Investments in Unconsolidated Entities - Schedule of Equity Method Investments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) option building retail_property	Dec. 31, 2022 USD ($) building	Dec. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items]
Carrying Amount	$ 121,319	$ 127,360
INREIT’s Share of Unconsolidated Entities' Income (Loss)	$ 1,908	$ 8,367	$ 3,148
Number of properties owned | retail_property	8
Vida JV LLC
Schedule of Equity Method Investments [Line Items]
Number of buildings owned | building	20	20
Vida JV LLC | Invesco JV
Schedule of Equity Method Investments [Line Items]
Ownership percentage	85.00%	85.00%
ITP Investments LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	85.00%
PT Co-GP Fund | ITP Investments LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage	90.00%
Vida JV LLC
Schedule of Equity Method Investments [Line Items]
Ownership Percentage	42.50%
Carrying Amount	$ 72,234	$ 79,478
INREIT’s Share of Unconsolidated Entities' Income (Loss)	(3,165)	4,591	920
San Simeon Preferred Equity
Schedule of Equity Method Investments [Line Items]
Carrying Amount	27,488	25,516
INREIT’s Share of Unconsolidated Entities' Income (Loss)	$ 3,027	2,603	1,996
Number of options to extend | option	2
Period for redemption extension	1 year
Number of remaining options to extend | option	1
Investment yield, annual increase during extensions	7.25%
Preferred accrued return	4.00%
PTCR Holdco, LLC
Schedule of Equity Method Investments [Line Items]
Carrying Amount	$ 8,484	8,129
INREIT’s Share of Unconsolidated Entities' Income (Loss)	1,068	1,083	189
Retail GP Fund
Schedule of Equity Method Investments [Line Items]
Carrying Amount	13,150	14,237
INREIT’s Share of Unconsolidated Entities' Income (Loss)	$ 1,422	90	43
Retail GP Fund | Minimum
Schedule of Equity Method Investments [Line Items]
Ownership Percentage	4.50%
Retail GP Fund | Maximum
Schedule of Equity Method Investments [Line Items]
Ownership Percentage	13.50%
Homestead Communities, LLC
Schedule of Equity Method Investments [Line Items]
Ownership Percentage	50.00%
Carrying Amount	$ (37)	0
INREIT’s Share of Unconsolidated Entities' Income (Loss)	$ (444)	$ 0	$ 0