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Debt Commitments - Debt Maturity (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Total $ 555.0 $ 390.0
Senior Unsecured Promissory Notes    
Debt Instrument [Line Items]    
2023 70.0  
2024 60.0  
2025 75.0  
2026 25.0  
2027 50.0  
2028 and thereafter 50.0  
Total $ 330.0