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Amount of cost for defined contribution plan.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense.

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Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable.

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Amount of liabilities classified as other.

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Related Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Related Party Transaction [Line Items]
Reimbursement of monthly automobile expenses			$ 1,000
Automobile reimbursement amount			12,162	$ 6,832
Rental income	$ 3,088,340	$ 3,062,588	$ 6,138,644	6,062,640
PEO
Related Party Transaction [Line Items]
Rental income					$ 1,200
PEO \| Global Self Storage, Inc
Related Party Transaction [Line Items]
Percentage ownership by affiliates, directors and employees	12.20%		12.20%
Winco
Related Party Transaction [Line Items]
Aggregate administrative and support function expenses accrued and paid	$ 5,979	6,931	$ 12,080	10,706
Allocated matching expense	30,294	28,872	62,930	57,621
MMC and Winco
Related Party Transaction [Line Items]
Reimbursements payable	34,392		34,392		$ 38,601
MMC
Related Party Transaction [Line Items]
Aggregate compensation benefits accrued expense paid	$ 825,870	$ 769,327	$ 1,705,021	$ 1,543,005