Stock-Based Compensation - Restricted Stock Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restricted stock unit activity
Total restricted stock units outstanding, beginning of period (in shares)	1,863,110	1,504,370	1,760,225
Granted (in shares)	79,288	1,696,000
Vested (in shares)	(28,955)	(916,315)	(11,175)
Forfeited and cancelled (in shares)	(425,937)	(420,945)	(244,680)
Total restricted stock units outstanding, end of period (in shares)	1,487,506	1,863,110	1,504,370
Weighted - Average Grant Date Fair Value
Total restricted stock units outstanding, beginning of period (in dollars per share)	$ 35.04	$ 50.81	$ 52.15
Granted (in dollars per share)	42.41	33.07
Vested (in dollars per share)	43.26	53.82	63.49
Forfeited and cancelled (in dollars per share)	33.62	42.56	59.82
Total restricted stock units outstanding, end of period (in dollars per share)	$ 35.68	$ 35.04	$ 50.81
Long-Term Performance Based Plans
Restricted stock unit activity
Vested (in shares)	0
Restricted stock units
Restricted stock unit activity
Total restricted stock units outstanding, beginning of period (in shares)	1,755,125	1,483,800
Total restricted stock units outstanding, end of period (in shares)	1,330,925	1,755,125	1,483,800
Weighted - Average Grant Date Fair Value
Total restricted stock units outstanding, beginning of period (in dollars per share)	$ 34.89	$ 50.64
Total restricted stock units outstanding, end of period (in dollars per share)	$ 35.31	$ 34.89	$ 50.64