Related Party Transactions - Schedule of Related Party Transactions (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Related Party Transactions [Abstract]
Operating expenses—related parties	$ 1,200,000	$ 1,500,000
Maintenance expenses—related parties	0	100,000
General and administrative—related parties	4,000,000.0	3,900,000
Total costs and expenses—related parties	5,200,000	5,500,000
Related Party Transaction [Line Items]
Deficiency revenue		2,400,000
BP Products
Related Party Transaction [Line Items]
Deficiency revenue	$ 6,000,000.0	$ 0.0