Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment Narrative (Details)

v3.21.2
Property, Plant and Equipment Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 16,369 $ 16,222 $ 49,902 $ 47,857