Investment in Unconsolidated Joint Venture - Condensed Income Statement (Detail 2) - Worldwide Plaza [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Schedule of Equity Method Investments [Line Items]
Rental income	$ 35,542	$ 35,319	$ 70,803	$ 70,345
Operating expenses:
Operating expenses	16,105	16,079	32,067	32,572
Depreciation and amortization	5,274	5,250	10,547	10,524
Total operating expenses	21,379	21,329	42,614	43,096
Operating income	14,163	13,990	28,189	27,249
Interest expense	(21,216)	(20,666)	(42,337)	(41,111)
Net loss	$ (7,053)	$ (6,676)	$ (14,148)	$ (13,862)