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Note 16 - 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]
Dec. 31, 2023
Dec. 31, 2022
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  
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  
Minimum [Member] | Mortgage Servicing Rights [Member] | Fair Value, Nonrecurring [Member] | Industry Sources [Member] | Measurement Input, Prepayment Rate [Member]    
MSRs 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  
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  
Maximum [Member] | Mortgage Servicing Rights [Member] | Fair Value, Nonrecurring [Member] | Industry Sources [Member] | Measurement Input, Prepayment Rate [Member]    
MSRs 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 0.905 0.925
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 0.905 0.925
Weighted Average [Member] | Mortgage Servicing Rights [Member] | Fair Value, Nonrecurring [Member] | Industry Sources [Member] | Measurement Input, Prepayment Rate [Member]    
MSRs 0.072 0.082