Note 13 - Earnings and Dividends Per Share - Reconciliation Between Basic and Diluted Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Net income (loss)	$ 17,736	$ (1,722)	$ 32,466	$ 522
Basic and diluted earnings (loss) per share (in dollars per share)	$ 1.19	$ (0.12)	$ 2.18	$ 0.03
Basic and diluted shares used in computing earnings per share (in shares)	14,921,968	14,921,968	14,921,968	14,921,968

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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Reference 52: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 65
-Paragraph 4
-Subparagraph (f)(4)
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Reference 53: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(22))
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-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

+ Details