Basis of Presentation - Variable Interest Entities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Variable interest entity
Net real estate	$ 42,234,219	$ 37,752,421
Total assets	55,336,920	49,673,092
Total liabilities	23,513,502	20,829,803
Primary Beneficiary
Variable interest entity
Net real estate	2,494,915	920,032
Total assets	3,161,113	1,082,346
Total liabilities	$ 119,552	$ 60,127