Investment in Unconsolidated Joint Venture - Consolidated Balance Sheet (Detail 1) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Cash and cash equivalents	$ 1,300	$ 4,578
Total Assets	120,886	124,084
Total Liabilities	2,185	1,036
Worldwide Plaza [Member]
Schedule of Equity Method Investments [Line Items]
Real estate assets, at cost	849,612	848,231
Less accumulated depreciation and amortization	(326,163)	(317,058)
Total real estate assets, net	523,449	531,173
Cash and cash equivalents	68,194	66,000
Other assets	131,874	125,919
Total Assets	723,517	723,092
Debt	1,322,857	1,253,810
Other liabilities	206,369	260,473
Total Liabilities	1,529,226	1,514,283
Deficit	(805,709)	(791,191)
Total liabilities and deficit	$ 723,517	$ 723,092