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Property, Plant & Equipment (Tables)
3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property, plant and equipment, net consisted of the following for the periods specified (in thousands):
March 31, 2022December 31, 2021
Property, plant and equipment$186,166 $183,500 
Accumulated depreciation(110,120)(107,603)
Property, plant and equipment — net$76,046 $75,897