Net Income (Loss) Per Share Attributable to Class A Common Shareholders - Schedule of Calculations of Basic and Diluted Net Income (Loss) Per Share (Parenthetical) (Details) - Class A Common Stock - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share Basic [Line Items]
Number of shares of common stock to be issued upon exchange of a partnership unit	1		1
Fully diluted shares of common stock outstanding if all Class A partnership units were to be exchanged for common stock immediately following the reorganization	67,701,355	67,189,931	67,783,254	66,858,916
Restricted Stock and RSUs
Earnings Per Share Basic [Line Items]
Number of antidilutive securities excluded from calculation of diluted income (loss) per share	2,500,362	10,508	1,789,991	14,213