Debt Commitments - Debt Maturity (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total	$ 260.0	$ 555.0
Senior Unsecured Promissory Notes
Debt Instrument [Line Items]
2024	60.0
2025	75.0
2026	25.0
2027	50.0
2028	0.0
2029 and thereafter	50.0
Total	$ 260.0