v3.26.3
Subordinated Notes - Additional Information (Detail) - USD ($)
$ in Millions
9 Months Ended
Jul. 30, 2021
Sep. 30, 2026
Debt Instrument [Line Items]    
Fixed-to-floating interest rate 3.25%  
Debt instrument basis points 2.63% 2.63%
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   Secured Overnight Financing Rate (SOFR) [Member]
Debt instrument, frequency of periodic payment semi-annually  
Term of loan 5 years  
Interest rate for notes outstanding   6.27%
Redemption price of principal amount of notes redeemed 100.00%  
Private Placement    
Debt Instrument [Line Items]    
Subordinated notes $ 35.0  
Fixed-to-floating interest rate 3.25%  
Subordinated notes, due date Jul. 30, 2031