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Residential Mortgage Loans - Schedule of Net Gains (Losses) on Residential Mortgage Loans Held for Sale, Net of Hedging Activities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Mortgage loans held for sale |  | $ (5,798) | $ 814 | $ 48
Total realized gains (losses) on residential mortgage loans held for sale |  | (10,510) | (10,733) | (8,306)
Change in unrealized gains (losses) on residential mortgage loans sold |  | 281 | (915) | 3,458
Net gains (losses) on investments and other financial instruments |  | (10,114) | 10,241 | (80,733)
Disposal Group, Held-for-Sale, Not Discontinued Operations | Residential Mortgage Loans Held for Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Mortgage loans held for sale | [1] | (5,430) | (2,634) | 28
Mortgage loan servicing rights resulting from mortgage loan sales |  | 2,725 | 41 | 0
Total realized gains (losses) on residential mortgage loans held for sale |  | (2,705) | (2,593) | 28
Change in unrealized gains (losses) on residential mortgage loans sold |  | (1,322) | (62) | 0
Unrealized gains (losses) on residential mortgage loans held for sale still held | [2] | (5,730) | 1,331 | 62
Total net gains (losses) on residential mortgage loans held for sale |  | (9,757) | (1,324) | 90
Net gains (losses) on mortgage loans held for sale hedging activities |  | 3,959 | 2,138 | (42)
Net gains (losses) on residential mortgage loans held for sale, net of hedging activities |  | $ (5,798) | $ 814 | $ 48
[1] | Includes net gains (losses) on residential mortgage loans held for sale through the date of transfer to a securitization trust, if applicable. See “Securitized Residential Mortgage Loans Held for Investment” below for information on subsequent gains (losses) for those securitized loans.
[2] | Includes net gains (losses) on mortgage loan commitments accounted for as derivatives prior to settlement.

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- Definition Gain (Loss) On Investments And Financial Instruments + References No definition available. + Details
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- Definition Gain (Loss) On Mortgage Loans Held-for-Sale + References No definition available. + Details
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- Definition The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 1 -SubTopic 310 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477409/944-310-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 45 -Paragraph 2 -SubTopic 310 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477409/944-310-45-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 310 -Topic 944 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477363/944-310-50-1 + Details
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- Definition The increase (decrease) during the reporting period in the value of mortgage loans that are held with the intention to sell or be securitized in the near future. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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