BUSINESS SEGMENTS - Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment information
Net sales	$ 155,487	$ 171,179	$ 314,777	$ 338,048
Cost of products sold	118,756	124,766	236,847	249,283
Gross profit	36,731	46,413	77,930	88,765
General and administrative expenses	15,905	15,623	32,579	31,603
Selling and distribution expenses	10,242	11,499	21,868	23,722
Amortization of purchased intangible assets	4,763	5,307	9,526	10,599
Restructuring expenses and asset impairments	1,149	279	1,474	279
Operating income	3,897	11,685	10,410	18,373
Other expense, net	(346)	(284)	(564)	(693)
Interest expense, net	(1,811)	(2,316)	(3,510)	(4,633)
Income before income taxes	1,740	9,085	6,336	13,047
Income tax provision	1,419	2,792	4,152	4,435
Net income	321	6,293	2,184	8,612
Arcadia Products
Segment information
Net sales	$ 61,980	$ 69,748	$ 127,560	$ 131,673
Share-based payment arrangement, expense, allocation percentage by parent	60.00%	60.00%	60.00%	60.00%
Share-based payment arrangement, expense, allocation percentage by noncontrolling owners	40.00%	40.00%	40.00%	40.00%
DynaEnergetics
Segment information
Net sales	$ 66,862	$ 76,210	$ 132,413	$ 154,332
NobelClad
Segment information
Net sales	26,645	25,221	54,804	52,043
Operating Segments
Segment information
Net sales	155,487	171,179	314,777	338,048
Cost of products sold	118,685	124,667	236,706	249,108
Gross profit	36,802	46,512	78,071	88,940
Stock-based compensation	238	281	475	623
General and administrative expenses	10,207	11,598	21,451	23,042
Selling and distribution expenses	10,111	11,344	21,605	23,340
Amortization of purchased intangible assets	4,763	5,307	9,526	10,599
Restructuring expenses and asset impairments	1,149	279	1,474
Operating income	10,334	17,703	23,540	31,057
Operating Segments | Arcadia Products
Segment information
Net sales	61,980	69,748	127,560	131,673
Cost of products sold	45,730	46,591	90,949	91,703
Gross profit	16,250	23,157	36,611	39,970
Stock-based compensation	238	281	475	623
General and administrative expenses	6,327	7,564	13,633	15,043
Selling and distribution expenses	4,214	4,036	8,948	8,339
Amortization of purchased intangible assets	4,763	5,278	9,526	10,555
Restructuring expenses and asset impairments	192	279	517	279
Operating income	516	5,719	3,512	5,131
Operating Segments | DynaEnergetics
Segment information
Net sales	66,862	76,210	132,413	154,332
Cost of products sold	52,903	61,077	105,643	122,228
Gross profit	13,959	15,133	26,770	32,104
Stock-based compensation	0	0	0	0
General and administrative expenses	3,028	3,011	5,775	5,903
Selling and distribution expenses	3,774	5,041	8,250	10,263
Amortization of purchased intangible assets	0	29	0	44
Restructuring expenses and asset impairments	746	0	746	0
Operating income	6,411	7,052	11,999	15,894
Operating Segments | NobelClad
Segment information
Net sales	26,645	25,221	54,804	52,043
Cost of products sold	20,052	16,999	40,114	35,177
Gross profit	6,593	8,222	14,690	16,866
Stock-based compensation	0	0	0	0
General and administrative expenses	852	1,023	2,043	2,096
Selling and distribution expenses	2,123	2,267	4,407	4,738
Amortization of purchased intangible assets	0	0	0	0
Restructuring expenses and asset impairments	211	0	211	0
Operating income	3,407	4,932	8,029	10,032
Segment Reconciling Items
Segment information
Unallocated corporate expenses	(5,258)	(4,623)	(10,625)	(10,154)
Unallocated stock-based compensation	$ (1,179)	$ (1,395)	$ (2,505)	$ (2,530)