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Leases - Summary of additional information regarding Company's Leases (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Lease cost:        
Operating lease cost $ 520 $ 796 $ 1,860 $ 2,384
Short-term lease cost 242 299 797 941
Total lease cost 762 1,095 2,657 3,325
Other information:        
Cash paid for amounts included in the measurement of operating lease liabilities $ 13,804 $ 933 $ 15,462 $ 2,778
Weighted-average remaining lease term (in years) – operating leases 1 year 9 months 18 days 8 years 10 months 24 days 1 year 9 months 18 days 8 years 10 months 24 days
Weighted-average discount rate – operating leases 4.40% 6.30% 4.40% 6.30%