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Credit Facilities (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Line of Credit Facility [Line Items]    
2021 $ 25.0  
2022 0.0  
2023 0.0  
2024 175.0  
2025 0.0  
Total $ 200.0 $ 300.0