Stock Based Compensation - Summary Of RSU And RSA Activity (Details)	9 Months Ended
	Sep. 30, 2021 $ / shares shares
Time-based RSUs and RSAs
Number of Shares
Balance (in shares)	1,260,097
Granted (in shares)	528,524
Vested (in shares)	(489,752)
Forfeited (in shares)	(145,569)
Balance (in shares)	1,153,300
Weighted-Average Grant Date Fair Value
Balance (in dollars per share) | $ / shares	$ 54.04
Granted (in dollars per share) | $ / shares	82.67
Vested (in dollars per share) | $ / shares	53.03
Forfeited (in dollars per share) | $ / shares	60.50
Balance (in dollars per share) | $ / shares	$ 66.78
Time-Based Restricted Stock Units
Number of Shares
Balance (in shares)	1,230,071
Granted (in shares)	528,524
Vested (in shares)	(471,212)
Forfeited (in shares)	(145,569)
Balance (in shares)	1,141,814
Time-Based Restricted Stock Awards
Number of Shares
Balance (in shares)	30,026
Granted (in shares)	0
Vested (in shares)	(18,540)
Forfeited (in shares)	0
Balance (in shares)	11,486
Performance-based RSUs and RSAs
Number of Shares
Balance (in shares)	183,179
Granted (in shares)	246,349
Vested (in shares)	(19,062)
Forfeited (in shares)	(9,459)
Balance (in shares)	401,007
Weighted-Average Grant Date Fair Value
Balance (in dollars per share) | $ / shares	$ 52.89
Granted (in dollars per share) | $ / shares	67.70
Vested (in dollars per share) | $ / shares	47.61
Forfeited (in dollars per share) | $ / shares	52.86
Balance (in dollars per share) | $ / shares	$ 62.24
Performance-Based Restricted Stock Units
Number of Shares
Balance (in shares)	167,127
Granted (in shares)	246,349
Vested (in shares)	(3,010)
Forfeited (in shares)	(9,459)
Balance (in shares)	401,007
Performance-Based Restricted Stock Awards
Number of Shares
Balance (in shares)	16,052
Granted (in shares)	0
Vested (in shares)	(16,052)
Forfeited (in shares)	0
Balance (in shares)	0