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Leases - Summary of Maturity of Lease Liabilities for Operating and Finance Leases (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Operating Leases      
2020 $ 3,892    
2021 4,236    
2022 4,389    
2023 3,574    
2024 3,681    
Thereafter 14,386    
Total lease payments 34,158    
Less: imputed interest 9,354    
Total lease liabilities 24,804 $ 24,000  
Current lease liabilities 2,000    
Long-term lease liabilities 22,804    
Finance Leases      
2020 214    
2021 2    
Total lease payments 216    
Less: imputed interest 6    
Total lease liabilities 210    
Current lease liabilities 208   $ 266
Long-term lease liabilities $ 2   $ 210