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Commitments and Contingencies (Details) $ in Thousands			1 Months Ended	3 Months Ended				9 Months Ended		12 Months Ended
	Apr. 25, 2023 USD ($)	May 04, 2021 USD ($)	Dec. 31, 2019 USD ($) weld	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2023 USD ($) claim	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Litigation
Accounts receivable, net				$ 136,363				$ 136,363		$ 123,657
Contingency charges				0	$ 0			150	$ (994)
Reserve for past due receivables				1,923				1,923		4,110
Pension accrual				2,458				2,458		2,519
Texas Customer
Litigation
Accounts receivable, net			$ 1,400
Amount of damages claimed			1,400
Litigation and Commercial Claims | Various Pipeline Projects for Texas Customer
Litigation
Amount of damages claimed			$ 7,600
Litigation and Commercial Claims | Texas Customer | Various Pipeline Projects for Texas Customer
Litigation
Accounts receivable, net				1,400				$ 1,400
Number or welds not in compliance | weld			66
Number of welds inspected (over) | weld			16,000
Amount of damages claimed			$ 1,400
Amount awarded to other party	$ 300
Release of claim on receivables	$ 1,400
Contingency charges										$ 100
Reserve for past due receivables			$ 1,400
Class Action
Litigation
Amount awarded to other party		$ 2,300
Contingency charges						$ 1,600	$ 800
Number of proceedings | claim								2
Class Action on Behalf of Employees
Litigation
Number of proceedings | claim								1
Class Action on Behalf of State of California
Litigation
Number of proceedings | claim								1
Pension Related Contingencies
Litigation
Pension accrual				$ 2,500				$ 2,500

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