Fair Value Measurements - Summary of Carrying Amounts and Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total assets	[1]	$ 8,340,048	$ 8,775,229
Notes and mortgages payable, net		3,039,149	2,941,524
Revolving credit facility		50,000	20,000
Total liabilities	[1]	3,477,758	3,464,679
Carrying Amount [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash equivalents		53,984	118,561
Total assets		53,984	118,561
Notes and mortgages payable, net		3,039,149	2,941,524
Revolving credit facility		50,000	20,000
Total liabilities		3,089,149	2,961,524
Fair Value [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total assets		53,984	118,561
Notes and mortgages payable, net		3,032,932	2,907,242
Revolving credit facility		50,009	20,723
Total liabilities		3,082,941	2,927,965
Cash equivalents		$ 53,984	$ 118,561

[1] Represents the consolidated assets and liabilities of Paramount Group Operating Partnership LP, a Delaware limited partnership (the “Operating Partnership”). The Operating Partnership is a consolidated variable interest entity (“VIE”), of which we are the sole general partner and own approximately 83.0%. As of September 30, 2016, the assets and liabilities of the Operating Partnership include $1,499,909 and $976,505 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 12, Variable Interest Entities.