Earnings Per Share - Summary of Computation of Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Numerator:
Net loss attributable to Paramount Group, Inc. - basic and diluted	$ (9,731)
Denominator:
Denominator for basic loss per share - weighted average shares	212,106,718
Denominator for diluted loss per share - weighted average shares	212,106,718
Loss per share - basic and diluted	$ (0.05)