Stock-Based Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Summary of Stock Option Activity

A summary of the stock option activity is as follows:

	Options	Weighted Average Exercise Price	Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value (in thousands)
Outstanding, December 31, 2021	3,194,738	$15.65	6.45	$	2,236
Granted	999,877	$9.22
Exercised	(20,750)	$4.69
Cancelled	(56,889)	$16.61
Outstanding, March 31, 2022	4,116,976	$14.13	6.99	$	1,144
Exercisable, March 31, 2022	2,085,998	$14.78	4.87	$	1,144

Schedule of Weighted-Average Assumptions for Options Granted

The Company used the following weighted-average assumptions for options granted during the three months ended March 31, 2022:

Expected term (in years)	6.12
Expected volatility	60.74	%
Risk free rate	2.15	%
Expected dividends	—	%

Summary of Stock Unit Activity

A summary of the restricted and performance stock unit activity is as follows:

	Outstanding Stock Units
	Stock Units	Weighted-Average Fair Value at Date of Grant per Share		Weighted Average Remaining Vesting Life	Aggregate Intrinsic Value (in thousands)
Unvested, December 31, 2021	1,730,765	$	18.45	1.51	$	19,633
Granted	1,766,609	$	8.27
Released	(215,287)	$	13.63
Forfeited	(102,153)	$	17.35
Unvested, March 31, 2022	3,179,934	$	13.15	2.23	$	25,249