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REVENUE FROM CUSTOMERS - Schedule of Revenue Disaggregation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 614,468 | $ 582,822 | $ 1,045,417 | $ 1,023,182
Road and Highway Builders, LLC |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 61,321 | 73,947 | 104,767 | 112,411
Lump-Sum |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 323,186 | 274,701 | 547,374 | 498,862
Fixed-Unit Price |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 200,034 | 221,297 | 326,596 | 352,158
Residential and Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 91,248 | 86,824 | 171,447 | 172,162
Transportation Solutions Revenues | Road and Highway Builders, LLC |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues |  | 73,947 |  | 112,411
Transportation Solutions Revenues | Heavy Highway |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 133,109 | 161,863 | 220,307 | 255,240
Transportation Solutions Revenues | Aviation |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 15,797 | 22,634 | 27,308 | 40,774
Transportation Solutions Revenues | Other Services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 47,891 | 48,278 | 69,843 | 85,730
Building Solutions Revenues | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 91,812 | 84,682 | 168,578 | 168,451
Building Solutions Revenues | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 15,453 | 24,053 | 30,712 | 47,199
Operating Segments |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues |  |  | 1,045,417 |
Operating Segments | E-Infrastructure Solutions Revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 310,406 | 241,312 | 528,669 | 425,788
Operating Segments | Transportation Solutions Revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 196,797 | 232,775 | 317,458 | 381,744
Operating Segments | Building Solutions Revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 107,265 | $ 108,735 | $ 199,290 | $ 215,650

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