Schedule III - Real Estate and Accumulative Depreciation - Real Estate Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Real Estate, at Gross Cost Basis
Balance at January 1	$ 8,777,385	$ 14,028,516	$ 12,702,355
Asset acquisitions and business combinations	1,130,735	572,738	3,650,180
Measurement period adjustments for real estate acquired in business combinations	0	0	(8,405)
Foreclosures and exchanges of loans receivable for real estate	0	0	124,335
Improvements and capitalized costs	523,049	325,281	180,787
Dispositions	(3,720,789)	(5,744,919)	(869,776)
Impairment (Note 21)	(34,990)	(316,135)	(1,878,012)
Effect of changes in foreign exchange rates	(21,654)	(88,096)	127,052
Balance at December 31	6,653,736	8,777,385	14,028,516
Classified as held for disposition, net	0	(3,413,018)	(9,458,467)
SEC Schedule III, Real Estate, Held for Investment	$ 6,653,736	$ 5,364,367	$ 4,570,049