Variable Interest Entities ("VIEs") - Summary of Assets and Liabilities of Consolidated Variable Interest Entities (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Variable Interest Entity [Line Items]
Real estate, net		$ 7,863,171	$ 7,530,932
Preferred equity investments		35,763	55,051
Accounts and other receivables		13,822	15,251
Deferred rent receivable		209,226	163,695
Deferred charges, net		88,846	71,184
Intangible assets, net		373,053	412,225
Other assets		40,752	22,829
Total assets	[1]	8,924,008	8,867,168
Notes and mortgages payable, net		3,583,100	3,408,179
Accounts payable and other accrued expenses		97,679	103,896
Intangible liabilities, net		138,563	153,018
Other liabilities		54,029	76,959
Total liabilities	[1]	3,881,852	3,981,221
Variable Interest Entities [Member]
Variable Interest Entity [Line Items]
Real estate, net		1,733,361	1,336,810
Cash and restricted cash		60,725	17,054
Investments in unconsolidated joint venture		16,077
Preferred equity investments		35,763	55,051
Accounts and other receivables		2,208	5,966
Deferred rent receivable		42,533	32,103
Deferred charges, net		7,569	695
Intangible assets, net		71,316	52,139
Other assets		597	14,474
Total assets		1,970,149	1,514,292
Notes and mortgages payable, net		1,196,348	872,960
Accounts payable and other accrued expenses		26,095	21,077
Intangible liabilities, net		50,289	48,654
Other liabilities		175	27,782
Total liabilities		$ 1,272,907	$ 970,473

[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 90.6% as of September 30, 2017. The assets and liabilities of the Operating Partnership, as of September 30, 2017, include $1,970,149 and $1,272,907 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 13, Variable Interest Entities.