Subsequent Events - Additional Information (Detail)					6 Months Ended
	Aug. 08, 2024 USD ($) shares	Aug. 07, 2024 $ / shares shares	Jul. 29, 2024 USD ($)	Oct. 02, 2023 $ / shares	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Aug. 06, 2024 CAD ($)
Subsequent Event [Line Items]
Gross proceeds from issuance of common stock | $					$ 18,882,572	$ 19,855,323
Share Redemption Program [Member]
Subsequent Event [Line Items]
Redemption percentage				93.00%
SmartStop Bridge Loan Agreement | Loans from SmartStop OP, L.P.
Subsequent Event [Line Items]
Line of credit facility, amount borrowed | $			$ 8,000,000
Class A shares, Class T shares, Class W shares, Class Y shares, and Class Z Shares in Primary Offering | Share Redemption Program [Member]
Subsequent Event [Line Items]
Redemption percentage				93.00%	93.00%
Primary offering price | $ / shares				$ 9.3
Subsequent Event
Subsequent Event [Line Items]
Units converted | shares		0
Earnest money deposits | $							$ 660,000
Subsequent Event | SmartStop Bridge Loan Agreement | Loans from SmartStop OP, L.P.
Subsequent Event [Line Items]
Line of credit facility, amount borrowed | $			$ 8,000,000
Subsequent Event | Class A Shares, Class T Shares, Class W Shares, Class Z Shares in Primary Offering [Member]
Subsequent Event [Line Items]
Estimated per share NAV | $ / shares		$ 10
Subsequent Event | Class P Common Stock
Subsequent Event [Line Items]
Common stock issued in connection with offering | shares	11,200,000
Gross proceeds from issuance of common stock | $	$ 106,800,000
Estimated per share NAV | $ / shares		10
Subsequent Event | Class A Common Stock
Subsequent Event [Line Items]
Common stock issued in connection with offering | shares	3,300,000
Gross proceeds from issuance of common stock | $	$ 34,100,000
Estimated per share NAV | $ / shares		$ 10
Units converted | shares		0
Subsequent Event | Class T Common Stock
Subsequent Event [Line Items]
Common stock issued in connection with offering | shares	5,300,000
Gross proceeds from issuance of common stock | $	$ 53,000,000
Estimated per share NAV | $ / shares		$ 10
Subsequent Event | Class W Common Stock
Subsequent Event [Line Items]
Common stock issued in connection with offering | shares	700,000
Gross proceeds from issuance of common stock | $	$ 6,600,000
Estimated per share NAV | $ / shares		10
Subsequent Event | Class Y Common Stock
Subsequent Event [Line Items]
Common stock issued in connection with offering | shares	2,700,000
Gross proceeds from issuance of common stock | $	$ 25,400,000
Estimated per share NAV | $ / shares		10
Subsequent Event | Class Z Common Stock
Subsequent Event [Line Items]
Common stock issued in connection with offering | shares	200,000
Gross proceeds from issuance of common stock | $	$ 1,700,000
Estimated per share NAV | $ / shares		10
Subsequent Event | Class A Shares, Class P Shares, Class T Shares, Class W Shares, Class Y Shares, and Class Z Shares in Primary Offering
Subsequent Event [Line Items]
Estimated per share NAV | $ / shares		10
Subsequent Event | Class Y Shares, and Class Z Shares in Primary Offering
Subsequent Event [Line Items]
Estimated per share NAV | $ / shares		$ 10