XML 94 R83.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments and Contingencies - Additional Information (Details)
9 Months Ended
Sep. 30, 2021
Commitments And Contingencies [Line Items]  
Lessee operating lease, expiration year 2030
Office Equipment  
Commitments And Contingencies [Line Items]  
Lessee operating lease, expiration year 2026