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Allowance for Credit Losses (Impaired Loans) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Loan loss allowances |  |
Total troubled debt restructuring | $ 3,213 | $ 3,253
Period of charge off for past due unsecured commercial loans | 90 days |
Domestic | Residential: first lien |  |
Loan loss allowances |  |
Total troubled debt restructuring | $ 1,642 | 2,254
Domestic | Residential Junior Lien |  |
Loan loss allowances |  |
Total troubled debt restructuring | 714 | 105
Consumer | Domestic |  |
Loan loss allowances |  |
Total troubled debt restructuring | 802 | 878
Foreign. | Foreign |  |
Loan loss allowances |  |
Total troubled debt restructuring | $ 55 | $ 16

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