Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Real property	$ 526.2	$ 488.1	$ 967.6	$ 875.9
Home sales	122.6	142.7	208.9	207.4
Service, retail, dining and entertainment	190.9	167.6	293.5	248.8
Interest	14.0	7.3	25.4	14.1
Brokerage commissions and other, net	9.8	8.6	19.3	16.6
Total Revenues	863.5	814.3	1,514.7	1,362.8
Expenses
Property operating and maintenance	178.6	160.4	335.2	284.5
Real estate tax	30.0	27.7	60.1	53.8
Home costs and selling	81.2	92.9	144.4	138.8
Service, retail, dining and entertainment	171.7	142.7	271.7	218.4
General and administrative	62.3	62.2	126.2	117.9
Catastrophic event-related charges, net	0.1	0.1	0.9	0.1
Business combinations	0.2	15.0	3.0	15.5
Depreciation and amortization	164.1	150.1	319.7	298.0
Asset impairments	6.5	0.1	8.9	0.7
Loss on extinguishment of debt	0.0	0.1	0.0	0.4
Interest	79.2	55.3	155.8	100.5
Interest on mandatorily redeemable preferred OP units / equity	0.9	1.1	1.9	2.1
Total Expenses	774.6	707.7	1,427.8	1,230.7
Income Before Other Items	88.9	106.6	86.9	132.1
Gain / (loss) on remeasurement of marketable securities	5.8	(32.3)	(14.1)	(66.8)
Gain on foreign currency exchanges	2.7	9.0	0.0	6.8
Gain / (loss) on dispositions of properties	(0.6)	(0.1)	(2.2)	13.3
Other income / (expense), net	(0.8)	0.4	(1.8)	(0.2)
Gain / (loss) on dispositions of properties	(0.1)	0.0	(1.8)	0.2
Income / (loss) from nonconsolidated affiliates	(0.7)	0.9	(0.9)	1.8
Gain on remeasurement of investment in nonconsolidated affiliates	0.0	0.4	(4.5)	0.5
Current tax expense	(5.4)	(3.9)	(9.3)	(5.2)
Deferred tax benefit	7.7	0.3	12.3	0.3
Net Income	97.5	81.3	64.6	82.8
Less: Preferred return to preferred OP units / equity interests	3.3	3.1	5.7	6.1
Less: Income / (loss) attributable to noncontrolling interests	4.4	4.2	(0.8)	2.0
Net Income Attributable to SUI Common Shareholders	$ 89.8	$ 74.0	$ 59.7	$ 74.7
Weighted average common shares outstanding:
Weighted average common shares outstanding - basic (in shares)	123.4	120.0	123.4	117.6
Diluted weighted average common shares outstanding - diluted (in shares)	123.4	120.0	123.4	120.4
Earnings per share:
Basic earning per share (in dollars per share)	$ 0.72	$ 0.61	$ 0.48	$ 0.63
Diluted earning per share (in dollars per share)	$ 0.72	$ 0.61	$ 0.48	$ 0.63