Property, Plant, and Equipment and Impairment of Long-Lived Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 81,800	$ 75,200	$ 39,000
Asset impairment loss	85,806	$ 0	$ 0
Par West - Asset Acquisition
Property, Plant and Equipment [Line Items]
Asset impairment loss	2,200
Par West - Asset Acquisition
Property, Plant and Equipment [Line Items]
Asset impairment loss	17,900
Par West - Asset Acquisition | Property, Plant and Equipment
Property, Plant and Equipment [Line Items]
Impairment charges	10,700
Par West - Asset Acquisition | Deferred Turnaround Cost
Property, Plant and Equipment [Line Items]
Impairment charges	$ 5,000