Equity-Based Compensation - Summary of Activity Related to Restricted Stock and RSUs (Details) - Restricted Stock and RSUs - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Number of Shares
Unvested Balance at the beginning of the year	8,761,224	9,357,999	8,504,190
Granted	4,384,073	3,376,027	3,348,651
Forfeited	(273,698)	(127,606)	(87,615)
Vested	(4,457,469)	(3,845,196)	(2,407,227)
Unvested Balance at the end of the year	8,414,130	8,761,224	9,357,999
Weighted Average Grant Date Fair Value
Unvested Balance at the beginning of the year	$ 37.59	$ 30.15	$ 26.70
Granted	44.59	54.23	37.40
Forfeited	45.22	38.90	30.59
Vested	34.63	31.15	27.10
Unvested Balance at the end of the year	$ 42.19	$ 37.59	$ 30.15