Debt - Summary of Secured Debt (Parenthetical) (Detail) - Property	Jun. 30, 2023	Dec. 31, 2022
First National Loan | SOFR
Line of Credit Facility [Line Items]
Interest rate swap rate	3.39%
First National Loan | CDOR | Burlington
Line of Credit Facility [Line Items]
Interest rate swap rate	4.02%	4.02%
First National Loan | CDOR | Cambridge
Line of Credit Facility [Line Items]
Interest rate swap rate	3.83%	3.83%
First National Loan | CDOR | North York
Line of Credit Facility [Line Items]
Interest rate swap rate	3.79%	3.79%
First National Loan | CDOR | Vancouver
Line of Credit Facility [Line Items]
Interest rate swap rate	4.47%
First National Loan | CDOR | Ontario Portfolio
Line of Credit Facility [Line Items]
Interest rate swap rate	4.73%
Huntington Credit Facility
Line of Credit Facility [Line Items]
Interest rate swap rate	7.75%
Huntington Credit Facility | SOFR
Line of Credit Facility [Line Items]
Number of properties encumbered in loan	12