Fair Value Measurements Fair Value of Financial Instrument Assumptions (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Oct. 21, 2025 |
|
| Revolving Credit Facility [Member] | ||
| Fair Value of Financial Instrument Assumptions [Line Items] | ||
| Line of Credit Facility, Current Borrowing Capacity | $ 900.0 | |
| Line of Credit Facility, Maximum Borrowing Capacity | $ 1,050.0 | |
| Line of Credit Facility, Initiation Date | Jul. 18, 2013 | |
| Basis point spread on variable rate under Credit Facility | 1.50% | |
| JPM Master Repurchase Agreement Initiation Date | ||
| Fair Value of Financial Instrument Assumptions [Line Items] | ||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 300.0 | $ 100.0 |
| Line of Credit Facility, Initiation Date | Oct. 20, 2025 | |
| JPM Mortgage Repurchase Agreement | ||
| Fair Value of Financial Instrument Assumptions [Line Items] | ||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 200.0 | |
| Line of Credit Facility, Initiation Date | Oct. 24, 2023 |