INVENTORIES (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Inventory [Line Items]
Raw materials	$ 37,068	$ 35,032
Work-in-process	35,684	27,916
Finished goods	70,343	60,997
Supplies	209	269
Total inventories	143,304	124,214
Arcadia
Inventory [Line Items]
Raw materials	14,086	12,168
Work-in-process	5,634	3,987
Finished goods	50,143	44,348
Supplies	0	0
Total inventories	69,863	60,503
DynaEnergetics
Inventory [Line Items]
Raw materials	14,003	15,209
Work-in-process	21,269	13,672
Finished goods	19,760	14,998
Supplies	0	0
Total inventories	55,032	43,879
NobelClad
Inventory [Line Items]
Raw materials	8,979	7,655
Work-in-process	8,781	10,257
Finished goods	440	1,651
Supplies	209	269
Total inventories	$ 18,409	$ 19,832

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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