Property, Plant and Equipment, net

12 Months Ended

Dec. 31, 2021

Property, plant and equipment consist of the following as of December 31:


In Thousands	2021	2020
Land and land improvements	72,897	60,662
Construction-in-progress	92,414	91,688
Buildings and improvements	217,985	153,094
Machinery and equipment	362,996	373,902
Furniture and fixtures	13,805	15,345
Property, plant and equipment, gross	760,097	694,691
Accumulated depreciation	(265,181)	(283,923)
Property, plant and equipment, net	494,916	410,768

Depreciation expense for the years ended December 31, 2021, 2020 and 2019 was $23.2 million, $19.4 million and $17.7 million, respectively.