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Maturity of Lease Payments to be Received (Details)
$ in Millions
Mar. 31, 2019
USD ($)
Leases [Abstract]  
2019 $ 42.0
2020 56.0
2021 56.0
2022 56.0
2023 56.0
Remainder 750.0
Total lease payments 1,016.0
Operating lease, payments to be received, related to options to extend $ 555.0