Commitment and Contingencies (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2024 |
Dec. 31, 2023 |
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| Equal or greater than | ||
| Commitments and Contingencies [Line Items] | ||
| Outstanding principal balance of HECM is equal to or greater than MCA (in percent) | 98.00% | |
| Outstanding principal balance is equal to or greater than MCA (in percent) | 98.00% | |
| Loan origination commitments | ||
| Commitments and Contingencies [Line Items] | ||
| Long-term purchase commitment | $ 1,400,000 | $ 4,700,000 |
| HECM loans | ||
| Commitments and Contingencies [Line Items] | ||
| Unfunded loan commitments | 4,500,000,000 | 4,500,000,000 |
| Commercial mortgage loans | ||
| Commitments and Contingencies [Line Items] | ||
| Unfunded loan commitments | $ 14,900,000 | $ 21,400,000 |
| X | ||||||||||
- Definition Commitments and Contingencies [Line Items] No definition available.
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- Definition Percentage of outstanding principal balance is equal to or greater than MCA. No definition available.
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- Definition Percentage of outstanding principal balance of HECM is equal to or greater than MCA. No definition available.
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- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The minimum amount the entity agreed to spend under the long-term purchase commitment. No definition available.
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