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Loans (Recorded Investment in Credit Cards Based on Payment Activity) (Details) - Credit Cards - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, net of deferred income | $ 12,609 | $ 11,637
Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, net of deferred income | 12,455 | 11,551
Nonperforming |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans, net of deferred income | $ 154 | $ 86

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