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Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

 

   December 31,
2021
   December 31,
2020
 
Building  $61,383   $64,956 
Machinery and equipment   164,538    155,513 
Office equipment and software   7,278    7,041 
Vehicles   3,302    3,080 
Aircraft   9,545    - 
Furniture and fixtures   2,537    2,304 
Total property, plant and equipment   248,583    232,894 
Accumulated depreciation   (106,845)   (107,410)
Net book value of property and equipment   141,738    125,484 
Land   24,891    26,990 
Total property, plant and equipment, net  $166,629   $152,474