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Fair Value Measurements and Fair Value of Financial Instruments (Fair Value Measurements, Nonrecurring) (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other real estate owned $ 75,000 $ 414,000
Significant Unobservable Inputs (Level 3) [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impaired loans 14,796,000 [1],[2] 10,130,000
Other real estate owned 75,000 [1],[2] 414,000
Impaired Loans [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impaired loans 14,796,000 10,130,000
Impaired Loans [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impaired loans 14,796,000 10,130,000
Other Real Estate Owned [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other real estate owned 75,000 414,000
Other Real Estate Owned [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Other real estate owned $ 75,000 $ 414,000
[1] Appraisals may be adjusted by management for qualitative factors such as age of appraisal, expected condition of property, economic conditions, and estimated liquidation expenses. The range of liquidation expenses and other appraisal adjustments are presented as a percent of the appraisal.
[2] Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various level 3 inputs which are not identifiable.