Quarterly report [Sections 13 or 15(d)]

Property, Plant and Equipment, net and Assets Held for Sale (Tables)

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Property, Plant and Equipment, net and Assets Held for Sale (Tables)
9 Months Ended
Sep. 30, 2026
Property, Plant, and Equipment [Abstract]  
Schedule of Property, Plant and Equipment, Net
Property, plant and equipment, net includes the following (in thousands):
September 30, December 31,
Useful Life 2026 2025
Aviation equipment(a)
3-10 years
$ 97,459  $ 43,498 
Machinery and equipment
7-20 years
80,165  53,774 
Buildings and leasehold improvements
15-39 years
29,136  30,100 
Rail improvements
10-20 years
11,759  11,759 
Vehicles, trucks and trailers
5-10 years
10,844  13,044 
Drilling rigs and directional drilling equipment
3-15 years
9,150  13,062 
Land N/A 6,025  6,025 
Other property, plant and equipment
3-15 years
6,373  6,721 
250,911  177,983 
Equipment not yet placed in service 35,740  25,970 
286,651  203,953 
Less: Accumulated depreciation(b)
102,307  97,856 
Total property, plant and equipment, net $ 184,344  $ 106,097 
(a)    This equipment relates to assets leased and available to be leased to customers under operating leases.
(b)    Includes accumulated depreciation of $15.7 million and $5.7 million at September 30, 2026 and December 31, 2025, respectively, related to assets under operating leases.
Schedule of Depreciation, Depletion, Accretion and Amortization Expense
A summary of depreciation, depletion, amortization and accretion is below (in thousands):
Three Months Ended September 30, Nine Months Ended September 30,
2026 2025 2026 2025
Depreciation $ 5,497  $ 1,908  $ 13,280  $ 6,178 
Amortization 91  14  118  41 
Depletion and accretion 969  829  1,263  1,442 
Depreciation, depletion, amortization and accretion $ 6,557  $ 2,751  $ 14,661  $ 7,661