Quarterly report pursuant to Section 13 or 15(d)

Summary of Select Significant Accounting Policies - Additional Information (Detail)

v3.21.2
Summary of Select Significant Accounting Policies - Additional Information (Detail)
 9 Months Ended
Sep. 30, 2021
Segment Reporting, Other Significant Reconciling Item [Line Items]  
Percentage of cash savings paid 85.00%
Common Class A [Member] | Parent Company [Member]  
Segment Reporting, Other Significant Reconciling Item [Line Items]  
Common stock conversion basis one-for-one