Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Narratives (Details)

v3.19.3
Property, Plant and Equipment - Narratives (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Property, Plant and Equipment [Abstract]        
Depreciation $ 31,554 $ 30,626 $ 97,088 $ 99,491