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Leases - Future Payment Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Leases    
2020 $ 3,767  
2021 4,579  
2022 4,419  
2023 3,835  
2024 3,400  
Thereafter 14,331  
Total lease payments 34,331  
Less interest 5,728  
Present value of lease liabilities $ 28,603 $ 498