Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Costs relating to construction included in accounts payable and accrued expenses	$ 11,663	$ 22,814	$ 17,619
Interest Paid, Net of Interest Capitalized	$ 45,114	$ 58,021	$ 57,237