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Credit Facilities (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Line of Credit Facility [Line Items]    
2020 $ 75.0  
2021 0.0  
2022 0.0  
2023 0.0  
2024 225.0  
Total $ 300.0 $ 125.0