XML 147 R53.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Components of property, plant and equipment    
Land $ 40,442 $ 29,739
Land improvements and leasehold improvements 103,148 68,826
Buildings and storage facilities 373,961 284,998
Machinery and equipment 835,156 393,640
Construction in progress 59,993 102,394
Property, plant and equipment, gross 1,412,700 879,597
Less: accumulated depreciation 474,282 402,886
Property, plant and equipment, net $ 938,418 $ 476,711