Investments in Joint Ventures - Schedule of Results of Operations of the Joint Venture (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Operating Revenue and Expenses | ||
| Revenues | $ 262.8 | $ 279.9 |
| Expenses | 168.7 | 187.9 |
| Excess of revenues over expenses | $ 94.1 | $ 92.0 |