Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Share-based Payment Arrangement, Expensed and Capitalized, Amount

The following are the stock-based compensation expense incurred for the Service-Based and Performance-Based RSUs, net of forfeitures, and accrued compensation (in thousands). There were no income tax benefits recognized on the share-based compensation expense for both periods.

	Three Months Ended March 31,
	2022		2021
Cost of sales - services	$	1,006	$	625
Sales and marketing	1,669		1,547
Research and development	1,312		461
General and administrative	10,311		11,037
Total stock-based compensation expense	$	14,298	$	13,670

Schedule of Nonvested Restricted Stock Units Activity

A summary of the awards of Service-Based RSUs that vest upon the completion of a service requirement is presented below:

	Number of Shares	Weighted- Average Grant Date Fair Value (per share)		Weighted- Average Contractual Life (years)	Aggregate Intrinsic Value
					(in thousands)
For the Three Months Ended March 31, 2022
Beginning balance - unvested	3,030,608	$	34.94	1.3	$	46,700
Granted	3,438,602	10.19		—	—
Vested	(1,328,876)	33.38		—	—
Forfeited	(81,259)	35.83		—	—
Ending balance - unvested	5,059,075	$	18.38	1.1	$	50,043
For the Three Months Ended March 31, 2021
Beginning balance - unvested	59,521	$	0.18	2.4	$	2,000
Granted	2,674,863	36.56		—	—
Vested	—	—		—	—
Forfeited	(5,900)	36.63		—	—
Ending balance - unvested	2,728,484	$	35.76	1.9	$	103,500

A summary of the awards of Performance-Based RSUs that vest upon the attainment of certain price targets of the Company’s common stock is presented below:

	Number of Shares	Weighted- Average Grant Date Fair Value (per share)		Weighted- Average Contractual Life (years)	Aggregate Intrinsic Value
					(in thousands)
For the Three Months Ended March 31, 2022
Beginning balance - unvested	492,727	$	30.07	2.2	$	7,600
Granted	—	—		—	—
Vested	—	—		—	—
Forfeited	(52,941)	30.84		—	—
Ending balance	439,786	$	29.97	1.8	$	4,385
For the Three Months Ended March 31, 2021
Beginning balance	—	$	—	—	—
Granted	438,403	30.84		—	—
Vested	—	—		—	—
Forfeited	—	—		—	—
Ending balance - unvested	438,403	$	30.84	0.2	$	16,600