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Note 19 - Off-balance Sheet Activities (Details Textual)
12 Months Ended
Dec. 31, 2021
Minimum [Member]  
Interest Rate Commitments to Extend Credit 2.375%
Term Commitments to Extend Credit (Year) 1 year
Maximum [Member]  
Interest Rate Commitments to Extend Credit 6.00%
Term Commitments to Extend Credit (Year) 30 years