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Leases - Reconciliation of the Undiscounted Cash Flows for Each of the First Five Years and Thereafter to Operating Lease Liabilities (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 5,800
2021 6,120
2022 5,103
2023 2,331
2024 1,341
Thereafter 2,041
Total lease payments 22,736
Less: imputed interest (2,194)
Lease liabilities $ 20,542