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Investments in Real Estate Ventures - Narrative (Detail) $ in Millions	1 Months Ended			3 Months Ended		6 Months Ended
	Mar. 31, 2022 parkingSpace unit ft²	Oct. 31, 2021 ft² unit	Dec. 31, 2019 ft²	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Feb. 29, 2020 USD ($)
Schedule of Equity Method Investments [Line Items]
Proportionate share of net income and distributions, amount \| $				$ 0.0	$ 0.1	$ 0.0	$ 0.0
The Hartford
Schedule of Equity Method Investments [Line Items]
Number of square foot			211,000
Maximum borrowing capacity \| $								$ 87.0
The Hartford \| Related party
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		16,000
Number of units in property \| unit		263
BLVD Forty Four \| Related party
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest				5.00%		5.00%
BLVD Ansel
Schedule of Equity Method Investments [Line Items]
Number of square foot	20,000
Number of units in property \| unit	250
Number of parking spaces \| parkingSpace	611
BLVD Ansel \| Related party
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interest				5.00%		5.00%