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Note 2 - Loans and Allowance for Credit Losses - Financing Receivable, Troubled Debt Restructurings (Details) - Commercial Real Estate Portfolio Segment [Member] - Commercial Real Estate, Owner Occupied [Member] - Interest Only Payments [Member] $ in Thousands | 6 Months Ended
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Jun. 30, 2023 USD ($)
amortized cost | $ 6,396
Percentage | 5.40%
Commercial real estate owner-occupied (Month) | 6 months

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