Summary of Significant Accounting Policies - Variable Interest Entities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Variable interest entity
Net real estate	$ 50,682,611	$ 43,514,286
Total assets	68,468,766	57,779,357
Total liabilities	29,799,056	24,672,388
Primary Beneficiary
Variable interest entity
Net real estate	2,907,604	2,866,272
Total assets	3,549,127	3,588,720
Total liabilities	$ 154,092	$ 134,366