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PROPERTY, PLANT, AND EQUIPMENT
3 Months Ended
Mar. 31, 2025
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT, AND EQUIPMENT
4. PROPERTY, PLANT, AND EQUIPMENT
Property, plant and equipment, net as of March 31, 2025 and December 31, 2024 consist of the following (in thousands):
March 31, 2025 (As Restated)
December 31, 2024Estimated Useful Lives
Land and improvements1
$18,699 $17,215 
20 years
Building and improvements
186,504 186,267 
10 to 39 years
Mining and network equipment
413,142 413,296 
3 to 5 years
Electrical equipment2
73,719 74,077 
5 to 15 years
Other property, plant and equipment3
2,838 2,764 
5 to 7 years
Total
694,902 693,619 
Less: accumulated depreciation and amortization4
393,373 372,112 
Total
301,529 321,507 
Add: Construction in progress
221,451 111,966 
Property, plant and equipment, net
$522,980 $433,473 
1 Estimated useful life of improvements. Land is not depreciated.
2 Includes finance lease assets of $8.5 million and $8.5 million at March 31, 2025 and December 31, 2024, respectively.
3 Includes finance lease assets of $0.4 million and $0.4 million at March 31, 2025 and December 31, 2024, respectively.
4 Includes accumulated amortization for assets under finance leases of $3.2 million and $3.0 million at March 31, 2025 and December 31, 2024, respectively.
Depreciation expense, including amortization of finance lease assets, for the three months ended March 31, 2025 and 2024, was $19.5 million and $28.8 million, respectively.