of Balance | 100.00%
Securitized Loans | Geographic Concentration Risk | Residential Trusts |
Concentration Risk [Line Items] |
% of Balance | 100.00%
Securitized Loans | Geographic Concentration Risk | California | Commercial Trusts |
Concentration Risk [Line Items] |
% of Balance | 38.70%
Securitized Loans | Geographic Concentration Risk | California | Residential Trusts |
Concentration Risk [Line Items] |
% of Balance | 45.00%
Securitized Loans | Geographic Concentration Risk | Texas | Commercial Trusts |
Concentration Risk [Line Items] |
% of Balance | 14.60%
Securitized Loans | Geographic Concentration Risk | Texas | Residential Trusts |
Concentration Risk [Line Items] |
% of Balance | 13.60%
Securitized Loans | Geographic Concentration Risk | New York | Commercial Trusts |
Concentration Risk [Line Items] |
% of Balance | 11.30%
Securitized Loans | Geographic Concentration Risk | Illinois | Residential Trusts |
Concentration Risk [Line Items] |
% of Balance | 10.70%
Securitized Loans | Geographic Concentration Risk | Florida | Commercial Trusts |
Concentration Risk [Line Items] |
% of Balance | 6.00%
Securitized Loans | Geographic Concentration Risk | Other (1) | Residential Trusts |
Concentration Risk [Line Items] |
% of Balance | 30.70%
Securitized Loans | Geographic Concentration Risk | Other | Commercial Trusts |
Concentration Risk [Line Items] |
% of Balance | 29.40%
Securitized Loans | Geographic Concentration Risk | Other | Residential Trusts |
Concentration Risk [Line Items] |
% of Balance |

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