Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment - Narratives (Details)

v3.19.3.a.u2
Property, Plant and Equipment - Narratives (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Abstract]      
Depreciation $ 131,646 $ 132,640 $ 124,551