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Investment Securities (Details 3) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Estimated fair value $ 406,549,000 $ 245,249,000
U.S. Government sponsored enterprises    
Level 1 valuation 0 0
Level 2 valuation 14,267,000 7,507,000
Level 3 valuation 0 0
Estimated fair value 14,267,000 7,507,000
Mortgage-backed securities    
Level 1 valuation 0 0
Level 2 valuation 217,152,000 145,314,000
Level 3 valuation 0 0
Estimated fair value 217,152,000 145,314,000
State and political subdivisions    
Level 1 valuation 0 0
Level 2 valuation 167,241,000 92,428,000
Level 3 valuation 0 0
Estimated fair value 167,241,000 92,428,000
U.S Treasuries [Member]    
Level 1 valuation 0 0
Level 2 valuation 7,889,000 0
Level 3 valuation 0 0
Estimated fair value $ 7,889,000 $ 0