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Property, Plant and Equipment, net
 9 Months Ended
Sep. 30, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, net Property, Plant and Equipment, net
 
Property, plant and equipment consisted of the following:
 
Useful Life
(Years)
September 30, 2022December 31, 2021
Land $2,499 $2,762 
Buildings and improvements
30-40
23,790 24,787 
Office furniture and equipment
5-8
19,219 16,620 
Machinery and equipment
5-7
240,741 250,166 
  286,249 294,335 
Accumulated depreciation and amortization (210,116)(207,757)
Property, plant and equipment, net $76,133 $86,578 
 
Depreciation expense for the three months ended September 30, 2022 and 2021 was approximately $5.9 million and $6.1 million, respectively.

Depreciation expense for the nine months ended September 30, 2022 and 2021 was $18.3 million and $18.4 million, respectively.