Equity - Distributions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Dividends Payable
Total distributions paid (usd per share)	$ 4.1960	$ 4.1640	$ 4.1320
Ordinary income
Dividends Payable
Total distributions paid (usd per share)	3.3300	3.3112	3.1939
Return of capital
Dividends Payable
Total distributions paid (usd per share)	0.5407	0	0.9194
Capital gains
Dividends Payable
Total distributions paid (usd per share)	$ 0.3253	$ 0.8528	$ 0.0187