Stock-Based Compensation - Roll Forward of Non-Vested Stock Options Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number of Shares
Outstanding, beginning balance (in shares)	2,163,809
Granted (in shares)	1,232,056	845,120	969,720
Vested (in shares)	(1,421,042)
Forfeited (in shares)	(681,984)
Outstanding, ending balance (in shares)	1,292,839	2,163,809
Weighted Average Grant Date Fair Value
Outstanding, beginning balance (in dollars per share)	$ 6.07
Granted (in dollars per share)	18.87
Vested (in dollars per share)	8.17
Forfeited (in dollars per share)	9.58
Outstanding, ending balance (in dollars per share)	$ 13.93	$ 6.07