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Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
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Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 490,741 | $ 433,644
Less accumulated depreciation | (220,209) | (189,996)
Total property and equipment, net | 270,532 | 243,648
Construction and transportation equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 459,594 | 405,242
Buildings and improvements |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 23,982 | 21,325
Land |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | 3,054 | 3,054
Office equipment |  |
Property, Plant and Equipment [Line Items] |  |
Total property and equipment | $ 4,111 | $ 4,023

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- Definition Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -SubTopic 20 -Topic 842 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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