Organization and Basis of Presentation and Consolidations (Details) - ft²	Sep. 30, 2022	Aug. 27, 2022	Jun. 13, 2022	Sep. 30, 2021
Hampton Inn Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Ownership percentage by noncontrolling owners				22.00%
Hanover Square Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Percentage by parent	84.00%
Ownership percentage by noncontrolling owners	16.00%			16.00%
Parkway Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Percentage by parent	82.00%
Ownership percentage by noncontrolling owners	18.00%
Greenbrier Business Center Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	89,280	89,290
Lancer Center Shopping Center
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	181,590
Franklin Square Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	134,239
Hanover Square Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	73,440
Hanover Square Property | Hanover Square Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Percentage by parent	84.00%
Ownership percentage by noncontrolling owners	16.00%
Ashley Plaza Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	164,012
Brookfield Center Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	64,880
Parkway Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	64,109
Parkway Property | Parkway Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Percentage by parent	82.00%
Ownership percentage by noncontrolling owners	18.00%
Salisbury Marketplace Property
Organization And Basis Of Presentation And Consolidation [Line Items]
Area of building	79,732		79,732