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Commitments and Contingencies (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Disclosure threshold for future non-cancelable purchase and service obligations greater than $100,000 and one year
Non-cancelable purchase and service obligations [Abstract]  
2019 $ 16,535
2020 16,782
2021 12,494
2022 6,525
2023 1,954
Thereafter 700
Total obligations $ 54,990