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REVENUE FROM CUSTOMERS - Backlog By Segment (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Segment Reporting Information [Line Items] |  |
Total RPOs | $ 2,067,016 |
Total Assets |  |
Segment Reporting Information [Line Items] |  |
Total RPOs |  | $ 1,414,342
E-Infrastructure Solutions | Total Assets |  |
Segment Reporting Information [Line Items] |  |
Total RPOs | 813,729 | 603,227
Transportation Solutions | Total Assets |  |
Segment Reporting Information [Line Items] |  |
Total RPOs | 1,184,496 | 713,173
Building Solutions | Total Assets |  |
Segment Reporting Information [Line Items] |  |
Total RPOs | $ 68,791 | $ 97,942

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