Real Estate Acquisitions, Pro Forma (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Revenue	$ 2,329,947	$ 1,444,998
Net income	$ 390,945	$ 138,075
Business Acquisition, Pro Forma Earnings Per Share, Basic	$ 3.47	$ 1.42
Net income attributable to Sun Communities, Inc. shareholders - diluted (in dollars per share)	$ 3.40	$ 1.42