Annual report pursuant to Section 13 and 15(d)

Note 2 - Debt Securities (Details Textual)

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Note 2 - Debt Securities (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Total $ 0 $ 0 $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions 35    
Available for Sale Securities Debt Securities, Number of Positions 650    
Pledged Financial Instruments, Not Separately Reported, Securities, Total $ 389,900 $ 291,600