Stock-based Compensation - Restricted Stock Units (RSUs) Activity (Details) - Restricted stock units	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested at December 31, 2015 (in shares) | shares	1,604,722
Granted (in shares) | shares	544,292
Vested (in shares) | shares	(694,168)
Forfeited (in shares) | shares	(121,631)
Non-vested at December 31, 2016 (in shares) | shares	1,333,215
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Non-vested at December 31, 2015 (in dollars per share) | $ / shares	$ 24.61
Granted (in dollars per share) | $ / shares	65.76
Vested (in dollars per share) | $ / shares	22.04
Forfeited (in dollars per share) | $ / shares	40.22
Non-vested at December 31, 2016 (in dollars per share) | $ / shares	$ 41.32