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Investment Securities - Additional Information (Details)
 6 Months Ended 12 Months Ended
Jun. 30, 2022
USD ($)
Security
Bond
Dec. 31, 2021
USD ($)
Security
Available-for-sale Securities, Amortized Cost Basis [Abstract]    
Number of securities in unrealized loss positions, twelve months or more | Security 14  
Available for sale securities continuous unrealized loss position twelve months or more amortized historical cost basis $ 53,900,000  
Available for sale securities unrealized aggregate loss $ 4,300  
Available for sale securities unrealized aggregate loss percentage 8.00%  
Available-for-sale investment securities aggregate, amortized historical cost   $ 189,800,000
Available-for-sale investment securities aggregate fair value that exceeded and amortized historical cost $ 11,400,000 $ 579,000
Available-for-sale investment securities aggregate fair value and amortized historical cost percentage 5.32% 0.31%
Available-for-sale investment securities decline in fair value and amortized historical cost $ 12,000,000.0  
Held-to-maturity Securities [Abstract]    
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis 11,700,000  
Available For Sale Securities Continuous Unrealized Loss Position Greater Than Twelve Months Amortized Historical Cost Basis 214,400,000  
Held-to-maturity securities aggregate unrealized loss $ 1,564,000 $ 278,000
Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Accumulated Loss Percentage 13.40%  
Number of securities in unrealized loss positions, twelve months or more | Security 8 8
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 11,700,000  
Held-to-maturity securities aggregate unrealized loss $ 1,564,000 $ 278,000
Held-to-maturity securities aggregate unrealized loss percentage 13.40%  
Twelve months or more Fair Value $ 10,091,000 10,527,000
Held to maturity securities | Security 8  
Months of unrealized loss positions 12 months  
Number of securities in unrealized loss positions, twelve months or more | Security 22  
Number of securities amortized | Security 10  
Percentage of securities amortized 73.80%  
Debt securities, amortized cost balance $ 47,900,000  
Gain (Loss) on Sale of Investments [Abstract]    
Securities pledged to collateralize deposit 83,900,000 103,200,000
Securities pledged to collateralize borrowing $ 7,000,000.0 $ 9,400,000
Number of securities | Security 22  
Investment securities, aggregate book value $ 65,500,000  
Aggregate fair value 59,600,000  
Investment Securities Unrealized Loss Position $ 5,900,000  
Investment Securities Unrealized Loss Position, Percentage 9.00%  
Corporate Bond [Member]    
Available-for-sale Securities, Amortized Cost Basis [Abstract]    
Number of securities in unrealized loss positions, twelve months or more | Bond 1  
Available for sale securities continuous unrealized loss position twelve months or more amortized historical cost basis $ 754,000  
Available for sale securities unrealized aggregate loss $ 139,000  
Available for sale securities unrealized aggregate loss percentage 18.44%  
Held-to-maturity Securities [Abstract]    
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 750,000  
Held-to-maturity securities aggregate unrealized loss $ 26,000  
Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Accumulated Loss Percentage 3.47%  
Number of securities in unrealized loss positions, twelve months or more | Bond 1  
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 750,000  
Held-to-maturity securities aggregate unrealized loss $ 26,000  
Held-to-maturity securities aggregate unrealized loss percentage 3.47%  
Municipal Securities [Member]    
Available-for-sale Securities, Amortized Cost Basis [Abstract]    
Number of securities in unrealized loss positions, twelve months or more | Bond 1  
Available for sale securities continuous unrealized loss position twelve months or more amortized historical cost basis $ 2,200,000  
Available for sale securities unrealized aggregate loss $ 189,000  
Available for sale securities unrealized aggregate loss percentage 8.57%  
Held-to-maturity Securities [Abstract]    
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 5,300,000  
Held-to-maturity securities aggregate unrealized loss $ 1,100,000  
Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Accumulated Loss Percentage 20.31%  
Number of securities in unrealized loss positions, twelve months or more | Security 3  
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 5,300,000  
Held-to-maturity securities aggregate unrealized loss $ 1,100,000  
Held-to-maturity securities aggregate unrealized loss percentage 20.31%  
Months of unrealized loss positions 12 months  
Corporate Bond [Member]    
Available-for-sale Securities, Amortized Cost Basis [Abstract]    
Number of securities in unrealized loss positions, twelve months or more | Security 3  
Available for sale securities unrealized aggregate loss $ 177,000  
Available for sale securities unrealized aggregate loss percentage 4.50%  
Available for sale securities continuous unrealized loss position twelve months or more amortized historical cost basis $ 4,000,000.0  
Held-to-maturity Securities [Abstract]    
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis 3,600,000  
Held-to-maturity securities aggregate unrealized loss $ 334,000  
Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Accumulated Loss Percentage 9.22%  
Number of securities in unrealized loss positions, twelve months or more | Security 2  
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 3,600,000  
Held-to-maturity securities aggregate unrealized loss $ 334,000  
Held-to-maturity securities aggregate unrealized loss percentage 9.22%  
1 Private-Label Asset - Backed Securities by Private-Issue Student Loan [Member]    
Held-to-maturity Securities [Abstract]    
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 3,000,000.0  
Held-to-maturity securities aggregate unrealized loss $ 146,000  
Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Accumulated Loss Percentage 4.88%  
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 3,000,000.0  
Held-to-maturity securities aggregate unrealized loss $ 146,000  
Held-to-maturity securities aggregate unrealized loss percentage 4.88%  
1 Private Label Asset - Backed Securities By Real Estate Lease Contracts [Member]    
Held-to-maturity Securities [Abstract]    
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 1,000,000.0  
Held-to-maturity securities aggregate unrealized loss $ 118,000  
Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Accumulated Loss Percentage 11.39%  
Number of securities in unrealized loss positions, twelve months or more | Security 1  
Held to maturity securities continuous unrealized loss position greater than twelve months amortized historical cost basis $ 1,000,000.0  
Held-to-maturity securities aggregate unrealized loss $ 118,000  
Held-to-maturity securities aggregate unrealized loss percentage 11.39%