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Note 11 - Distributions (Details Textual) - $ / shares |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 27, 2023 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) |  |  | $ 1.37 |  |
Common Stock, Dividends, Per Share, Declared (in dollars per share) | $ 0.11 | $ 1.37 | 1.37 | $ 1.28 | $ 1.25
Taxable Earnings Per Share, Basic (in dollars per share) |  |  | 2.01 |  |
Earnings Per Share, Basic, Undistributed (in dollars per share) |  |  | $ 1.25 |  |

X
- Definition The amount of taxable net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. + References No definition available. + Details
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X
- 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 -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + 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 -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 + Details
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X
- Definition The earnings attributable to each security on the basis that all of the earnings for the period had been distributed (to the extent that each security may share in earnings). This is the earnings amount which reflects the participation rights in undistributed earnings of each security. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B + Details
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