General form of registration statement for all companies including face-amount certificate companies

Property, plant, and equipment (Tables)

v3.22.2
Property, plant, and equipment (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
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 March 31, 2022 and December 31, 2021:
 
     
(In thousands)
  
March 31,
2022
   
December 31,
2021
 
Machinery and equipment
   $ 1,018,221     $ 760,829  
Mining property and mine development
     35,491       34,809  
Office equipment, software and other
     13,876       5,550  
Buildings and leasehold improvements
     16,091       15,947  
    
 
 
   
 
 
 
Total
     1,083,679       817,135  
Less: accumulated depreciation and depletion
     (506,831     (464,178
Construction in progress
     42,923       10,730  
    
 
 
   
 
 
 
Property, plant, and equipment, net
   $ 619,771     $ 363,687  
The following table summarizes the components of our property, plant, and equipment, net as of December 31, 2021 and December 31, 2020:
 
     
     
December 31,
2021
   
December 31,
2020
 
Machinery and equipment
   $ 760,829     $ 738,312  
Mining property and mine development
     34,809       4,809  
Office equipment, software and other
     5,550       4,820  
Buildings and leasehold improvements
     15,947       16,695  
  
 
 
   
 
 
 
Total
     817,135       764,636  
Less: accumulated depreciation and depletion
     (464,178     (352,565
Construction in progress
     10,730       17,613  
  
 
 
   
 
 
 
Property, plant, and equipment, net
   $ 363,687     $ 429,684  
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  
Machinery and equipment
     2 years—10 years  
Office equipment, software, and other
     3 years—7 years  
Buildings and leasehold improvements
     2 years—40 years