BUSINESS SEGMENTS - Depreciation and Amortization (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment Reporting [Line Items]
Depreciation and amortization	$ 7,989	$ 8,497	$ 24,005	$ 25,390
Operating Segments
Segment Reporting [Line Items]
Depreciation and amortization	7,913	8,418	23,775	25,154
Operating Segments \| Arcadia Products
Segment Reporting [Line Items]
Depreciation and amortization	5,378	5,784	16,143	17,332
Operating Segments \| DynaEnergetics
Segment Reporting [Line Items]
Depreciation and amortization	1,693	1,821	5,100	5,434
Operating Segments \| NobelClad
Segment Reporting [Line Items]
Depreciation and amortization	842	813	2,532	2,388
Corporate and other
Segment Reporting [Line Items]
Depreciation and amortization	$ 76	$ 79	$ 230	$ 236

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