Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event - Additional Information (Detail)

v3.22.2.2
Subsequent Event - Additional Information (Detail) - Subsequent Event [Member]
$ in Millions
Nov. 01, 2022
USD ($)
Short-Term Government Securities [Member]  
Subsequent Event [Line Items]  
Payments to acquire securities $ 4.9
Corporate Bonds [Member]  
Subsequent Event [Line Items]  
Payments to acquire securities $ 0.5