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PROPERTY, PLANT, AND EQUIPMENT
6 Months Ended
Jun. 30, 2025
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT, AND EQUIPMENT
4. PROPERTY, PLANT, AND EQUIPMENT
Property, plant and equipment, net as of June 30, 2025 and December 31, 2024 consist of the following (in thousands):
June 30, 2025 (As Restated)
December 31, 2024Estimated Useful Lives
Land and improvements1
$21,728 $17,215 
20 years
Building and improvements
177,446 186,267 
10 to 39 years
Mining and network equipment
395,440 413,296 
3 to 5 years
Electrical equipment2
70,778 74,077 
15 years
Other property, plant and equipment
2,965 2,764 
5 to 7 years
Total
668,357 693,619 
Less: accumulated depreciation and amortization3
389,239 372,112 
Total
279,118 321,507 
Add: Construction in progress
422,174 111,966 
Property, plant and equipment, net
$701,292 $433,473 
1 Estimated useful life of improvements. Land is not depreciated.
2 Includes finance lease assets of $7.9 million and $8.5 million at June 30, 2025 and December 31, 2024, respectively.
3 Includes accumulated amortization for assets under finance leases of $2.9 million and $3.0 million at June 30, 2025 and December 31, 2024, respectively.
Depreciation expense, including amortization of finance lease assets, for the three months ended June 30, 2025 and 2024, was $18.6 million and $29.3 million, respectively, and for the six months ended June 30, 2025 and 2024, was $38.1 million and $58.1 million, respectively.