v3.20.2
Property, Plant and Equipment
 6 Months Ended
Jun. 30, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
(5) Property, Plant and Equipment

Property, plant and equipment consisted of the following:
(in thousands)June 30, 2020December 31, 2019
Machinery and equipment $1,386,140  $1,378,651  
Buildings and improvements 17,534  17,221  
Automotive equipment 16,637  16,691  
Land and improvements 14,058  14,075  
Construction in progress 7,047  5,198  
Other1,791  1,752  
1,443,207  1,433,588  
Less: Accumulated depreciation 518,621  481,629  
Total property, plant and equipment, net
$924,586  $951,959  

As of June 30, 2020, the Partnership had not identified the existence of an impairment indicator for our long-lived asset groups as outlined under ASC 360.