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Commitments and Contingencies - Schedule Of Future Minimum Rental Commitments under Non-cancelable Operating Leases (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2018 $ 4,957
2019 4,885
2020 4,583
2021 4,747
2022 4,762
Thereafter 619,799
Total $ 643,733