Annual report pursuant to Section 13 and 15(d)

Deposits - Additional Information (Details)

v3.20.4
Deposits - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Deposits By Component Alternative [Abstract]    
Aggregate amount of overdraft demand deposits reclassified to loans $ 88,000 $ 129,000
Aggregate amount of maturities for time deposits, period 5 years  
Aggregate amount of maturities for time deposits, year one $ 520,500,000  
Aggregate amount of maturities for time deposits, year two 89,700,000  
Aggregate amount of maturities for time deposits, year three 15,000,000.0  
Aggregate amount of maturities for time deposits, year four 5,500,000  
Aggregate amount of maturities for time deposits, year five 7,900,000  
Brokered certificates of deposits $ 0 $ 6,000,000.0