Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Stock-Based Compensation

Schedule of stock option activity

	Stock Option
				Weighted Average
				Remaining
	Number of	Weighted Average		Contractual Life		Aggregate
	Options	Exercise Price		(Years)		Intrinsic Value
Outstanding as of December 31, 2021	12,117	$	10.84	7.53	$	274,684
Options granted	289		29.10
Options exercised	(574)		2.96
Options forfeited	(48)		13.93
Outstanding as of March 31, 2022	11,784	$	11.66	7.53	$	177,919
Options expected to vest as of March 31, 2022	4,595	$	20.50	8.80	$	37,025
Options exercisable as of March 31, 2022	6,884	$	5.04	6.59	$	139,802

Schedule of Black-Scholes-Merton option-pricing model

	2022
Risk - free interest rate (percentage)	2.0
Expected term (years)	6.1
Expected dividend yield (percentage)	—
Expected volatility (percentage)	42.8

Schedule of restricted stock activity

	Restricted Stock Units
	Number of	Weighted Average
	Shares	Grant Date Fair Value
Outstanding as of December 31, 2021	3,250	$	24.20
Granted	379		29.07
Vested	(195)		25.72
Forfeited	(59)		21.51
Outstanding as of March 31, 2022	3,375	$	24.70

Schedule of stock-based compensation expense

	Three Months Ended
	March 31,
(in thousands)	2022		2021
Product development	$	3,366	$	278
Sales, marketing and customer support		3,829		624
General and administrative		3,799		1,636
Total stock-based compensation	$	10,994	$	2,538