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Property, plant and equipment, net
 3 Months Ended
Mar. 31, 2024
Property, Plant and Equipment [Abstract]  
Property, plant and equipment, net Property, plant and equipment, net
 
The following table provides the gross and net amount of property, plant and equipment:
 
As of December 31, 2023As of March 31, 2024
Property, plant and equipment, gross$780,134 $791,103 
Less: Accumulated depreciation and amortization (590,331)(597,298)
Property, plant and equipment, net$189,803 $193,805 
 
Depreciation expense on property, plant and equipment for the three months ended March 31, 2023 and 2024 was $12,717 and $13,495, respectively. Computer software amortization for the three months ended March 31, 2023 and 2024 was $689 and $533, respectively.