Equity (Tables)

12 Months Ended

Dec. 31, 2023

Stockholders' Equity Note [Abstract]

Schedule of stock option activity

	Number of Options	Weighted Average Exercise Price
Options outstanding as of December 31, 2022	1,619,559	$	27.62
Granted	66,811	13.99
Exercised	(2,898)	3.57
Forfeited	(322,820)	54.20
Options outstanding as of December 31, 2023	1,360,652	$	20.67
Options exercisable as of December 31, 2023	1,013,621	$	22.25

Schedule of Stock Options Outstanding

				Options Outstanding					Options Exercisable
Range of Exercise Prices				Outstanding options at December 31, 2023		Weighted- Average Remaining Contractual Life in Years	Weighted- Average Exercise Price		Exercisable options at December 31, 2023		Weighted-Average Exercise Price
$	3.52	$	19.61	523,052		6.68	$	16.11	176,021		$	16.22
$	19.66	$	22.28	584,275		3.56	20.42		584,275		20.42
$	22.47	$	103.36	253,059		2.75	30.57		253,059		30.57
$	114.03	$	114.11	266		0.42	114.08		266		114.08
				1,360,652		4.61	$	20.67	1,013,621		$	22.25
Aggregate intrinsic value (U.S. $ in thousands)				$	121				$	90

Schedule of Stock Option Assumptions

	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

Schedule of RSUs and PSUs activity

	Number of RSUs and PSUs	Weighted Average Grant Date Fair Value
Unvested RSUs and PSUs outstanding as of December 31, 2022	3,496,099	$	23.98
Granted	2,384,995	13.27
Vested	(1,676,389)	22.96
Forfeited	(362,473)	22.14
Unvested RSUs and PSUs outstanding as of December 31, 2023	3,842,232	$	17.95

Schedule of stock-based compensation expense

	2023		2022		2021
	(U.S. $ in thousands)
Cost of revenues	$	3,701	$	4,082	$	3,093
Research and development, net	7,932		7,113		6,564
Selling, general and administrative	19,981		22,266		21,320
	$	31,614	$	33,461	$	30,977

Schedule of accumulated other comprehensive loss

	December 31, 2023
	Net unrealized gain (loss) on cash flow hedges		Foreign currency translation adjustments		Total
	U.S. $ in thousands
Balance as of January 1, 2023	$	(299)	$	(12,519)	$	(12,818)
Other comprehensive loss before    reclassifications	(1,797)		3,650		1,853
Amounts reclassified from accumulated other comprehensive loss	3,886		—		3,886
Other comprehensive income (loss), net of tax	2,089		3,650		5,739
Balance as of December 31, 2023	$	1,790	$	(8,869)	$	(7,079)

	December 31, 2022
	Net unrealized gain (loss) on cash flow hedges		Foreign currency translation adjustments		Total
	U.S. $ in thousands
Balance as of January 1, 2022	$	1,572	$	(10,343)	$	(8,771)
Other comprehensive loss before    reclassifications	(1,566)		(2,176)		(3,742)
Amounts reclassified from accumulated other comprehensive loss	(305)		—		(305)
Other comprehensive income (loss), net of tax	(1,871)		(2,176)		(4,047)
Balance as of December 31, 2022	$	(299)	$	(12,519)	$	(12,818)

	December 31, 2021
	Net unrealized gain (loss) on cash flow hedges		Foreign currency translation adjustments		Total
	U.S. $ in thousands
Balance as of January 1, 2021	$	(1,673)	$	(7,173)	$	(8,846)
Other comprehensive loss before    reclassifications	3,668		(2,603)		1,065
Amounts reclassified from accumulated other comprehensive loss	(423)		(567)		(990)
Other comprehensive income (loss), net of tax	3,245		(3,170)		75
Balance as of December 31, 2021	$	1,572	$	(10,343)	$	(8,771)