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Note 11 - Fair Value Measurements - Schedule of Schedule of Financial Assets and Liabilities on a Recurring and Non-recurring Basis (Details) - Fair Value, Inputs, Level 3 [Member] | Mar. 31, 2024 | Dec. 31, 2023
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Minimum [Member] | Interest Rate Lock Commitments [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Pull-through Expectations Rate [Member] |  |
Interest rate lock commitments with customers | 0.80 | 0.80
Minimum [Member] | Mandatory and Best Effort Forward Commitments [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Pull-through Expectations Rate [Member] |  |
Interest rate lock commitments with customers | 0.80 | 0.80
Minimum [Member] | Mortgage Servicing Rights [Member] | Fair Value, Nonrecurring [Member] | Industry Sources [Member] | Measurement Input, Prepayment Rate [Member] |  |
MSR | 0 | 0
Maximum [Member] | Interest Rate Lock Commitments [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Pull-through Expectations Rate [Member] |  |
Interest rate lock commitments with customers | 0.99 | 0.99
Maximum [Member] | Mandatory and Best Effort Forward Commitments [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Pull-through Expectations Rate [Member] |  |
Interest rate lock commitments with customers | 0.99 | 0.99
Maximum [Member] | Mortgage Servicing Rights [Member] | Fair Value, Nonrecurring [Member] | Industry Sources [Member] | Measurement Input, Prepayment Rate [Member] |  |
MSR | 0.50 | 0.50
Weighted Average [Member] | Interest Rate Lock Commitments [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Pull-through Expectations Rate [Member] |  |
Interest rate lock commitments with customers | 0.894 | 0.905
Weighted Average [Member] | Mandatory and Best Effort Forward Commitments [Member] | Fair Value, Recurring [Member] | Valuation, Market Approach [Member] | Pull-through Expectations Rate [Member] |  |
Interest rate lock commitments with customers | 0.894 | 0.905
Weighted Average [Member] | Mortgage Servicing Rights [Member] | Fair Value, Nonrecurring [Member] | Industry Sources [Member] | Measurement Input, Prepayment Rate [Member] |  |
MSR | 0.089 | 0.072

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