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Leases - Schedule of Undiscounted Lease Liabilities Outstanding (Details)
$ in Thousands
Jun. 30, 2019
USD ($)
Leases [Abstract]  
Remainder of 2019 $ 9,543
2020 18,541
2021 17,303
2022 15,222
2023 10,268
2024 through 2035 20,790
Total future minimum lease payments 91,667
Less: imputed interest 15,219
Total $ 76,448