Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Summary of Activity Related to RSUs

The following table summarizes activity related to RSUs for the years ended December 31, 2021, 2020 and 2019.

	Restricted Stock Units
	2021					2020					2019
				Weighted					Weighted					Weighted
				Average					Average					Average
	Number of			Grant Date		Number of			Grant Date		Number of			Grant Date
	Shares			Fair Value		Shares			Fair Value		Shares			Fair Value
Unvested Balance at January 1,		8,742,695		$	41.45		8,414,130		$	42.19		8,761,224		$	37.59
Granted		3,875,588			54.84		4,456,157			37.58		4,384,073			44.59
Forfeited		(432,846	)		47.31		(149,592	)		40.73		(273,698	)		45.22
Vested		(4,117,317	)		42.56		(3,978,000	)		39.01		(4,457,469	)		34.63
Unvested Balance at December 31,		8,068,120		$	46.36		8,742,695		$	41.45		8,414,130		$	42.19

Schedule of Assumptions Used to Estimate the Fair Value of Stock Option Using the Black-Scholes Valuation model

The Company estimated the fair value of stock option awards at grant using the Black‑Scholes valuation model with the following assumptions:

	Assumptions
Expected life (in years)		6
Weighted-average risk free interest rate		1.91	%
Expected volatility		35	%
Dividend yield		2.72	%
Weighted-average fair value at grant date	$	6.70

Summary of Activity Related to Stock Options

The following table summarizes activity related to stock options for the years ended December 31, 2020 and 2019.

	Stock Options Outstanding
	2020					2019
				Weighted					Weighted
				Average					Average
	Number			Exercise Price		Number			Exercise Price
	Outstanding			Per Share		Outstanding			Per Share
Outstanding at January 1,		728,534		$	15.95		2,017,067		$	15.95
Exercises		(728,534	)		15.95		(1,285,533	)		15.95
Forfeitures or expirations		—			—		(3,000	)		15.95
Outstanding at December 31,		—		$	—		728,534		$	15.95