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Supplemental Balance Sheet Information - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Property, plant and equipment, gross $ 1,724,702 $ 1,668,066
Accumulated depreciation (699,915) (635,595)
Property, plant and equipment, net $ 1,024,787 $ 1,032,471 [1]
[1] (1)December 31, 2020 balances were derived from the audited Consolidated Financial Statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020, filed with the SEC on February 26, 2021.