Derivative Instruments - Summary of Derivative Financial Instruments (Detail)	9 Months Ended
	Sep. 30, 2023 USD ($)
Bank of Montreal Loan
Derivative [Line Items]
Notional amount	$ 21,625,000	[1]
Strike	4.47%	[1]
Effective Date	May 04, 2023	[1]
Maturity Date	May 04, 2026	[1]
Ontario Loan
Derivative [Line Items]
Notional amount	$ 127,200,000	[2]
Strike	4.73%	[2]
Effective Date	Jun. 15, 2023	[2]
Maturity Date	Jun. 15, 2026	[2]
CDOR
Derivative [Line Items]
Notional amount	$ 25,000,000	[1]
Strike	3.79%	[1]
Effective Date	Jan. 31, 2023	[1]
Maturity Date	Feb. 02, 2026	[1]
CDOR | Burlington Loan
Derivative [Line Items]
Notional amount	$ 15,840,000	[1]
Strike	4.02%	[1]
Effective Date	Sep. 27, 2022	[1]
Maturity Date	Sep. 20, 2025	[1]
CDOR | Cambridge Loan
Derivative [Line Items]
Notional amount	$ 15,095,000	[1]
Strike	3.83%	[1]
Effective Date	Dec. 20, 2022	[1]
Maturity Date	Dec. 22, 2025	[1]
SOFR | Huntington Credit Facility I
Derivative [Line Items]
Notional amount	$ 38,000,000	[3]
Strike	4.01%	[3]
Effective Date	Apr. 12, 2023	[3]
Maturity Date	Nov. 28, 2025	[3]
SOFR | Huntington Credit Facility II
Derivative [Line Items]
Notional amount	$ 22,000,000	[3]
Strike	4.01%	[3]
Effective Date	Apr. 12, 2023	[3]
Maturity Date	Nov. 28, 2025	[3]
SOFR Cap | Huntington Credit Facility I
Derivative [Line Items]
Notional amount	$ 47,574,000	[4]
Strike	2.60%	[4]
Effective Date	Apr. 13, 2023	[4]
Maturity Date	Sep. 28, 2023	[4]
SOFR Cap | Huntington Credit Facility II
Derivative [Line Items]
Notional amount	$ 47,574,000	[5]
Strike	1.10%	[5]
Effective Date	Sep. 28, 2023	[5]
Maturity Date	Nov. 28, 2025	[5]

[1] Notional amount is denominated in CAD and has been designated as a cash flow hedge.

[2] Notional amount is denominated in CAD and we have elected not to apply hedge accounting.

[3] Notional amount is denominated in USD and has been designated as a cash flow hedge.

[4] Notional amount was denominated in USD and was designated as a cash flow hedge. We terminated the cap on September 28, 2023.

[5] Notional amount is denominated in USD and we have elected not to apply hedge accounting.