Equity (Tables)
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12 Months Ended |
Dec. 31, 2023 |
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| Stockholders' Equity Note [Abstract] |
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| Schedule of stock option activity |
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Number of Options |
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Weighted Average Exercise Price |
| Options outstanding as of December 31, 2022 |
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1,619,559 |
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$ |
27.62 |
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| Granted |
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66,811 |
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13.99 |
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| Exercised |
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(2,898) |
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3.57 |
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| Forfeited |
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(322,820) |
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54.20 |
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| Options outstanding as of December 31, 2023 |
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1,360,652 |
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$ |
20.67 |
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| Options exercisable as of December 31, 2023 |
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1,013,621 |
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$ |
22.25 |
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| Schedule of Stock Options Outstanding |
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Options Outstanding |
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Options Exercisable |
| Range of Exercise Prices |
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Outstanding options at December 31, 2023 |
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Weighted- Average Remaining Contractual Life in Years |
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Weighted- Average Exercise Price |
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Exercisable options at December 31, 2023 |
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Weighted-Average Exercise Price |
| $ |
3.52 |
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$ |
19.61 |
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523,052 |
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6.68 |
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$ |
16.11 |
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176,021 |
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$ |
16.22 |
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| $ |
19.66 |
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$ |
22.28 |
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584,275 |
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3.56 |
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20.42 |
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584,275 |
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20.42 |
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| $ |
22.47 |
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$ |
103.36 |
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253,059 |
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2.75 |
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30.57 |
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253,059 |
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30.57 |
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| $ |
114.03 |
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$ |
114.11 |
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266 |
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0.42 |
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114.08 |
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266 |
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114.08 |
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1,360,652 |
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4.61 |
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$ |
20.67 |
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1,013,621 |
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$ |
22.25 |
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| Aggregate intrinsic value (U.S. $ in thousands) |
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$ |
121 |
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$ |
90 |
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| Schedule of Stock Option Assumptions |
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2023 |
2022 |
2021 |
| Risk-free interest rate |
4.1% |
— |
4.7% |
3.6% |
— |
3.9% |
1.3% |
— |
1.3% |
| Expected option term (years) |
5.5 |
5.5 |
5.1 |
| Expected share price volatility |
61.0% |
— |
61.2% |
60.3% |
— |
61.4% |
58.7% |
— |
58.7% |
| Dividend yield |
— |
— |
— |
| Weighted average grant date fair value |
$9.75 |
$7.42 |
$14.75 |
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| Schedule of RSUs and PSUs activity |
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Number of RSUs and PSUs |
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Weighted Average
Grant Date Fair Value |
| Unvested RSUs and PSUs outstanding as of December 31, 2022 |
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3,496,099 |
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$ |
23.98 |
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| Granted |
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2,384,995 |
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13.27 |
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| Vested |
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(1,676,389) |
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22.96 |
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| Forfeited |
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(362,473) |
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22.14 |
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| Unvested RSUs and PSUs outstanding as of December 31, 2023 |
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3,842,232 |
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$ |
17.95 |
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| Schedule of stock-based compensation expense |
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2023 |
2022 |
2021 |
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(U.S. $ in thousands) |
| Cost of revenues |
$ |
3,701 |
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$ |
4,082 |
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$ |
3,093 |
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| Research and development, net |
7,932 |
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7,113 |
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6,564 |
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| Selling, general and administrative |
19,981 |
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22,266 |
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21,320 |
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$ |
31,614 |
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$ |
33,461 |
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$ |
30,977 |
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| Schedule of accumulated other comprehensive loss |
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December 31, 2023 |
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Net unrealized gain
(loss) on cash flow
hedges |
Foreign currency
translation
adjustments |
Total |
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U.S. $ in thousands |
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| Balance as of January 1, 2023 |
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$ |
(299) |
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$ |
(12,519) |
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$ |
(12,818) |
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Other comprehensive loss before
reclassifications |
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(1,797) |
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3,650 |
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1,853 |
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| Amounts reclassified from accumulated other comprehensive loss |
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3,886 |
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— |
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3,886 |
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| Other comprehensive income (loss), net of tax |
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2,089 |
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3,650 |
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5,739 |
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| Balance as of December 31, 2023 |
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$ |
1,790 |
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$ |
(8,869) |
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$ |
(7,079) |
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December 31, 2022 |
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Net unrealized gain
(loss) on cash flow
hedges |
Foreign currency
translation
adjustments |
Total |
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U.S. $ in thousands |
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| Balance as of January 1, 2022 |
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$ |
1,572 |
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$ |
(10,343) |
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$ |
(8,771) |
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Other comprehensive loss before
reclassifications |
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(1,566) |
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(2,176) |
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(3,742) |
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| Amounts reclassified from accumulated other comprehensive loss |
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(305) |
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— |
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(305) |
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| Other comprehensive income (loss), net of tax |
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(1,871) |
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(2,176) |
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(4,047) |
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| Balance as of December 31, 2022 |
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$ |
(299) |
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$ |
(12,519) |
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$ |
(12,818) |
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December 31, 2021 |
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|
Net unrealized gain
(loss) on cash flow
hedges |
Foreign currency
translation
adjustments |
Total |
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U.S. $ in thousands |
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| Balance as of January 1, 2021 |
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$ |
(1,673) |
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$ |
(7,173) |
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$ |
(8,846) |
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Other comprehensive loss before
reclassifications |
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3,668 |
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(2,603) |
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1,065 |
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| Amounts reclassified from accumulated other comprehensive loss |
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(423) |
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(567) |
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(990) |
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| Other comprehensive income (loss), net of tax |
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3,245 |
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(3,170) |
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75 |
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| Balance as of December 31, 2021 |
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$ |
1,572 |
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$ |
(10,343) |
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$ |
(8,771) |
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