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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2021
Equity [Abstract]  
Schedule of Stock by Class
a.Composition of common stock capital:
 
 AuthorizedIssued and outstanding
 Number of shares
 December 31,December 31,
 2021202020212020
Stock of $0.001 par value:
    
Common stock200,000,000 200,000,000 107,509,096 95,456,862 
Share-based Compensation, Stock Options, Activity A summary of employees’ stock options activities during the year ended December 31, 2021 is as follows: 
Year ended
 December 31, 2021
 NumberWeighted
average
exercise
price		Aggregate
intrinsic
value
(in thousands)		Weighted
average
remaining
contractual
life (years)
Options outstanding at the beginning of the year1,022,763 $6.862 $47,417 3.452 
Granted— $— 
Exercised(215,893)$6.128 
Forfeited(3,000)$2.077 
Options outstanding at the end of the period803,870 $7.077 $33,524 2.747 
Options exercisable at the end of the period787,775 $7.106 $32,830 2.638 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range The options outstanding as of December 31, 2021 have been separated into ranges of exercise price as follows: 
Range of exercise price
Options
outstanding
as of
December 31, 2021
Weighted
average
remaining
contractual
life (years)		Weighted
average
exercise
price
Options
exercisable
as of
December 31, 2021
Weighted
average
remaining
contractual
life (years)		Weighted
average
exercise
price of
options
exercisable
$4.157 —5.682224,661 2.959 $4.883 208,566 2.561 $4.808 
$6.503 —8.077433,307 2.559 $7.111 433,307 2.559 $7.111 
 $9.960  120,180 3.142 $9.960 120,180 3.142 $9.960 
 $13.287  25,722 2.222 $13.287 25,722 2.222 $13.287 
   803,870 2.747 $7.077 787,775 2.638 $7.106 
Schedule of Stockholders' Equity Note, Warrants or Rights The Company’s outstanding options granted to consultants for services as of December 31, 2021 were as follows:  
Issuance dateNumber of options outstanding and exercisableExercise price
per share		Exercisable
through
August 20136,000 $7.047 August 2023
March 20144,950 $13.287 March 2024
May 20143,000 $7.337 May 2024
November 20149,300 $7.220 November 2024
February 20163,000 $5.623 February 2026
 26,250 
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity
A summary of restricted stock units and performance stock units for employees, consultants and non-employee directors of the Company for the year ended December 31, 2021 is as follows:
 
 Number of
Shares
Underlying
Outstanding
Restricted Stock
Units and Performance Stock Units		Weighted-
Average
Grant Date
Fair Value
Outstanding as of January 1, 2021
8,388,963 $23.00 
Granted3,542,175 $65.25 
Vested(3,615,077)$20.10 
Forfeited(589,936)$38.10 
Unvested as of December 31, 2021
7,726,125 $42.53 
Share-based Payment Arrangement, Performance Shares, Activity
A summary of restricted stock units and performance stock units for employees, consultants and non-employee directors of the Company for the year ended December 31, 2021 is as follows:
 
 Number of
Shares
Underlying
Outstanding
Restricted Stock
Units and Performance Stock Units		Weighted-
Average
Grant Date
Fair Value
Outstanding as of January 1, 2021
8,388,963 $23.00 
Granted3,542,175 $65.25 
Vested(3,615,077)$20.10 
Forfeited(589,936)$38.10 
Unvested as of December 31, 2021
7,726,125 $42.53 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs The Company recognized stock-based compensation expense in the consolidated statements of operations as follows (in thousands):
 
Year ended
 December 31,
 202120202019
Cost of revenues$8,995 $5,013 $2,561 
Research and development36,033 21,979 13,188 
Sales and marketing39,684 25,578 14,782 
General and administrative25,067 16,015 15,608 
Total$109,779 $68,585 $46,139 

h.Follow-on offering:

On February 16, 2021, the Company completed a registered public offering of 7,961,538 shares of the Company's common stock, which included 1,038,459 additional optional shares, at a price of $65.00 per share, before underwriting discounts and commissions. The common stock offering generated net proceeds to the Company of approximately $500,034, after deducting $17,466 in underwriting discounts and commissions and offering costs, which have been recorded against the proceeds received from the offering.