Investments in Unconsolidated Real Estate Ventures - Summary of Investments in Unconsolidated Real Estate Ventures (Detail) - USD ($)

9 Months Ended

Sep. 30, 2025

Dec. 31, 2024

Schedule Of Equity Method Investments [Line Items]

Carrying Value of Investment

$ 22,545,202

$ 18,207,135

Toronto | Ontario

Schedule Of Equity Method Investments [Line Items]

Date Real Estate Venture Acquired Land

^[1]

April 2021

Real Estate Venture Status

^[1]

June 2025

Carrying Value of Investment

^[1]

$ 4,372,525

3,708,283

Toronto II | Ontario

Schedule Of Equity Method Investments [Line Items]

Date Real Estate Venture Acquired Land

^[1]

December 2021

Real Estate Venture Status

^[1]

April 2025

Carrying Value of Investment

^[1]

$ 5,362,742

5,413,629

Dorval | QUEBEC

Schedule Of Equity Method Investments [Line Items]

Date Real Estate Venture Acquired Land

^[1]

February 2023

Real Estate Venture Status

^[1]

June 2025

Carrying Value of Investment

^[1]

$ 3,315,394

2,569,669

Hamilton | Ontario

Schedule Of Equity Method Investments [Line Items]

Date Real Estate Venture Acquired Land

^[1]

November 2023

Real Estate Venture Status

^[1]

October 2024

Carrying Value of Investment

^[1]

$ 2,259,029

2,459,972

Montreal | QUEBEC

Schedule Of Equity Method Investments [Line Items]

Date Real Estate Venture Acquired Land

January 2024

Real Estate Venture Status

Under development

Carrying Value of Investment

$ 7,235,512

$ 4,055,582

SmartCentres

Schedule Of Equity Method Investments [Line Items]

Equity ownership percentage

50.00%

SmartCentres | Toronto | Ontario

Schedule Of Equity Method Investments [Line Items]

Equity ownership percentage

^[1]

50.00%

SmartCentres | Toronto II | Ontario

Schedule Of Equity Method Investments [Line Items]

Equity ownership percentage

^[1]

50.00%

SmartCentres | Dorval | QUEBEC

Schedule Of Equity Method Investments [Line Items]

Equity ownership percentage

^[1]

50.00%

SmartCentres | Hamilton | Ontario

Schedule Of Equity Method Investments [Line Items]

Equity ownership percentage

^[1]

50.00%

SmartCentres | Montreal | QUEBEC

Schedule Of Equity Method Investments [Line Items]

Equity ownership percentage

50.00%

[1]	As of September 30, 2025, these four JV Properties were encumbered by first mortgages pursuant to the SmartCentres Financing (defined below).

Strategic Storage Trust VI, Inc. 10-Q