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Leases - Schedule of Lease Cost Recognized in Consolidated Statement of Operations and Other Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Lease expense:        
Operating lease cost $ 155 $ 464 $ 798 $ 1,345
Finance lease cost        
Amortization of right-of-use assets 66   134  
Interest on lease liabilities 27   65  
Short-term operating lease cost 44 73 182 181
Total lease cost $ 292 $ 537 $ 1,179 $ 1,526
Weighted average remaining lease terms (years):        
Weighted-average remaining lease term - operating leases 3 years 9 months 18 days 1 year 4 months 24 days 3 years 9 months 18 days 1 year 4 months 24 days
Weighted-average remaining lease term - finance leases 2 years 2 months 12 days   2 years 2 months 12 days  
Weighted average discount rate:        
Weighted-average discount rate - operating leases [1] 6.60% 4.70% 6.60% 4.70%
Weighted-average discount rate - finance leases 14.10%   14.10%  
[1] The discount rate used to compute the present value of total lease liabilities as of September 30, 2023 was based on the Company's estimated incremental borrowing rate of similar secured borrowings available to the Company as of the commencement date of lease.