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Revenue - Disaggregated Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 189,773 | $ 176,030 | $ 374,215 | $ 344,046
United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 132,635 | 124,626 | 262,474 | 246,738
Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 24,403 | 23,686 | 43,762 | 41,339
Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 31,259 | 25,094 | 61,380 | 50,124
Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,476 | 2,624 | 6,599 | 5,845
Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 109,256 | 106,124 | 222,421 | 204,789
Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 22,340 | 19,018 | 44,458 | 37,620
Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 18,294 | 17,737 | 33,493 | 33,650
Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 9,033 | 8,156 | 14,885 | 16,126
Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 14,909 | 13,381 | 26,809 | 25,754
Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 8,633 | 6,746 | 15,219 | 12,507
Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 4,019 | 1,733 | 8,363 | 7,015
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 3,289 | 3,135 | 8,567 | 6,585
Operating segments | North America |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 156,394 | 145,550 | 306,743 | 282,482
Operating segments | North America | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 130,870 | 122,972 | 260,328 | 243,572
Operating segments | North America | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 24,594 | 21,041 | 41,721 | 35,311
Operating segments | North America | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 611 | 1,282 | 1,764 | 2,694
Operating segments | North America | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 319 | 255 | 2,930 | 905
Operating segments | North America | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 96,356 | 97,500 | 199,383 | 187,273
Operating segments | North America | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 16,596 | 13,665 | 31,971 | 27,276
Operating segments | North America | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 11,853 | 11,066 | 20,762 | 20,368
Operating segments | North America | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 7,332 | 5,459 | 10,924 | 10,446
Operating segments | North America | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 10,368 | 8,864 | 18,296 | 17,973
Operating segments | North America | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 5,125 | 4,171 | 9,097 | 6,654
Operating segments | North America | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 3,848 | 1,577 | 7,661 | 6,714
Operating segments | North America | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 4,916 | 3,248 | 8,649 | 5,778
Operating segments | International |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 34,264 | 30,277 | 67,311 | 59,684
Operating segments | International | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 432 | 280 | 728 | 589
Operating segments | International | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,921 | 3,821 | 4,216 | 7,310
Operating segments | International | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 31,183 | 24,474 | 59,846 | 48,657
Operating segments | International | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 728 | 1,702 | 2,521 | 3,128
Operating segments | International | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 12,735 | 8,609 | 22,801 | 17,464
Operating segments | International | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 5,697 | 5,136 | 12,429 | 10,116
Operating segments | International | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 5,878 | 6,203 | 11,731 | 12,256
Operating segments | International | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,254 | 1,530 | 2,936 | 3,187
Operating segments | International | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 4,504 | 4,466 | 8,437 | 7,703
Operating segments | International | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 2,813 | 2,028 | 5,018 | 4,164
Operating segments | International | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 171 | 156 | 702 | 301
Operating segments | International | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,212 | 2,149 | 3,257 | 4,493
Operating segments | Products |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 3,373 | 3,329 | 6,583 | 7,068
Operating segments | Products | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,542 | 1,645 | 3,142 | 3,446
Operating segments | Products | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 675 | 298 | 852 | 624
Operating segments | Products | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 580 | 504 | 1,231 | 765
Operating segments | Products | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 576 | 882 | 1,358 | 2,233
Operating segments | Products | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 165 | 15 | 237 | 52
Operating segments | Products | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 47 | 217 | 58 | 228
Operating segments | Products | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 563 | 468 | 1,000 | 1,026
Operating segments | Products | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 447 | 1,167 | 1,025 | 2,493
Operating segments | Products | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 37 | 51 | 76 | 78
Operating segments | Products | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 695 | 547 | 1,104 | 1,689
Operating segments | Products | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Operating segments | Products | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 1,419 | 864 | 3,083 | 1,502
Corp/Elim |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (4,258) | (3,126) | (6,422) | (5,188)
Corp/Elim | United States |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (209) | (271) | (1,724) | (869)
Corp/Elim | Other Americas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (2,787) | (1,474) | (3,027) | (1,906)
Corp/Elim | Europe |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (1,115) | (1,166) | (1,461) | (1,992)
Corp/Elim | Asia-Pacific |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | (147) | (215) | (210) | (421)
Corp/Elim | Oil & Gas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Aerospace & Defense |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Industrials |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Power Generation & Transmission |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Other Process Industries |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Infrastructure, Research & Engineering |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Petrochemical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 0 | 0 | 0
Corp/Elim | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ (4,258) | $ (3,126) | $ (6,422) | $ (5,188)

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