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REVENUE FROM CUSTOMERS - Revenue Disaggregation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 1,972,229 | $ 1,769,436 | $ 1,414,374
Lump Sum |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 1,076,432 | 1,001,290 | 479,049
Fixed-Unit Price |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 613,842 | 556,234 | 723,344
Residential and Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 281,955 | 211,912 | 211,981
Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 1,972,229 | 1,769,436 | 1,414,374
E-Infrastructure Solutions | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 937,408 | 905,277 | 468,784
Transportation Solutions | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 630,908 | 542,550 | 628,190
Transportation Solutions | Heavy Highway |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 453,042 | 391,894 | 467,678
Transportation Solutions | Aviation |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 70,784 | 82,950 | 115,258
Transportation Solutions | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 107,082 | 67,706 | 45,254
Building Solutions | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 403,913 | 321,609 | 317,400
Building Solutions | Residential |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | 273,699 | 207,674 | 209,201
Building Solutions | Commercial |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenues | $ 130,214 | $ 113,935 | $ 108,199

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