Share-Based Payments, Deferred Compensation and Employee Ownership Plans (Tables)

9 Months Ended

Sep. 30, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

Restricted shares and restricted stock units are referred to collectively as restricted stock. The following table summarizes the Company's restricted share and restricted stock unit activity for the nine months ended September 30, 2021 and 2020:

	Nine Months Ended September 30, 2021			Nine Months Ended September 30, 2020
	Nonvested Restricted Class A Common Shares and Class A Common Restricted Stock Units	Weighted-Average Grant Date Fair Value		Nonvested Restricted Class A Common Shares and Class A Common Restricted Stock Units	Weighted-Average Grant Date Fair Value
Beginning balance outstanding	5,450,191	$	17.56	5,364,486	$	16.67
Granted	1,714,646	35.15		2,638,544	17.14
Vested	(1,425,327)	16.36		(1,320,318)	15.20
Canceled	—	—		(87,348)	14.80
Forfeited	(162,218)	22.23		(111,212)	15.55
Ending balance outstanding	5,577,292	$	23.14	6,484,152	$	17.20