Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment Narrative (Details)

v3.20.2
Property, Plant and Equipment Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Property, Plant and Equipment [Abstract]        
Depreciation $ 33,243 $ 32,381 $ 66,744 $ 65,535