Equity and Temporary Equity - Schedule of Conversions (Details)	9 Months Ended
	Sep. 30, 2025 shares	Sep. 30, 2024 shares
Common OP units \| Common OP units
Conversion of Stock [Line Items]
Preferred Stock, Convertible, Conversion Ratio	1.0000
Conversion of OP units (in shares)	108,720	80,096
Common OP units \| Common Stock
Conversion of Stock [Line Items]
Conversion of OP units (in shares)	108,720	80,096
Series A-1 preferred OP units \| Preferred Stock
Conversion of Stock [Line Items]
Preferred Stock, Convertible, Conversion Ratio	2.4390
Conversion of OP units (in shares)	6,884	24,563
Series A-1 preferred OP units \| Common Stock
Conversion of Stock [Line Items]
Conversion of OP units (in shares)	16,788	59,900
Series C preferred OP units \| Preferred Stock
Conversion of Stock [Line Items]
Preferred Stock, Convertible, Conversion Ratio	1.1100
Conversion of OP units (in shares)	4,309	9,103
Series C preferred OP units \| Common Stock
Conversion of Stock [Line Items]
Conversion of OP units (in shares)	4,782	10,104
Series G preferred OP units \| Preferred Stock
Conversion of Stock [Line Items]
Preferred Stock, Convertible, Conversion Ratio	0.6452
Conversion of OP units (in shares)	0	4,898
Series G preferred OP units \| Common Stock
Conversion of Stock [Line Items]
Conversion of OP units (in shares)	0	3,160
Series H preferred OP units \| Preferred Stock
Conversion of Stock [Line Items]
Preferred Stock, Convertible, Conversion Ratio	0.6098
Conversion of OP units (in shares)	765	9
Series H preferred OP units \| Common Stock
Conversion of Stock [Line Items]
Conversion of OP units (in shares)	465	5
Series J preferred OP units \| Preferred Stock
Conversion of Stock [Line Items]
Preferred Stock, Convertible, Conversion Ratio	0.6061
Conversion of OP units (in shares)	0	2,000
Series J preferred OP units \| Common Stock
Conversion of Stock [Line Items]
Conversion of OP units (in shares)	0	1,212

SUN COMMUNITIES INC 10-Q