Equity and Redeemable Non-controlling Interest - Narrative (Details) - USD ($)	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Class of Stock [Line Items]
Preferred stock, liquidation preference (in USD per share)	$ 500.00				$ 500.00		$ 500.00
Issuance and redemption costs of redeemed preferred stock	$ (24,000)		$ 0		$ (24,000)	$ 0
Preferred stock, dividend rate							12.50%
Preferred stock, liquidation preference, per share, per annum (in USD per share)							$ 62.50
Dividends	9,200,000		8,600,000		18,200,000	17,200,000
Dividends accrued	2,500,000				2,500,000		$ 2,500,000
Increase (decrease) to carrying value INREIT OP	$ 27,000		$ 18,000		81,000	$ 586,000
Stock repurchased during period (in shares)	279,136	258,624	323,706	401,116
Stock repurchased during period, value	$ 7,826,000	$ 7,363,000	$ 10,177,000	$ 13,025,000
Class E Common Stock
Class of Stock [Line Items]
Stock repurchased during period (in shares)	8,542	15,463	284,496	401,116
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, redemption amount	$ 62,500				$ 62,500
Share Repurchase Plan
Class of Stock [Line Items]
Stock repurchased during period (in shares)	270,675		323,706,000		520,837	724,822,000
Stock repurchased during period, value	$ 7,600,000		$ 10,200,000		$ 14,700,000	$ 23,200,000
Redeemable Non-controlling Interest in INREIT OP
Class of Stock [Line Items]
Distributions payable to noncontrolling interests	18,000				18,000		26,000
Third Parties
Class of Stock [Line Items]
Dividends accrued	$ 600,000				$ 600,000		$ 500,000