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Commitments and Contingencies - Schedule of Future Minimum Lease Payments (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
2018 $ 6,126
2019 3,873
2020 2,924
2021 2,538
2022 1,065
Thereafter 885
Total $ 17,411