Note 2 - Loans and Allowance for Credit Losses - Financing Receivable, Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended
Mar. 31, 2024 USD ($)
Commercial Real Estate Portfolio Segment [Member] \| Commercial Real Estate, Owner Occupied [Member] \| Interest Only Payments [Member]
amortized cost	$ 6,396
Percentage	5.57%
Commercial real estate owner-occupied (Month)	6 months
Commercial Non Real Estate Segment [Member] \| Commercial and Industrial [Member] \| Extended Maturity [Member]
amortized cost	$ 7
Percentage	0.02%
Commercial and industrial (Month)	3 months

Duration of interest only payment.

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- Definition

Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

+ References

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-Topic 310
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- Definition

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

+ References

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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