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