Summary of Significant Accounting Policies - Additional Information (Detail)	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 31, 2023 USD ($)	Jul. 31, 2023 USD ($)	Sep. 30, 2023 USD ($) Contract	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Segment Contract	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	May 01, 2021 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Business combination, aggregate fair to real estate facilities								$ 16,000,000
Business combination, aggregate fair value to intangible assets								300,000
Business combination, aggregate fair value to real estate facilities								3,700,000
Business combination, aggregate fair value of secured debt								14,200,000
Business combination, aggregate fair value to other current liabilities								1,300,000
Business combination, aggregate fair value to non controlling interest								$ 4,600,000
Number of contracts deemed to be in VIEs | Contract			0		0
Payments to acquire intangible assets					$ 4,500,000	$ 3,300,000
Asset acquisition, capitalized transaction related costs					9,200,000	2,800,000
Business acquisition, transaction costs			$ 300,000	$ 300,000	1,400,000	1,100,000
Impairment losses recognized					0	0
Advertising costs			600,000	200,000	$ 1,700,000	400,000
Estimated average rental period					18 months
Gross amounts of lease intangibles			9,800,000		$ 9,800,000		$ 5,500,000
Accumulated amortization of lease intangibles			5,600,000		5,600,000		2,400,000
Debt issuance cost expense			400,000	200,000	1,200,000	800,000
Total estimated future amortization expense of intangible assets, year 2023			1,200,000		1,200,000
Total estimated future amortization expense of intangible assets, year 2024			3,100,000		3,100,000
Accumulated amortization of debt issuance costs			600,000		$ 600,000		700,000
Maximum period for reimbursement of offering cost					60 days
Maximum offering cost rate					15.00%
Preferred units and unpaid preferred distributions					$ 15,000,000
Minimum percentage of ordinary taxable income to be distributed to stockholders					90.00%
Allowance for doubtful accounts			40,000		$ 40,000		50,000
Uncertain tax positions			0		0		0
Income tax penalties and interest expense					$ 0		0
Open tax year					2021
Number of reportable segments | Segment					1
Assets			554,839,964		$ 554,839,964		279,744,919
Revenues			6,288,476	2,641,771	14,742,233	5,467,849
CA | Self Storage
Summary Of Significant Accounting Policies [Line Items]
Assets			299,000,000		299,000,000		$ 54,600,000
Revenues					$ 5,500,000	100,000
Geographic Concentration Risk | Rental Income | AZ
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage					17.00%
Geographic Concentration Risk | Rental Income | FL
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage					13.00%
Geographic Concentration Risk | Rental Income | CA
Summary Of Significant Accounting Policies [Line Items]
Concentration risk percentage					47.00%
Distribution
Summary Of Significant Accounting Policies [Line Items]
Redemption total			$ 400,000	$ 0	$ 400,000	$ 0
Redemption fulfilled		$ 200,000
Distribution | Accounts Payable and Accrued Liabilities
Summary Of Significant Accounting Policies [Line Items]
Redemption payable					$ 200,000
Private Offering Dealer Manager Agreement
Summary Of Significant Accounting Policies [Line Items]
Maximum sale commission fees percentage of proceed from private offering					6.00%
Maximum dealer manager commission fees percentage of proceed from private offering					3.00%
Underwriting compensation					10.00%
Maximum percentage other non-accountable expenses					3.00%
Class W Common Stock
Summary Of Significant Accounting Policies [Line Items]
Percentage of offering cost without reimbursement					1.00%
Class W Common Stock | Dealer Manager
Summary Of Significant Accounting Policies [Line Items]
Maximum sale commission fees percentage of proceed from Primary Offering					1.50%
Class W Common Stock | Private Offering Dealer Manager Agreement
Summary Of Significant Accounting Policies [Line Items]
Percentage of gross proceeds from sale of shares					10.00%
Maximum dealer manager servicing fee percentage of proceeds from Primary Offering					9.00%
Class W Common Stock | Dealer Manager Servicing Fees
Summary Of Significant Accounting Policies [Line Items]
Monthly servicing fee accrual description					accrues daily in an amount equal to 1/365th of 0.5% of the purchase price per share
Class A Common Stock | Dealer Manager
Summary Of Significant Accounting Policies [Line Items]
Maximum sale commission fees percentage of proceed from Primary Offering					6.00%
Maximum dealer manager commission fee percentage of proceeds from Primary Offering					3.00%
Class A Common Stock | Private Offering Dealer Manager Agreement
Summary Of Significant Accounting Policies [Line Items]
Percentage of gross proceeds from sale of shares					10.00%
Class T Common Stock | Dealer Manager
Summary Of Significant Accounting Policies [Line Items]
Maximum sale commission fees percentage of proceed from Primary Offering					3.00%
Maximum dealer manager commission fee percentage of proceeds from Primary Offering					3.00%
Class T Common Stock | Private Offering Dealer Manager Agreement
Summary Of Significant Accounting Policies [Line Items]
Percentage of gross proceeds from sale of shares					10.00%
Class T Common Stock | Stockholder Servicing Fees
Summary Of Significant Accounting Policies [Line Items]
Monthly servicing fee accrual description					accrues daily in an amount equal to 1/365th of 1% of the purchase price per share
Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life					3 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life					5 years
Subsequent Event | Distribution
Summary Of Significant Accounting Policies [Line Items]
Redemption fulfilled	$ 200,000