Property and Equipment (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
|---|---|---|---|
| Property and Equipment | |||
| Gross book value of depreciable assets | $ 295,353 | $ 256,025 | |
| Less: accumulated depreciation | (197,369) | (185,650) | |
| Net book value of depreciable assets | 97,984 | 70,375 | |
| Construction in progress | 22,003 | 15,143 | |
| Land | 9,642 | 2,692 | |
| Property and equipment, net of depreciation | 129,629 | 88,210 | $ 97,677 |
| Construction equipment | |||
| Property and Equipment | |||
| Gross book value of depreciable assets | 147,753 | 113,863 | |
| Vessels and other equipment | |||
| Property and Equipment | |||
| Gross book value of depreciable assets | 103,603 | 98,505 | |
| Building and improvements | |||
| Property and Equipment | |||
| Gross book value of depreciable assets | 36,229 | 36,229 | |
| Automobiles and trucks | |||
| Property and Equipment | |||
| Gross book value of depreciable assets | 1,593 | 1,429 | |
| Office equipment | |||
| Property and Equipment | |||
| Gross book value of depreciable assets | $ 6,175 | $ 5,999 |
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- Definition Amount before accumulated depreciation, depletion and amortization of depreciable physical assets used in the normal conduct of business and not intended for resale. Excludes land and construction in progress. No definition available.
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- Definition Property, Plant and Equipment, Net Book Value of Depreciable Assets No definition available.
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- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before accumulated depletion of real estate held for productive use, excluding land held for sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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