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Related Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Reimbursement of monthly automobile expenses			$ 1,000
Automobile reimbursement amount			6,832	$ 8,198
Rental income	$ 3,099,499	$ 3,070,871	$ 9,162,139	8,967,371
PEO
Related Party Transaction [Line Items]
Termination of notice period			30 days
Rental income	$ 1,200	1,200	$ 3,600	3,600
PEO | Global Self Storage, Inc
Related Party Transaction [Line Items]
Percentage ownership by affiliates, directors and employees	10.80%		10.80%
Winco
Related Party Transaction [Line Items]
Aggregate administrative and support function expenses accrued and paid	$ 9,158	9,686	$ 19,864	24,750
Allocated matching expense	24,100	25,018	81,721	82,315
MMC and Winco
Related Party Transaction [Line Items]
Reimbursements payable	37,867		37,867		$ 34,973
MMC
Related Party Transaction [Line Items]
Aggregate compensation benefits accrued expense paid	$ 792,472	$ 744,527	$ 2,335,477	$ 2,295,429

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