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PROPERTY, PLANT AND EQUIPMENT
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
 
The composition of property, plant and equipment is as follows (dollar amounts in thousands):
As of December 31,20212020
Land and improvements$351 $363 
Buildings and improvements32,845 32,324 
Machinery and equipment30,631 27,955 
Furniture and fixtures12,237 12,557 
Computer software and hardware57,535 56,838 
 133,599 130,037 
Accumulated depreciation and amortization(82,742)(75,682)
Total property, plant and equipment$50,857 $54,355 
 
Depreciation expense was $11.1 million and $10.4 million for the years ended December 31, 2021 and 2020, respectively.
Capitalized interest was immaterial for the years ended December 31, 2021 and 2020.