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LOANS - Investment Loan Activity (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2022 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance January 1, 2022 | $ 4,242,043 | [1],[2]
Ending balance June 30, 2022 | 1,487,133 | [2]
Transfer of residential loans to securitization vehicles, carrying value, noncash | 4,400,000 |
Total |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance January 1, 2022 | 4,241,063 |
Purchases / originations | 4,006,752 |
Sales and transfers | (6,352,699) |
Principal payments | (298,152) |
Gains / (losses) | (103,959) |
(Amortization) / accretion | (6,194) |
Ending balance June 30, 2022 | 1,486,811 |
Residential |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance January 1, 2022 | 2,272,072 |
Purchases / originations | 3,821,483 |
Sales and transfers | (4,450,255) |
Principal payments | (66,962) |
Gains / (losses) | (80,639) |
(Amortization) / accretion | (8,888) |
Ending balance June 30, 2022 | 1,486,811 |
Corporate Debt |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance January 1, 2022 | 1,968,991 |
Purchases / originations | 185,269 |
Sales and transfers | (1,902,444) |
Principal payments | (231,190) |
Gains / (losses) | (23,320) |
(Amortization) / accretion | 2,694 |
Ending balance June 30, 2022 | $ 0 |
[1] | (1)Derived from the audited consolidated financial statements at December 31, 2021.
[2] | (4)Includes $1.5 million and $2.3 million of residential mortgage loans held for sale at June 30, 2022 and December 31, 2021, respectively.

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