Note 6 - Earnings Per Share (Details Textual) - shares	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares)	29,428	35,280
Stock Settled Stock Appreciation Rights SSARs [Member]
Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares)	4,481	8,208
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	37,976
Restricted Stock [Member]
Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares)	24,947	27,072

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration