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Leases - Schedule of Additional Information of Operating Leases (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Leases [Abstract]        
Cash paid for amounts included in the measurement of lease liabilities $ 1,260 $ 1,399 $ 4,271 $ 4,177
ROU assets obtained in exchange for new liabilities $ 5,805 $ 3,393 $ 17,872 $ 4,895