Summary of Significant Accounting Policies - Allowance for Credit Losses and Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Management Fees and Other Revenues
Insurance reserve for insurance subsidiaries and other self-insurance programs	$ 96,100	$ 85,700
Income Taxes
Provision for federal income taxes for REIT entities	0
Deferred tax liabilities, Net	307,800	278,300
Cash paid income taxes	$ 31,187	$ 53,241	$ 102,454