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Allowance for Loan Losses - Impaired loans (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance $ 530 $ 549
Recorded Investment with No Allowances 530 549
Total Recorded Investment 530 549
Average Recorded Investment 540 569
Interest Income Recognized 15 24
Real Estate Loans | Residential Real Estate    
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance 530 549
Recorded Investment with No Allowances 530 549
Total Recorded Investment 530 549
Average Recorded Investment 540 569
Interest Income Recognized $ 15 $ 24