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Commitments and Contingencies (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Remaining three months of 2018 $ 3,392
2019 13,329
2020 11,416
2021 10,458
2022 8,655
Thereafter 26,634
Total minimum future lease payments 73,884
Purchase obligation due within the next twelve months $ 75,900