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Note 5 - Goodwill - Carrying Value of Goodwill (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 07, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Goodwill |  | $ 194,074 | $ 202,524 | $ 194,074
Balance at beginning of period |  | 194,074 | 135,830 | 135,830
Goodwill recorded from acquisitions |  | 0 | 66,694 |
Provisional period adjustments |  | 0 | 0 |
Disposition of LFA |  | 0 | 0 |
Impairment |  | 0 | 0 |
Balance at end of period |  | 194,074 | $ 202,524 | 194,074
Commonwealth [Member] |  |  |  |
Goodwill | $ 67,000 | 58,244 |  | 58,244
Balance at beginning of period |  | 58,244 |  |
Goodwill recorded from acquisitions | 66,694 |  |  |
Balance at end of period | $ 67,000 | 58,244 |  | 58,244
Kentucky Bancshares [Member] |  |  |  |
Goodwill |  | 123,317 |  | 123,317
Balance at beginning of period |  | 123,317 |  |
Balance at end of period |  | 123,317 |  | 123,317
King Southern Bancorp [Member] |  |  |  |
Goodwill |  | 11,831 |  | 11,831
Balance at beginning of period |  | 11,831 |  |
Balance at end of period |  | 11,831 |  | 11,831
Austin State Bank [Member] |  |  |  |
Goodwill |  | 682 |  | 682
Balance at beginning of period |  | 682 |  |
Balance at end of period |  | $ 682 |  | $ 682

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