Annual report pursuant to Section 13 and 15(d)

Investment Securities - Additional Information (Details)

v3.22.0.1
Investment Securities - Additional Information (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
Security
Dec. 31, 2020
USD ($)
Security
Dec. 31, 2019
USD ($)
Security
Marketable Securities [Line Items]      
Available for sale securities pledged $ 281,800,000 $ 91,500,000  
Debt Securities, Available-for-sale, Restriction Type [Extensible List] us-gaap:CollateralPledgedMember us-gaap:CollateralPledgedMember  
Available for sale, securities number of positions | Security 105    
Available for sale, securities in unrealized loss positions, number of positions | Security 70    
Available for sale securities, gross realized gain (loss), excluding other than temporary impairments $ 0    
Number of securities sold | Security 5 46 216
Equity investments, at fair value $ 23,665,000 $ 24,000,000  
Fair value changes   0  
Taxable interest and dividends on investment securities 5,700,000 2,100,000 $ 4,600,000
Tax-exempt interest on investment securities 627,000 $ 193,000 $ 541,000
Other Noninterest Income      
Marketable Securities [Line Items]      
Fair value changes 669,000    
Dividend Income      
Marketable Securities [Line Items]      
Fair value changes $ 334,000