Quarterly report pursuant to Section 13 or 15(d)

Property, plant, and equipment (Tables)

v3.22.2.2
Property, plant, and equipment (Tables)
9 Months Ended
Sep. 30, 2022
Property Plant And Equipment [Abstract]  
Summary of Components of Property Plant and Equipment Net

The following table summarizes the components of our property, plant, and equipment, net as of September 30, 2022, and December 31, 2021:

 

(In thousands)

 

September 30,

2022

 

 

December 31,

2021

 

Machinery and equipment

 

$

1,180,092

 

 

$

760,829

 

Mining property and mine development

 

 

97,265

 

 

 

34,809

 

Office equipment, software and other

 

 

15,156

 

 

 

5,550

 

Land

 

 

950

 

 

 

 

Buildings and leasehold improvements

 

 

27,373

 

 

 

15,947

 

Total

 

 

1,320,836

 

 

 

817,135

 

Less: accumulated depreciation and depletion

 

 

(632,801

)

 

 

(464,178

)

Construction in progress

 

 

133,174

 

 

 

10,730

 

Property, plant, and equipment, net

 

$

821,209

 

 

$

363,687

 

Major Classifications of Property Plant and Equipment and Respective Useful Lives

Machinery and equipment

 

2 years—10 years

Office equipment, software, and other

 

3 years—7 years

Buildings and leasehold improvements

 

2 years—40 years