Organization and Description of Business - Additional Information (Detail) - Operating Partnership [Member] - Wu/Lighthouse Portfolio, LLC [Member] shares in Millions, ft² in Millions		12 Months Ended
	Jan. 17, 2013 Property	Dec. 31, 2021 ft² a Property shares	Dec. 31, 2013
Organization And Description Of Business [Line Items]
Number of commercial properties acquired	25	18
Ownership interest in partnership units (as a percent)	33.29%	64.59%	33.78%
Number of existing properties		7
Number of real estate properties sold		1
Number of properties owned		49
Leasable area owned by the company | ft²		5.9
Area of land in New York, New Jersey, Connecticut, and Delaware | a		391
Number of shares of common stock that can be issued on conversion of interest in limited partnership | shares		2.0
Series B Preferred Stock, Non-Voting [Member]
Organization And Description Of Business [Line Items]
Number of shares of preferred stock that can be issued on conversion of interest in limited partnership | shares		5.4
Due to redemption of certain shares [Member]
Organization And Description Of Business [Line Items]
Ownership interest in partnership units (as a percent)		34.67%