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LOANS - Corporate Debt Held for Investment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Sales | $ (850,156) |
Principal payments | (275,487) |
Corporate Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance | 2,239,930 | $ 2,152,213
Originations & advances | 71,493 | 1,061,644
Sales | (45,776) | (353,090)
Principal payments | (201,247) | (576,759)
Amortization & accretion of (premium) discounts | 3,889 | 12,206
Loan restructuring |  | (16,732)
Allowance for loan losses |  |
Beginning allowance | (39,552) |
Current period (allowance) reversal | 6,186 | (14,429)
Write offs |  | 11,893
Ending allowance | (33,366) | (39,552)
Carrying Value | 2,074,475 | 2,239,930
Corporate Loans | Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for loan losses |  |
Beginning allowance |  | (29,653)
Corporate Loans | Cumulative Effect, Period of Adoption, Adjusted Balance |  |
Allowance for loan losses |  |
Beginning allowance | (39,552) | (7,363)
Ending allowance |  | (39,552)
Corporate Loans | First lien loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance | 1,489,125 | 1,403,503
Originations & advances | 56,939 | 834,211
Sales | (21,328) | (273,887)
Principal payments | (96,247) | (444,759)
Amortization & accretion of (premium) discounts | 1,708 | 8,374
Loan restructuring |  | (19,550)
Allowance for loan losses |  |
Beginning allowance | (18,767) |
Current period (allowance) reversal | 1,685 | (12,510)
Write offs |  | 11,893
Ending allowance | (17,082) | (18,767)
Carrying Value | 1,431,882 | 1,489,125
Corporate Loans | First lien loans | Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for loan losses |  |
Beginning allowance |  | (10,787)
Corporate Loans | First lien loans | Cumulative Effect, Period of Adoption, Adjusted Balance |  |
Allowance for loan losses |  |
Beginning allowance | (18,767) | (7,363)
Ending allowance |  | (18,767)
Corporate Loans | Second lien loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance | 750,805 | 748,710
Originations & advances | 14,554 | 227,433
Sales | (24,448) | (79,203)
Principal payments | (105,000) | (132,000)
Amortization & accretion of (premium) discounts | 2,181 | 3,832
Loan restructuring |  | 2,818
Allowance for loan losses |  |
Beginning allowance | (20,785) |
Current period (allowance) reversal | 4,501 | (1,919)
Write offs |  | 0
Ending allowance | (16,284) | (20,785)
Carrying Value | 642,593 | 750,805
Corporate Loans | Second lien loans | Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for loan losses |  |
Beginning allowance |  | (18,866)
Corporate Loans | Second lien loans | Cumulative Effect, Period of Adoption, Adjusted Balance |  |
Allowance for loan losses |  |
Beginning allowance | $ (20,785) | 0
Ending allowance |  | $ (20,785)

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