Basis of Presentation and Significant Accounting Policies (Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Contingency [Line Items]
Deferred tax assets, net	$ 3,385	$ 6,142
Deferred tax liabilities	88,153	84,877
Income tax expense	$ 13,509	$ 22,729	$ 29,222
Effective income tax reconciliation (as a percent)	1.40%	53.00%	47.00%
Estimated taxable income net	$ 141,029	$ 145,630	$ 102,903
Net basis difference of assets and liabilities between tax basis and GAAP basis	1,600,000
220 Central Park South
Income Tax Contingency [Line Items]
Income tax expense	4,051
The Farley Building
Income Tax Contingency [Line Items]
Income tax expense	13,176	14,353	11,722
220 Central Park South
Income Tax Contingency [Line Items]
Income tax expense		$ 2,106	$ 2,168
UNITED STATES
Income Tax Contingency [Line Items]
Net operating loss carryforwards	193,000
Net operating loss carryforwards, valuation allowance	184,000
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Net operating loss carryforwards	232,000
Net operating loss carryforwards, valuation allowance	$ 232,000
Ordinary Income
Income Tax Contingency [Line Items]
Taxable income distributed (as a percent)	100.00%	100.00%	100.00%
Ordinary Income Under Section 199A
Income Tax Contingency [Line Items]
Taxable income distributed (as a percent)	40.60%
Long-Term Capital Gain
Income Tax Contingency [Line Items]
Taxable income distributed (as a percent)	45.90%
Qualified Dividend Income
Income Tax Contingency [Line Items]
Taxable income distributed (as a percent)	13.50%