Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Detail)

v3.20.2
Subsequent Events - Additional Information (Detail) - Subsequent Event [Member]
Oct. 31, 2020
$ / shares
shares
Subsequent Event [Line Items]  
Stock repurchased under repurchase plan | shares 57,018
Stock repurchase plan average price | $ / shares $ 53.61