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Debt - SmartStop Bridge Loan - Additional Information (Detail) - SmartStop Bridge Loan Agreement - Loans from SmartStop OP, L.P. - USD ($)
$ in Millions
12 Months Ended
Jan. 01, 2024
Jun. 15, 2023
Dec. 31, 2023
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 15.0  
Commitment fee percentage   1.00%  
Interest Rate     8.38%
Debt instrument, maturity date, description     On December 8, 2023, we exercised the option to extend the maturity date for an additional year, through December 31, 2024.
Secured Overnight Financing Rate      
Line of Credit Facility [Line Items]      
Debt instrument, description of variable rate basis   SOFR plus 3.00%  
Debt instrument variable interest rate   3.00%  
Secured Overnight Financing Rate | Subsequent Event [Member]      
Line of Credit Facility [Line Items]      
Debt instrument, description of variable rate basis SOFR plus 4.00%    
Debt instrument variable interest rate 4.00%