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Property, Plant and Equipment, net
 6 Months Ended
Jun. 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)
June 30, 2023December 31, 2022
Land $2,449 $2,529 
Buildings and improvements
30-40
25,815 24,800 
Office furniture and equipment
5-8
22,270 18,057 
Machinery and equipment
5-7
259,697 251,282 
  310,231 296,668 
Accumulated depreciation and amortization (228,934)(219,107)
Property, plant and equipment, net $81,297 $77,561 
 
Depreciation expense for the three months ended June 30, 2023 and 2022 was approximately $6.2 million and $5.8 million, respectively.

Depreciation expense for the six months ended June 30, 2023 and 2022 was $12.4 million and $12.3 million, respectively.