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Note 3 - Loans - Accretable Yield on Acquired Impaired Loans (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Balance $ 6,513 $ 7,893
Accretion (2,948) (3,553)
Reclassification from nonaccretable difference 1,432 2,233
Other changes, net [1] (433) (60)
Balance $ 4,564 $ 6,513
[1] This line item represents changes in the cash flows expected to be collected due to the impact of non-credit changes such as prepayment assumptions, changes in interest rates on variable rate acquired impaired loans, and discounted payoffs that occurred in the period.