Annual report pursuant to Section 13 and 15(d)

Note 21 - Fair Value Measurement (Details Textual)

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Note 21 - Fair Value Measurement (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Asset Impairment Charges, Total $ 26,600,000 $ 22,900,000
Real Estate Owned, Amount of Loss at Acquisition 2,500,000 432,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure $ 209,000 $ 103,000
Minimum [Member]    
Impaired Loans, Fair Value Adjustment, Percent 0.00% 0.00%
Real Estate Owned, Fair Value Adjustment, Percent 5.00% 5.00%
Maximum [Member]    
Impaired Loans, Fair Value Adjustment, Percent 56.00% 30.00%
Real Estate Owned, Fair Value Adjustment, Percent 27.00% 10.00%
Weighted Average [Member]    
Impaired Loans, Fair Value Adjustment, Percent 22.30% 5.60%
Real Estate Owned, Fair Value Adjustment, Percent 12.50% 8.00%