Subsequent Events - Additional Information (Detail)									3 Months Ended				6 Months Ended		12 Months Ended	47 Months Ended
	Aug. 13, 2024 USD ($) RepurchaseRequest shares	Aug. 10, 2024	Aug. 08, 2024 USD ($) $ / shares shares	Jul. 24, 2024 USD ($)	Jul. 05, 2024 $ / shares	Jun. 30, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Jun. 26, 2019	Jun. 30, 2024 USD ($) shares	Mar. 31, 2024 USD ($) shares	Jun. 30, 2023 USD ($) shares	Mar. 31, 2023 USD ($) shares	Jun. 30, 2024 USD ($) shares	Jun. 30, 2023 USD ($) shares	Dec. 31, 2023 shares	Aug. 01, 2024 $ / shares	Jul. 22, 2024 USD ($)	Dec. 31, 2022 shares
Subsequent Event [Line Items]
Advisory agreement renewed additional term								1 year
Stock repurchased, shares									711,762		678,605		1,442,797	1,101,813
Stock repurchase | $									$ 15,610,620	$ 16,143,789	$ 17,314,162	$ 11,215,399	$ 31,754,409	$ 28,529,560
Common stock, shares outstanding						13,640,855	14,625,677		13,640,855				13,640,855		14,625,677
Net proceeds from sale of offering | $						$ 344,453,640	$ 366,242,849						$ 6,875,030	$ 33,270,125
Class AX [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding						3,832,340	3,848,941		3,832,340				3,832,340		3,848,941
Common stock, shares													3,824,160		3,840,761
Class TX [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding						26,861	178,873		26,861				26,861		178,873
Common stock, shares													26,861		178,873
Class IX [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding						1,167,185	1,178,536		1,167,185				1,167,185		1,178,536
Common stock, shares													1,167,185		1,178,536
Class T [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding						1,469,365	1,462,448		1,469,365				1,469,365		1,462,448
Common stock, shares													1,469,365		1,462,448
Class S [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding						7,004	7,086		7,004				7,004		7,086
Common stock, shares													7,004		7,086
Class D [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding						611,350	644,697		611,350				611,350		644,697
Common stock, shares													611,350		644,697
Class I [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding						6,534,930	7,313,276		6,534,930				6,534,930		7,313,276
Common stock, shares													6,534,930		7,313,276
Subsequent Event [Member]
Subsequent Event [Line Items]
Advisory agreement renewed additional term		1 year
Common stock, shares outstanding			13,463,973
Net proceeds from sale of offering | $			$ 340,652,773
Distributions declared on an annual basis | $ / shares			$ 1.55		$ 1.55											$ 1.55
Subsequent Event [Member] | Insurance Strategy Funding Corp. LLC Loan Agreement [Member]
Subsequent Event [Line Items]
Loan amount | $				$ 33,500,000
Interest rate				5.80%
Debt instrument maturity date				Aug. 01, 2031
Debt instrument, frequency of periodic interest payment				The new loan bears interest at 5.8% per annum and matures on August 1, 2031.
Subsequent Event [Member] | Keller Property [Member]
Subsequent Event [Line Items]
Operating partnership remaining interest acquired | $																	$ 1,430,000
Subsequent Event [Member] | Class AX [Member]
Subsequent Event [Line Items]
Common stock, shares			3,818,975
Subsequent Event [Member] | Class TX [Member]
Subsequent Event [Line Items]
Common stock, shares			6,013
Subsequent Event [Member] | Class IX [Member]
Subsequent Event [Line Items]
Common stock, shares			1,158,163
Subsequent Event [Member] | Class T [Member]
Subsequent Event [Line Items]
Common stock, shares			1,465,187
Subsequent Event [Member] | Class S [Member]
Subsequent Event [Line Items]
Common stock, shares			7,034
Subsequent Event [Member] | Class D [Member]
Subsequent Event [Line Items]
Common stock, shares			606,656
Subsequent Event [Member] | Class I [Member]
Subsequent Event [Line Items]
Common stock, shares			6,401,945
Common Stock [Member] | Class AX [Member]
Subsequent Event [Line Items]
Stock repurchased, shares									128,276	89,081	(185,899)	105,744
Stock repurchase | $									$ 1,283	$ 891	$ 1,859	$ 1,057
Common stock, shares outstanding						3,832,340	3,848,941		3,832,340	3,849,786	3,848,788	3,899,464	3,832,340	3,848,788	3,848,941			3,864,320
Common stock, shares									85,381	65,246	113,548	120,869
Common Stock [Member] | Class TX [Member]
Subsequent Event [Line Items]
Stock repurchased, shares									2,376	1,045	(8,551)	9,682
Stock repurchase | $									$ 24	$ 10	$ 86	$ 97
Common stock, shares outstanding						26,861	178,873		26,861	113,917	472,743	592,274	26,861	472,743	178,873			719,803
Common stock, shares									(85,459)	(65,389)	(113,661)	(120,959)
Common Stock [Member] | Class IX [Member]
Subsequent Event [Line Items]
Stock repurchased, shares									11,434	14,057	(11,399)	5,798
Stock repurchase | $									$ 114	$ 140	$ 114	$ 58
Common stock, shares outstanding						1,167,185	1,178,536		1,167,185	1,171,486	1,217,269	1,222,518	1,167,185	1,217,269	1,178,536			1,222,180
Common Stock [Member] | Class T [Member]
Subsequent Event [Line Items]
Stock repurchased, shares									37,473	48,716	(42,710)	43,413
Stock repurchase | $									$ 375	$ 488	$ 427	$ 434
Common stock, shares outstanding						1,469,365	1,462,448		1,469,365	1,494,026	1,448,824	1,413,276	1,469,365	1,448,824	1,462,448			1,280,789
Common stock, shares									5,774	72,462	72,838	171,609
Common Stock [Member] | Class S [Member]
Subsequent Event [Line Items]
Stock repurchased, shares										166	(880)
Stock repurchase | $										$ 1	$ 9
Common stock, shares outstanding						7,004	7,086		7,004	6,961	7,014	6,930	7,004	7,014	7,086			6,910
Common stock, shares											938
Common Stock [Member] | Class D [Member]
Subsequent Event [Line Items]
Stock repurchased, shares									11,305	30,936	(14,545)	6,643
Stock repurchase | $									$ 113	$ 309	$ 145	$ 66
Common stock, shares outstanding						611,350	644,697		611,350	617,506	672,160	640,239	611,350	672,160	644,697			531,864
Common stock, shares									2,274	679	43,822	112,705
Common Stock [Member] | Class I [Member]
Subsequent Event [Line Items]
Stock repurchased, shares									520,898	547,033	(414,620)	251,928
Stock repurchase | $									$ 5,209	$ 5,470	$ 4,146	$ 2,519
Common stock, shares outstanding						6,534,930	7,313,276		6,534,930	6,944,256	7,840,877	8,049,813	6,534,930	7,840,877	7,313,276			7,582,500
Common stock, shares									83,745	152,915	178,724	691,739
Common Stock [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Number of eligible repurchase requests | RepurchaseRequest	336
Stock repurchased, shares	276,919
Stock repurchase | $	$ 5,942,201