Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] $ in Millions	Apr. 30, 2020 USD ($) Loan Inquiry
Subsequent Event [Line Items]
CARES Act Of 2020 number of inquiries | Inquiry	3,000
CARES Act of 2020 paycheck protection program loan amount | $	$ 157
CARES Act of 2020 number of loan modification approved requests | Loan	1,200
CARES Act of 2020 loan modification portfolio percent	16.00%