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Derivative Financial Instruments - Narrative (Details) $ in Millions | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) | Mar. 01, 2024 USD ($) derivative_held | Jan. 31, 2024 USD ($) | Feb. 28, 2023 derivative_held | Aug. 31, 2022 USD ($) derivative_held | Apr. 30, 2022 USD ($) derivative_held
Derivative [Line Items] |  |  |  |  |  |
Asset at fair value, changes in fair value resulting from changes in assumptions | $ 43 |  |  |  |  |
Mortgage Debt |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Aggregate principal amount |  | $ 128 |  |  |  |
Senior Unsecured Term Loan | 2028 Term Loan |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Aggregate principal amount |  | $ 400 |  |  |  |
Interest rate swap instruments | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  |  |  | 2 |  |
Interest rate swap instruments | Designated as Hedging Instrument |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  |  |  |  | 2 |
Notional Amount |  |  | $ 750 |  | $ 500 |
Interest rate swap instruments | Designated as Hedging Instrument | Mortgage Debt |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  | $ 142
Interest rate swap instruments | Cash Flow Hedging | Designated as Hedging Instrument |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  |  |  |  | 2 | 2
Interest rate swap instruments | Cash Flow Hedging | Designated as Hedging Instrument | Mortgage Debt |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  | 1 |  |  |  |
Aggregate principal amount |  | $ 36 |  |  |  |
Interest rate swap instruments | Cash Flow Hedging | Designated as Hedging Instrument | Senior Unsecured Term Loan | 2028 Term Loan |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |
Number of interest-rate contracts held | derivative_held |  | 3 |  |  |  |
Notional Amount |  | $ 400 |  |  |  |

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- Definition Amount of increase (decrease) in fair value from changes in the assumptions or model used to calculate the fair value of a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References No definition available. + Details
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