Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Summary of RSU Activity

	Number of RSUs			Weighted-Average Grant Date Fair Value
Outstanding as of December 31, 2021		3,683		$	10.95
Granted		1,814			15.07
Vested and delivered		(1,433	)		10.28
Forfeited		(61	)		12.69
Outstanding as of March 31, 2022 (1)		4,003			13.03

(1)Included in “Outstanding as of March 31, 2022” are 63 RSUs that were vested, but not yet delivered.

Summary of PSU Activity

PSU activity for the three months ended March 31, 2022 is as follows (in thousands, except for weighted-average grant date fair value):

	Number of PSUs			Weighted-Average Grant Date Fair Value
Outstanding as of December 31, 2021		142		$	23.98
Granted		275			15.07
Vested and delivered		(142	)		23.98
Forfeited		—			—
Outstanding as of March 31, 2022		275			15.07

Summary of Stock Option Activity

Stock option activity for the three months ended March 31, 2022 is as follows (in thousands, except for weighted-average grant date fair value and weighted-average remaining contractual term):

	Number of Options		Weighted-Average Grant Date Fair Value		Weighted-Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding as of December 31, 2021		804	$	5.27		8.58	$	5,754
Granted		263		9.39		—		—
Vested and delivered		—		—		—		—
Forfeited		—		—		—		—
Outstanding as of March 31, 2022		1,067		6.28		8.73		4,634
Exercisable as of March 31, 2022		—		—		—		—

Summary of Fair Value of Stock Options Granted are Estimated Using Black Scholes Option Pricing Model

The fair value of the stock options granted during the three months ended March 31, 2022 and March 31, 2021 are estimated on the grant date using the Black-Scholes option pricing model, using the following assumptions:

	2022			2021
Risk-free interest rate		2.21	%		1.15	%
Weighted-average volatility		65.22	%		69.00	%
Dividend yield		0	%		0	%
Expected years until exercise		6.5			6.5