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Leases - Maturities of Lease Payments (Details)
$ in Thousands
Jun. 30, 2019
USD ($)
Leases [Abstract]  
Remaining 2019 $ 7,862
2020 15,205
2021 14,876
2022 13,361
2023 9,628
2024 and thereafter 42,661
Total lease payments 103,593
Less: Imputed interest 19,240
Total lease liabilities 84,353
Less: Current portion of lease obligations 12,148
Long-term lease obligations $ 72,205