Loans - Summary of Loans (Parenthetical) (Detail) - Paycheck Protection Program [Member] $ in Millions |
Sep. 30, 2020
USD ($)
|
---|---|
Accounts, Notes, Loans and Financing Receivable [Line Items] | |
Principal amount outstanding on PPP loans | $ 92.1 |
Commercial [Member] | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | |
Principal amount outstanding on PPP loans | $ 92.1 |