Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Additional Information (Detail)

v3.21.2
Segment Information - Additional Information (Detail) - Customer Concentration Risk - Revenue Benchmark - Customer
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Product Information [Line Items]        
Entity wide revenue major customer 0 0 0 0
Customer [Member]        
Product Information [Line Items]        
Credit risk     10.00%