Segment Reporting - Schedule of Identifiable Assets (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Investment property, net	$ 13,987.5	$ 13,971.0
Cash, cash equivalents and restricted cash	68.7	90.4	$ 184.7	$ 78.2
Marketable securities	110.4	127.3
Inventory of manufactured homes	236.6	202.7
Total Notes and Other Receivables, net	733.3	617.3
Goodwill	1,104.2	1,018.4
Other intangible assets, net	385.4	402.0
Other assets, net	935.3	655.1
Total Assets	17,561.4	17,084.2
MH
Segment Reporting Information [Line Items]
Investment property, net	6,929.7	7,181.7
Cash, cash equivalents and restricted cash	39.0	49.4
Marketable securities	69.7	82.4
Inventory of manufactured homes	208.0	189.1
Total Notes and Other Receivables, net	568.7	475.2
Goodwill	553.2	467.4
Other intangible assets, net	93.5	97.9
Other assets, net	643.9	356.1
Total Assets	9,105.7	8,899.2
RV
Segment Reporting Information [Line Items]
Investment property, net	3,864.1	3,744.3
Cash, cash equivalents and restricted cash	18.5	30.3
Marketable securities	40.7	44.9
Inventory of manufactured homes	28.6	13.6
Total Notes and Other Receivables, net	109.1	96.5
Goodwill	9.5	9.5
Other intangible assets, net	30.1	32.6
Other assets, net	50.8	63.0
Total Assets	4,151.4	4,034.7
Marina
Segment Reporting Information [Line Items]
Investment property, net	3,193.7	3,045.0
Cash, cash equivalents and restricted cash	11.2	10.7
Marketable securities	0.0	0.0
Inventory of manufactured homes	0.0	0.0
Total Notes and Other Receivables, net	55.5	45.6
Goodwill	541.5	541.5
Other intangible assets, net	261.8	271.5
Other assets, net	240.6	236.0
Total Assets	$ 4,304.3	$ 4,150.3