Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Information
Cash and cash equivalents	$ 1,062,050		$ 141,773
Restricted cash (included in other assets)	$ 10,395		$ 8,923
Restricted Cash, Statement of Financial Position [Extensible Enumeration]	Other Assets		Other Assets
Total	$ 1,072,445	$ 185,944	$ 150,696	$ 151,485
Interest, net of amounts capitalized	345,800	252,500
Income taxes, net of refunds	60,100	29,900
Accrued construction related costs	$ 607,600	$ 441,900