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LOANS - Additional Information about Residential Mortgage Loans (Details) - Residential mortgage loans $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) point | Dec. 31, 2021 USD ($) point
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Unpaid principal balance | $ 12,247,346 | $ 7,535,855
Minimum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Unpaid principal balance | $ 3 | $ 1
Interest rate | 2.00% | 0.75%
FICO score at loan origination | point | 588 | 604
Loan-to-value ratio at loan origination | 5.00% | 8.00%
Maximum |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Unpaid principal balance | $ 4,396 | $ 4,382
Interest rate | 15.00% | 9.24%
FICO score at loan origination | point | 831 | 831
Loan-to-value ratio at loan origination | 100.00% | 103.00%
Weighted Average |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Unpaid principal balance | $ 489 | $ 513
Interest rate | 4.61% | 4.04%
FICO score at loan origination | point | 759 | 762
Loan-to-value ratio at loan origination | 68.00% | 66.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719 + Details
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