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LOANS - Investment Loan Activity (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance January 1, 2023 | $ 1,809,832 | [1],[2]
Ending balance March 31, 2023 | 1,642,822 | [2]
Transfer of residential loans to securitization vehicles, carrying value, noncash | 1,100,000 |
Residential |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] |  |
Beginning balance January 1, 2023 | 1,809,832 |
Purchases / originations | 927,497 |
Sales and transfers | (1,091,342) |
Principal payments | (23,526) |
Gains / (losses) | 21,820 |
(Amortization) / accretion | (1,459) |
Ending balance March 31, 2023 | $ 1,642,822 |
[1] | (1)Derived from the audited consolidated financial statements at December 31, 2022.
[2] | (4)Includes $1.2 million and $1.3 million of residential mortgage loans held for sale at March 31, 2023 and December 31, 2022, respectively.

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- Definition SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Sales And Transfers + References No definition available. + Details
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- Definition Amount of decrease in investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from collection of principal. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Footnote 6 -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 6)) -URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
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- Definition Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition Amount of increase in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from new investment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 6)) -URI https://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
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