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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Investments in Real Estate Ventures - Narrative (Detail) $ in Millions	1 Months Ended		3 Months Ended		9 Months Ended
	Oct. 31, 2021 unit ft²	Dec. 31, 2019 ft²	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Feb. 29, 2020 USD ($)
Schedule of Equity Method Investments [Line Items]
Proceed from sale of investment, percentage of profit			50.00%		50.00%
Proportionate share of net income and distributions, amount \| $			$ 0.0	$ 0.0	$ (0.1)	$ 0.0
The Hartford
Schedule of Equity Method Investments [Line Items]
Number of square foot \| ft²		211,000
Percentage of lease to tenants		76.00%
Maximum borrowing capacity \| $							$ 87.0
The Hartford \| Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest			2.50%		2.50%
BLVD Forty Four
Schedule of Equity Method Investments [Line Items]
Number of square foot \| ft²	16,000
Number of units in property \| unit	263
BLVD Ansel \| Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest			5.00%		5.00%