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Debt (Risk Retention Tower Securities - Schedule of Material Terms of Debt Outstanding) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |
Amount Outstanding | $ 13,672,750 | $ 12,388,000
2019-1R Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Sep. 13, 2019 |
Amount Outstanding | $ 61,400 |
Interest Rate | 4.213% |
Anticipated Repayment Date | Jan. 12, 2025 |
Final Maturity Date | Jan. 12, 2050 |
2020-2R Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Jul. 14, 2020 |
Amount Outstanding | $ 71,100 |
Interest Rate | 4.336% |
Anticipated Repayment Date | Jan. 11, 2028 |
Final Maturity Date | Jul. 09, 2052 |
2021-1R Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | May 14, 2021 |
Amount Outstanding | $ 61,400 |
Interest Rate | 3.598% |
Anticipated Repayment Date | Nov. 09, 2026 |
Final Maturity Date | May 09, 2051 |
2021-3R Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Oct. 27, 2021 |
Amount Outstanding | $ 94,300 |
Interest Rate | 4.09% |
Anticipated Repayment Date | Oct. 09, 2031 |
Final Maturity Date | Oct. 10, 2056 |
2022-1R Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Nov. 23, 2022 |
Amount Outstanding | $ 44,800 |
Interest Rate | 7.87% |
Anticipated Repayment Date | Jan. 11, 2028 |
Final Maturity Date | Nov. 09, 2052 |
2024-1R Tower Securities [Member] |  |
Debt Instrument [Line Items] |  |
Issue Date | Oct. 11, 2024 |
Amount Outstanding | $ 108,700 |
Interest Rate | 6.252% |
Anticipated Repayment Date | Oct. 09, 2029 |
Final Maturity Date | Oct. 08, 2054 |

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