SIGNIFICANT ACCOUNTING POLICIES - Rollforward of Allowance for Doubtful Accounts (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, December 31, 2021	$ 2,773
Current period provision for expected credit losses	27
Recoveries of amounts previously reserved	(47)
Impacts of foreign currency exchange rates and other	(1)
Allowance for doubtful accounts, March 31, 2022	2,752
Arcadia
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, December 31, 2021	0
Current period provision for expected credit losses	11
Recoveries of amounts previously reserved	0
Impacts of foreign currency exchange rates and other	0
Allowance for doubtful accounts, March 31, 2022	11
DynaEnergetics
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, December 31, 2021	2,758
Current period provision for expected credit losses	16
Recoveries of amounts previously reserved	(47)
Impacts of foreign currency exchange rates and other	(1)
Allowance for doubtful accounts, March 31, 2022	2,726
NobelClad
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, December 31, 2021	15
Current period provision for expected credit losses	0
Recoveries of amounts previously reserved	0
Impacts of foreign currency exchange rates and other	0
Allowance for doubtful accounts, March 31, 2022	$ 15