Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Securities - Estimated Fair Value of Available for Sale Securities, by Contractual Maturity (Details)

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Note 3 - Securities - Estimated Fair Value of Available for Sale Securities, by Contractual Maturity (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Available for sale securities, due in one year or less, estimated fair value $ 401  
Available for sale securities, due in one year or less, tax-equivalent yield 0.63%  
Available for sale securities, due from one to five years, estimated fair value $ 3,817  
Available for sale securities, due from one to five years, tax-equivalent yield 4.39%  
Available for sale securities, due from five to ten years, estimated fair value $ 28,638  
Available for sale securities, due from five to ten years, tax-equivalent yield 2.63%  
Available for sale securities, due over ten years, estimated fair value $ 299,669  
Available for sale securities, due over ten years, tax-equivalent yield 2.91%  
Collateralized mortgage obligations and residential mortgage-backed securities, estimated fair value $ 198,485  
Collateralized mortgage obligations and residential mortgage-backed securities, tax-equivalent yield 1.62%  
Total securities available-for-sale $ 531,010 $ 410,669
Available for sale securities, tax-equivalent yield 2.42%