Segment Information - Property Operating Revenues, Expenses and NOI by Product Type (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 2,595,901	$ 2,978,261	$ 5,499,865	$ 5,650,114
Operating expenses	2,759,008	2,577,196	5,897,370	5,124,011
Bad debt expense	163		12,946	3,196
Net operating income	(163,107)	401,065	(397,505)	526,103
Operating segments
Segment Reporting Information [Line Items]
Revenues	2,595,901,000	2,978,261,000	5,499,865,000	5,650,114,000
Operating expenses	942,660,000	1,393,739,000	1,927,026,000	2,573,152,000
Bad debt expense	163,000		12,946,000	3,196,000
Net operating income	1,653,078,000	1,584,522,000	3,559,893,000	3,073,766,000
Operating segments | Hotel properties.
Segment Reporting Information [Line Items]
Revenues	362,851,000	1,433,318,000	1,128,340,000	2,728,703,000
Operating expenses	339,943,000	975,189,000	712,803,000	1,772,584,000
Net operating income	22,908,000	458,129,000	415,537,000	956,119,000
Operating segments | Retail center properties
Segment Reporting Information [Line Items]
Revenues	1,623,207,000	1,361,349,000	3,148,292,000	2,554,990,000
Operating expenses	442,047,000	353,834,000	892,172,000	681,764,000
Bad debt expense	163,000		7,954,000	3,196,000
Net operating income	1,180,997,000	1,007,515,000	2,248,166,000	1,870,030,000
Operating segments | Flex center property
Segment Reporting Information [Line Items]
Revenues	609,843,000	183,594,000	1,223,233,000	366,421,000
Operating expenses	160,670,000	64,716,000	322,051,000	118,804,000
Bad debt expense			4,992,000
Net operating income	$ 449,173,000	$ 118,878,000	$ 896,190,000	$ 247,617,000