Noncontrolling Interests (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) trading_day $ / shares	Dec. 31, 2020 USD ($) $ / shares
Noncontrolling Interest
Par value of common stock (in dollars per share) | $ / shares	$ 0.01	$ 0.01
Number of trading days used to calculate redemption value | trading_day	10
Redemption value of outstanding OP Units not owned by the Company | $	$ 147,259	$ 117,602
The Macerich Partnership, L.P.
Noncontrolling Interest
Ownership interest in operating partnership (as a percent)	96.00%	93.00%
Limited partnership interest of the operating partnership (as a percent)	4.00%	7.00%