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Leases Previously Disclosed - Future Minimum Rent Commitments (Details)
$ in Millions
Dec. 31, 2018
USD ($)
Leases [Abstract]  
2019 $ 8.0
2020 7.0
2021 5.0
2022 2.0
2023 0.0
2024 and thereafter 0.0
Total $ 22.0