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Operating Leases - Future Minimum Operating Lease Payments (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 4,440
2021 4,285
2022 4,156
2023 3,459
2024 1,929
Thereafter 787
Total future minimum lease payments 19,056
Less imputed interest (1,557)
Total $ 17,499