Equity and Redeemable Non-controlling Interest - Narrative (Details) - USD ($)	1 Months Ended	11 Months Ended	12 Months Ended			24 Months Ended
	Nov. 30, 2023	Nov. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)			125	125		125
Preferred stock, dividend rate			12.50%	12.50%	12.50%
Preferred stock, liquidation preference (in USD per share)			$ 500.00	$ 500.00	$ 500.00	$ 500.00
Preferred stock, liquidation preference, per share, per annum (in USD per share)			62.50	62.50	62.50	62.50
Preferred stock, redemption price (in dollars per share)			$ 500.00	$ 500.00	$ 500.00	$ 500.00
Redeemable common stock, shares issued (in shares)			13,783,204	13,523,324		13,523,324
Dividends			$ 34,800,000	$ 26,900,000	$ 11,700,000
Dividends accrued			$ 2,500,000	$ 2,400,000		$ 2,400,000
Tax basis of return of capital for federal income tax purposes			100.00%	99.20%	100.00%
Tax basis of ordinary income for federal income tax purposes				0.80%
Adjustment to carrying value			$ 503,000	$ 182,000	$ 0
Stock repurchased during period (in shares)			1,321,563	916,340	2,388,175
Common stock repurchased			$ 40,676,000	$ 25,200,000
Percent of aggregate NAV to be repurchased, per month			2.00%
Percent of aggregate NAV per calendar quarter, to be repurchased			5.00%
Stock repurchase program, shares purchase period			1 year
Stock repurchase program, early purchase deduction			95.00%
Issuance of director awards (in shares)			5,247
Share-based payment arrangement, nonvested award cost recognized amount			$ 64,000
Share-based compensation plan, shares available for issuance (in shares)			184,463	189,710	192,121	189,710
Share Repurchase Plan
Class of Stock [Line Items]
Stock repurchased during period (in shares)			1,307,462	474,907
Common stock repurchased			$ 40,300,000	$ 16,000,000
Noncontrolling Interest, INREIT OP Unitholder
Class of Stock [Line Items]
Distributions payable to noncontrolling interests			$ 26,000	$ 15,000		$ 15,000
Class N Common Stock
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)					8,556,509
Stock repurchased during period (in shares)			0	149,615	2,388,175
Issuance of director awards (in shares)			0		1,422
Class E Common Stock
Class of Stock [Line Items]
Common stock, shares outstanding (in shares)			1,190,589	1,827,018		1,827,018
Common stock, shares issued (in shares)			1,190,589	1,827,018		1,827,018
Stock repurchased during period (in shares)			708,700	474,907	0
Issuance of director awards (in shares)		2,775	5,247	2,411	1,332
share-based payment arrangement before forfeiture (in shares)			$ 98,000	$ 78,000
Class E Common Stock | Restricted Stock
Class of Stock [Line Items]
Issuance of director awards (in shares)	2,472
Third Parties
Class of Stock [Line Items]
Dividends accrued			$ 500,000	$ 300,000		$ 300,000
Massachusetts Mutual Life Insurance Company | Affiliated entity | Redeemable common stock
Class of Stock [Line Items]
Redeemable common stock, shares issued (in shares)					7,372,812
Shares acquired (in shares)				149,615	2,388,175
Massachusetts Mutual Life Insurance Company | Affiliated entity | Class N Common Stock
Class of Stock [Line Items]
Common stock repurchased				$ 4,800,000	$ 70,000,000	$ 74,800,000
Private Placement
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)			125	125	125	125