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Leases - Summary Of Lease Related Expenses (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Leases [Abstract]        
Operating lease expense [1] $ 600 $ 508 $ 1,222 $ 1,116
Amortization of right-of-use assets 6 18 17 39
Interest on lease liabilities 1 1 1 2
Total finance lease expense $ 7 $ 19 $ 18 $ 41
[1] Includes short-term lease costs of $155 and $302 for the three months ended June 30, 2021 and 2020, respectively, and $303 and $502 for the six months ended June 30, 2021 and 2020, respectively.