Quarterly report pursuant to Section 13 or 15(d)

Deposits - Additional Information (Detail)

v3.21.1
Deposits - Additional Information (Detail) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Time Deposits $ 1,194,012,000 $ 1,283,699,000
Accrued interest payable on deposits 2,400,000 4,600,000
Total deposits reclassified to loans due to overdrafts 320,000 241,000
Time Deposits of $250,000 or More    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Time Deposits $ 300,863,000 $ 311,838,000