Property, net - Schedule of Loss (Gain) on Sale or Write down of Assets (Details) - USD ($)		3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment
Loss on write-down of assets			$ (67,344,000)	$ (76,705,000)	$ (16,285,000)
Gain (loss) on sale or write down of assets, net			75,740,000	(68,112,000)	(11,909,000)
North Bridge,Chicago Illinois | Joint venture
Property, Plant and Equipment
Loss on Investments	$ (28,276,000)
Paradise Valley Mall
Property, Plant and Equipment
Loss on write-down of assets				(6,640,000)
Estrella Falls
Property, Plant and Equipment
Loss on write-down of assets			(27,281,000)
Wilton Mall
Property, Plant and Equipment
Loss on write-down of assets				(30,063,000)
Property
Property, Plant and Equipment
Gain on sales			113,657,000	0	0
Land
Property, Plant and Equipment
Gain on sales			29,427,000	$ 8,593,000	$ 4,376,000
Land | Paradise Valley Mall
Property, Plant and Equipment
Gain on sales		$ 1,334,000	$ 1,334,000