Quarterly report pursuant to Section 13 or 15(d)

Securities - Additional Information (Detail)

v3.24.1.u1
Securities - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Unrealized loss on securities $ 0  
Available for sale securities pledged as collateral $ 23,800,000 $ 24,800,000
Minimum | U.S. Government and its Agencies    
Debt Securities, Available-for-sale [Line Items]    
Holdings of securities as percentage of share holders' equity 10.00%