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Commitments and Contingencies (Details) |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended | 24 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 03, 2021 | May 04, 2021 USD ($) | Dec. 31, 2020 USD ($) installment | Dec. 31, 2019 USD ($) weld | Dec. 31, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) installment | Dec. 31, 2021 USD ($) claim | Dec. 31, 2018 | Dec. 31, 2019 USD ($) weld | Jan. 01, 2020 USD ($)
Litigation |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net |  |  | $ 107,628,000 |  | $ 109,511,000 |  | $ 107,628,000 | $ 109,511,000 |  |  |
Multiemployer pension plan liability |  |  | 2,519,000 |  | 2,519,000 |  | 2,519,000 | 2,519,000 |  |  |
Texas Customer |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net |  |  |  | $ 1,400,000 |  |  |  |  |  | $ 1,400,000 |
Verbal demand for damages |  |  |  | $ 1,400,000 |  |  |  |  |  |  |
Litigation and Commercial Claims |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Number of welds alleged not in compliance | weld |  |  |  | 66 |  |  |  |  |  | 66 |
Number of welds inspected | weld |  |  |  | 16,000 |  |  |  |  |  | 16,000 |
Verbal demand for damages |  |  |  | $ 7,600,000 |  |  |  |  |  |  |
Litigation and Commercial Claims | Texas Customer |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Accounts receivable, net |  |  |  | 1,400,000 | 1,400,000 |  |  | 1,400,000 |  | $ 1,400,000 |
Verbal demand for damages |  |  |  | $ 1,400,000 |  |  |  |  |  |  |
Contingency accrual |  |  |  |  | 0 |  |  | $ 0 |  |  |
Class Actions |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Number of proceedings filed | claim |  |  |  |  |  |  |  | 2 |  |  |
Number of consolidated cases | claim |  |  |  |  |  |  |  | 2 |  |  |
Litigation settlement amount |  | $ 2,300,000 |  |  |  |  |  |  |  |  |
Contingency related charges |  |  |  |  |  | $ 1,600,000 | $ 800,000 |  |  |  |
Class action on behalf of current and former employees |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Number of proceedings filed | claim |  |  |  |  |  |  |  | 1 |  |  |
Class action on behalf of State of California |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Number of proceedings filed | claim |  |  |  |  |  |  |  | 1 |  |  |
Pension Related Contingencies |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Multiemployer pension plan liability |  |  |  |  | 2,600,000 |  |  | $ 2,600,000 |  |  |
Multiemployer pension plan accruals |  |  |  |  | 100,000 |  |  |  |  | $ 2,500,000 |
Severance and Labor Disputes | Foreign Subsidiary |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Settlement amount |  |  | $ 1,000,000 |  |  |  |  |  |  |  |
Number of settlement installments | installment |  |  | 2 |  |  |  | 2 |  |  |  |
Percentage of settlement installments |  |  | 0.31 |  |  | 0.69 | 0.31 |  |  |  |
Gain on settlement |  |  | $ 300,000 |  |  | $ 600,000 |  |  |  |  |
Severance and Labor Disputes | GERMANY | Foreign Subsidiary |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Contingency related charges |  |  |  |  |  |  |  | 100,000 |  |  |
Contingency payments |  |  |  |  |  |  |  | 400,000 |  |  |
Loss contingency reversals |  |  |  |  |  |  |  | 1,000,000 |  |  |
Severance and Labor Disputes | GERMANY | Foreign Subsidiary | Right to Customer Contracts | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Consideration received on sale of disposal |  |  |  |  |  |  |  |  |  |  | $ 100,000
Acquisition-related Contingencies | Products and Systems | Disposal of Foreign Subsidiaries | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Term of agreement to purchase products from buyer on sale of subsidiary |  |  |  |  |  |  |  |  | 3 years |  |
Extension period on agreement with buyer on sale of subsidiary | 12 months |  |  |  |  |  |  |  |  |  |
Remaining amount of purchase agreement with buyer on sale of subsidiary |  |  |  |  | 1,000,000 |  |  | 1,000,000 |  |  |
Acquisition-related Contingencies | Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |  |  |  |  |
Litigation |  |  |  |  |  |  |  |  |  |  |
Potential acquisition-related contingent consideration, low end of range |  |  |  |  | 0 |  |  | 0 |  |  |
Potential acquisition-related contingent consideration, high end of range |  |  |  |  | $ 2,800,000 |  |  | $ 2,800,000 |  |  |
Period over which potential acquisition-related contingent consideration would be payable |  |  |  |  |  |  |  | 12 months |  |  |

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