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Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Accrued compensation and related costs $ 18,506 $ 15,999
Accrued professional services 3,942 3,020
Other accrued expenses 3,225 5,734
Total accrued liabilities $ 25,673 $ 24,753