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Leases - Maturities of Operating Lease Liabilities (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Operating leases  
2019 (remaining) $ 2,142
2020 1,820
2021 1,697
2022 1,363
2023 1,242
Thereafter 3,936
Total lease payments 12,200
Less: imputed interest (1,728)
Present value of operating lease liabilities $ 10,472