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Leases - Summary of additional information regarding Company's Leases (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lease cost:    
Operating lease cost $ 3,182 $ 3,174
Short-term lease cost 1,227 1,426
Total lease cost 4,409 4,600
Other information:    
Cash paid for amounts included in the measurement of operating liabilities (operating leases) $ 3,517 $ 3,587
Weighted-average remaining lease term (in years) – operating leases 8 years 7 months 6 days 9 years 4 months 24 days
Weighted-average discount rate – operating leases 6.30% 6.30%