Mortgage Notes Payable, Net - Schedule of Mortgage Notes Payable, Net (Details) $ in Thousands	Aug. 01, 2024 USD ($)	Apr. 29, 2024	Jun. 30, 2024 USD ($) property	Mar. 31, 2024	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Mortgage notes payable, gross			$ 399,500
Mortgage notes payable, net			$ 396,465		$ 395,702
Mortgages Note Payable
Debt Instrument [Line Items]
Encumbered Properties | property			7
Mortgage notes payable, gross			$ 399,500		399,500
Less: deferred financing costs, net			(3,035)		(3,798)
Mortgage notes payable, net			$ 396,465		395,702
Effective Interest Rate			4.90%
Mortgage note payable — 123 William Street | Mortgages Note Payable
Debt Instrument [Line Items]
Encumbered Properties | property			1
Mortgage notes payable, gross			$ 140,000		140,000
Effective Interest Rate			4.74%
Mortgage note payable — 9 Times Square | Subsequent Event
Debt Instrument [Line Items]
Real estate, property, contracted sale price	$ 63,500
Mortgage note payable — 9 Times Square | Mortgages Note Payable
Debt Instrument [Line Items]
Encumbered Properties | property			1
Mortgage notes payable, gross			$ 49,500		49,500
Effective Interest Rate			8.06%	3.73%
Variable rate		2.60%
1140 Avenue of the Americas | Mortgages Note Payable
Debt Instrument [Line Items]
Encumbered Properties | property			1
Mortgage notes payable, gross			$ 99,000		99,000
Effective Interest Rate			4.18%
Mortgage note payable — 400 E. 67th Street - Laurel Condominium / 200 Riverside Boulevard - ICON Garage | Mortgages Note Payable
Debt Instrument [Line Items]
Encumbered Properties | property			2
Mortgage notes payable, gross			$ 50,000		50,000
Effective Interest Rate			4.59%
Mortgage note payable — 8713 Fifth Avenue | Mortgages Note Payable
Debt Instrument [Line Items]
Encumbered Properties | property			1
Mortgage notes payable, gross			$ 10,000		10,000
Effective Interest Rate			5.05%
Mortgage note payable — 196 Orchard Street | Mortgages Note Payable
Debt Instrument [Line Items]
Encumbered Properties | property			1
Mortgage notes payable, gross			$ 51,000		$ 51,000
Effective Interest Rate			3.91%