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Note 15 - Segment Information - Segment Reporting Information by Capital Expenditures and Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Capital expenditures	$ 24,998	$ 22,308
Assets	1,090,058		$ 1,044,496
Flat Products Segment [Member]
Capital expenditures	23,965	18,458
Assets	728,754		695,880
Tubular and Pipe Products [Member]
Capital expenditures	1,033	$ 3,850
Assets	360,345		347,469
Corporate Segment [Member]
Assets	$ 959		$ 1,147

X

- Definition

Amount of asset recognized for present right to economic benefit.

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