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PROPERTY AND EQUIPMENT - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 440,510 | $ 413,362
Less accumulated depreciation | (195,700) | (176,567)
Total property and equipment, net | 244,810 | 236,795
Construction and transportation equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 413,686 | 386,946
Buildings and improvements |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 20,662 | 20,476
Land |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 2,168 | 2,168
Office equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 3,994 | $ 3,772

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