Business Segments (Details Textual)	9 Months Ended
	Sep. 30, 2022 Property ApartmentHome Segment	Dec. 31, 2021 Multi_family_apartment	Sep. 30, 2021 Property
Business Segments (Textual) [Abstract]
Number of reportable segments | Segment	2
Number of owned and managed apartment communities in segments	80
Number of apartment homes in apartment communities | Multi_family_apartment		1,748
Expect to Sell or Lease to Third Party [Member]
Business Segments (Textual) [Abstract]
Number of apartment homes in apartment communities	4
Wholly And Partially Owned Consolidated Properties [Member] | Held For Sale [Member]
Business Segments (Textual) [Abstract]
Number of owned and managed apartment communities in segments	6
Number of apartment homes in apartment communities	1,314
Wholly And Partially Owned Consolidated Properties [Member] | Same Store [Member]
Business Segments (Textual) [Abstract]
Number of owned and managed apartment communities in segments	58
Number of apartment homes in apartment communities | ApartmentHome	20,730
Wholly And Partially Owned Consolidated Properties [Member] | Other Real Estate [Member]
Business Segments (Textual) [Abstract]
Number of owned and managed apartment communities in segments	16
Number of apartment homes in apartment communities | ApartmentHome	4,556
Wholly Owned Consolidated Properties [Member] | Other Real Estate [Member]
Business Segments (Textual) [Abstract]
Number of owned and managed apartment communities in segments	4		5