Schedule III - Real Estate and Accumulated Depreciation (Parenthetical) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Real Estate And Accumulated Depreciation [Line Items]
Furniture, fixtures and equipment	$ 1,916,458,000	$ 1,722,231,000
Land and depreciable property net	13,700,000,000	$ 14,000,000,000.0
Depreciable Property [Member]
Real Estate And Accumulated Depreciation [Line Items]
Furniture, fixtures and equipment	$ 1,916,458,010
Building [Member]
Real Estate And Accumulated Depreciation Abstract
Property, Plant and Equipment, Estimated Useful Lives	30 years
Renovations and Improvements Minimum [Member]
Real Estate And Accumulated Depreciation Abstract
Property, Plant and Equipment, Estimated Useful Lives	5 years
Renovations and Improvements Maximum [Member]
Real Estate And Accumulated Depreciation Abstract
Property, Plant and Equipment, Estimated Useful Lives	15 years
Replacements Minimum [Member]
Real Estate And Accumulated Depreciation Abstract
Property, Plant and Equipment, Estimated Useful Lives	5 years
Replacements Maximum [Member]
Real Estate And Accumulated Depreciation Abstract
Property, Plant and Equipment, Estimated Useful Lives	10 years
Management Business Renovations and Improvements Minimum [Member]
Real Estate And Accumulated Depreciation Abstract
Property, Plant and Equipment, Estimated Useful Lives	3 years
Management Business Renovations and Improvements Maximum [Member]
Real Estate And Accumulated Depreciation Abstract
Property, Plant and Equipment, Estimated Useful Lives	7 years