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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Recorded Investment in Residential, Consumer and Credit Card Loans Based on Payment Activity (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Credit Card Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Net loans | $ 10,937 | $ 9,935
Performing |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Net loans | 1,139,457 | 1,117,706
Performing | Credit Card Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Net loans | 10,926 | 9,912
Nonperforming |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Net loans | 5,490 | 5,125
Nonperforming | Credit Card Consumer |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Net loans | $ 11 | $ 23

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