Debt of the Operating Partnership - Schedule of Debt Functional Currencies (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Amount Outstanding	$ 14,410,176	$ 13,562,240
% of Total	2.12%	2.23%
U.S. dollar
Debt Instrument [Line Items]
Amount Outstanding	$ 3,590,903	$ 3,141,951
% of Total	24.90%	23.20%
British pound sterling
Debt Instrument [Line Items]
Amount Outstanding	$ 1,887,590	$ 2,117,758
% of Total	13.10%	15.60%
Euro
Debt Instrument [Line Items]
Amount Outstanding	$ 7,789,612	$ 7,532,057
% of Total	54.10%	55.50%
Other currency
Debt Instrument [Line Items]
Amount Outstanding	$ 1,142,071	$ 770,474
% of Total	7.90%	5.70%