Description of the Business and Summary of Significant Accounting Policies - Cash Paid for Interest (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract]
Debt interest paid	$ 113,743	$ 121,876	$ 74,821
Capitalized interest	(3,753)	(1,618)	(10,013)
Cash paid for interest, net of capitalized interest	$ 109,990	$ 120,258	$ 64,808