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Note 23 - Subsequent Events (Details Textual) - $ / shares |  |  |  |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 15, 2023 | Jan. 12, 2023 | Dec. 14, 2022 | Oct. 13, 2022 | Sep. 14, 2022 | Jul. 14, 2022 | Jun. 15, 2022 | Apr. 14, 2022 | Mar. 16, 2022 | Jan. 13, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Common Stock, Dividends, Per Share, Declared (in dollars per share) |  |  |  | $ 0.32 |  | $ 0.32 |  | $ 0.31 |  | $ 0.31 |  |  |
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) |  |  | $ 0.32 |  | $ 0.32 |  | $ 0.31 |  | $ 0.31 |  | $ 1.26 | $ 1.18 | $ 1.12
Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) | $ 0.33 |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Declared (in dollars per share) |  | $ 0.33 |  |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + Details
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