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Available for Sale Securities - Amortized cost and fair value (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Available for Sale Securities    
Total Amortized Cost $ 52,235 $ 47,340
Gross Unrealized Gains 3 1,186
Gross Unrealized Losses (4,766) (128)
Estimated Fair Value 47,472 48,398
Obligations of the US government and US government sponsored agencies    
Available for Sale Securities    
Total Amortized Cost 1,823 1,028
Gross Unrealized Gains   19
Gross Unrealized Losses (170) (7)
Estimated Fair Value 1,653 1,040
Obligations of states and political subdivisions    
Available for Sale Securities    
Total Amortized Cost 14,163 14,289
Gross Unrealized Gains   376
Gross Unrealized Losses (1,847) (41)
Estimated Fair Value 12,316 14,624
Mortgage-backed securities    
Available for Sale Securities    
Total Amortized Cost 25,442 25,452
Gross Unrealized Gains   658
Gross Unrealized Losses (2,076) (54)
Estimated Fair Value 23,366 26,056
Certificates of deposit    
Available for Sale Securities    
Total Amortized Cost 500 750
Gross Unrealized Gains 3 22
Gross Unrealized Losses (12)  
Estimated Fair Value 491 772
Corporate debt securities    
Available for Sale Securities    
Total Amortized Cost 10,307 5,821
Gross Unrealized Gains   111
Gross Unrealized Losses (661) (26)
Estimated Fair Value $ 9,646 $ 5,906