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Subsequent Events - Additional Information (Detail) - Subsequent Event
$ in Millions
Jul. 30, 2021
USD ($)
Subsequent Event [Line Items]  
Debt instrument basis points 2.63%
Debt instrument, frequency of periodic payment semi-annually
Debt instrument, term 5 years
Redemption price of principal amount of notes redeemed 100.00%
Private Placement  
Subsequent Event [Line Items]  
Subordinated notes $ 35
Fixed-to-floating interest rate 3.25%
Percentage of notes prices on principal amount 100.00%