XML 51 R40.htm IDEA: XBRL DOCUMENT v3.21.1
Commitments and Contingencies - Summary of Operating Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Commitments And Contingencies Disclosure [Abstract]    
Operating lease expense $ 1,560 $ 1,592