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Property, Plant and Equipment, net
 9 Months Ended
Sep. 30, 2023
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, 2023December 31, 2022
Land $2,438 $2,529 
Buildings and improvements
30-40
25,671 24,800 
Office furniture and equipment
5-8
21,318 18,057 
Machinery and equipment
5-7
262,370 251,282 
  311,797 296,668 
Accumulated depreciation and amortization (232,035)(219,107)
Property, plant and equipment, net $79,762 $77,561 
 
Depreciation expense for the three months ended September 30, 2023 and 2022 was approximately $6.6 million and $5.9 million, respectively.

Depreciation expense for the nine months ended September 30, 2023 and 2022 was $19.0 million and $18.3 million, respectively.