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Fair Value of Financial Instruments - Narrative (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Accrued interest excluded from carrying value $ 166  
Allowance for mortgage loan losses 66 $ 71
Rabbi Trust | Other Assets | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash surrender value $ 10,934