Net Income (Loss) Per Share of Class A Common Stock - Anti-Dilutive Securities Excluded from Calculation of Net Income (Loss) Per Share of Class A Common Stock (Details) - Class A Common Stock - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Weighted-Average Unvested RSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the calculation of net income per share	3,576,351	1,754,382	3,368,471	1,646,233
Weighted-Average Participating RSUs
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the calculation of net income per share	461,417	754,174	517,719	772,005
Weighted-Average Partnership Units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the calculation of net income per share	15,031,239	16,061,039	15,268,534	16,091,960