BUSINESS SEGMENTS - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting [Line Items]
Depreciation and amortization	$ 7,945	$ 8,470	$ 16,016	$ 16,893
Operating Segments
Segment Reporting [Line Items]
Depreciation and amortization	7,873	8,382	15,862	16,736
Operating Segments \| Arcadia Products
Segment Reporting [Line Items]
Depreciation and amortization	5,380	5,779	10,765	11,548
Operating Segments \| DynaEnergetics
Segment Reporting [Line Items]
Depreciation and amortization	1,644	1,822	3,407	3,613
Operating Segments \| NobelClad
Segment Reporting [Line Items]
Depreciation and amortization	849	781	1,690	1,575
Corporate and other
Segment Reporting [Line Items]
Depreciation and amortization	$ 72	$ 88	$ 154	$ 157

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details