Summary of Significant Accounting Policies - Variable Interest Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Variable interest entity
Net real estate	$ 50,070,071	$ 43,514,286
Total assets	68,328,249	57,779,357
Total liabilities	29,009,765	24,672,388
Primary Beneficiary
Variable interest entity
Net real estate	2,847,404	2,866,272
Total assets	3,582,159	3,588,720
Total liabilities	$ 140,588	$ 134,366