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Fair Value of Assets and Liabilities - Unobservable Inputs (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Collateral dependent loans $ 2,280 $ 2,455
OREO 367 4,619
Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Collateral dependent loans 2,280 2,455
OREO 367 4,619
Appraisal And Discounted Cash Flow [Member] | Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Collateral dependent loans 2,280 2,455
OREO $ 367 $ 4,619
Appraisal And Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Collateral dependent, measurement input 25 9
OREO, measurement input 13 22