Stockholders' Equity - Summary of the Company's Stock Options Activity (Details) - Stock Options - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of options, Options outstanding, beginning of year (in shares)	6,366
Number of options, Exercised (in shares)	0
Number of options, Options outstanding, end of year (in shares)	6,366
Number of options, Options exercisable, end of period (in shares)	4,774
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Weighted average exercise price, Options outstanding, beginning of year (in dollars per share)	$ 28.58
Weighted average exercise price, Options outstanding, end of period (in dollars per share)	28.58
Weighted average exercise price, Options exercisable, end of period (in dollars per share)	$ 28.58
Weighted average remaining contractual life, Options outstanding, end of period	6 years 4 months 28 days
Weighted average remaining contractual life, Options exercisable, end of period	6 years 4 months 28 days
Aggregate intrinsic value, Options outstanding, end of period	$ 932,216
Aggregate intrinsic value, Options exercisable, end of period	$ 699,162