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Leases - Summary Of Lease Related Expenses (Parenthetical) (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Leases [Abstract]        
Short-term lease costs $ 194 $ 275 $ 497 $ 315