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Leases - Summary of additional information regarding Company's Leases (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Lease cost:        
Operating lease cost $ 790 $ 795 $ 1,588 $ 1,590
Short-term lease cost 300 383 642 772
Total lease cost 1,090 1,178 2,230 2,362
Other information:        
Cash paid for amounts included in the measurement of operating liabilities (operating leases) $ 919 $ 875 $ 1,845 $ 1,760
Weighted-average remaining lease term (in years) – operating leases 9 years 9 years 9 months 18 days 9 years 9 years 9 months 18 days
Weighted-average discount rate – operating leases 6.30% 6.30% 6.30% 6.30%