Basis of Presentation and Significant Accounting Policies - Summary of Reconciliation Net Income (Loss) Attributable to Estimated Taxable Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Net loss attributable to Paramount Group, Inc.	$ (46,288)	$ (259,744)	$ (36,403)
Book to tax differences:
Straight-lining of rents and amortization of above and below-market leases, net	(18,266)	6,832	(5,780)
Depreciation and amortization	39,091	39,037	54,892
Stock-based compensation	18,460	19,052	17,607
Our share of real estate impairment losses of unconsolidated joint ventures	33,733	226,230	31,685
Other, net	(13,941)	3,014	20,352
Estimated taxable income	$ 12,789	$ 34,421	$ 82,353