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Note 13 - Property, Plant and Equipment, Net
 3 Months Ended
Mar. 31, 2022
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

13.

Property, plant and equipment, net

 

Property, plant and equipment, net consisted of the following as of March 31, 2022 and December 31, 2021 (in thousands):

 

  

March 31,

  

December 31,

 
  

2022

  

2021

 

Cost:

        

Land

 $21,860  $21,580 

Land improvements

  3,056   3,054 

Buildings and lease hold improvements

  102,980   104,660 

Plant and equipment

  714,072   701,400 
   841,968   830,694 

Less: accumulated depreciation

  (377,486)  (352,114)

Total

 $464,482  $478,580 

 

During the three months ended March 31, 2022, a building classified as assets held for sale was sold for net proceeds of $6.1 million.

 

The carrying amount of our property, plant and equipment recognized in respect of assets held under finance leases as of March 31, 2022 and December 31, 2021 and included in amounts above is as follows (in thousands):

 

  

March 31,

  

December 31,

 
  

2022

  

2021

 

Cost:

        

Buildings

 $18,623  $18,623 

Plant and equipment

  1,275   1,275 

Total

  19,898   19,898 

Less: accumulated amortization

  (8,074)  (7,733)

Total

 $11,824  $12,165 

 

Depreciation expense relating to property, plant and equipment, including assets under finance leases, was $26.0 million and $21.4 million for the three months ended March 31, 2022 and 2021, respectively.