Employee benefit obligations (Tables)

12 Months Ended

Dec. 31, 2023

Retirement Benefits [Abstract]

Schedule of Targeted Allocation for Funds

The targeted allocation for these funds is as follows:

Asset Allocation by Category as of December 31, 2023:	Asset allocation (%)
Asset Category:
Debt Securities	33%
Real Estate	25%
Equity Securities	34%
Others	8%
Total	100%

Schedule of Change in Benefit Obligations

The following table sets forth the Swiss Plan’s funded status and amounts recognized in the consolidated financial statements for the year ended December 31, 2023 and 2022:

	December 31,
	2023		2022
Change in Benefit Obligation
Projected benefit obligation at beginning of year	$	29,435	$	29,975
Interest cost	850		62
Company service cost	2,992		2,725
Employee contributions	2,517		1,631
Prior service cost	(768)		484
Benefits paid	6,726		423
Actuarial loss	9,305		(5,865)
Projected benefit obligation at end of year	$	51,057	$	29,435
Change in Plan Assets
Fair value of plan assets at beginning of year	$	25,531	$	25,967
Actual return on plan assets	4,699		(4,937)
Employer contributions	3,776		2,446
Employee contributions	2,518		1,631
Benefits paid	6,726		424
Fair value of plan assets at end of year	$	43,250	$	25,531
Funded Status at End of year
Excess of obligation over assets	$	7,807	$	3,904
Change in Accrued Benefit Liability
Accrued benefit liability at beginning of year	$	(3,904)	$	(4,008)
Company contributions made during year	3,776		2,446
Net periodic benefit cost for year	(3,058)		(2,078)
Net decrease (increase) in accumulated other comprehensive loss	(4,621)		(264)
Accrued benefit liability at end of year	$	(7,807)	$	(3,904)

	December 31,
	2023		2022
Non-current plan assets	$	43,250	$	25,531
Non-current liability	51,057		29,435
Accrued benefit liability at end of year	$	(7,807)	$	(3,904)
Projected Benefit Payments
Projected year 1	$	1,138	$	539
Projected year 2	1,102		744
Projected year 3	1,546		983
Projected year 4	1,577		1,065
Projected year 5	958		578
Projected years 6-10	20,127		16,940

Schedule of Plan Assets Fair Value

	Year ended December 31,
	2023		2022
Net Periodic Benefit Cost
Service cost	$	2,992	$	2,725
Interest cost (income)	850		62
Expected return on plan assets	(1,210)		(701)
Amortization of actuarial (gain) loss	94		117
Amortization of prior service costs	(54)		(99)
Total net periodic benefit cost	$	2,672	$	2,104
Weighted average assumptions:
Discount rate as of December 31	1.40%		2.30%
Expected long-term rate of return on assets	3.00%		3.50%
Rate of compensation increase	1.50%		1.50%
Mortality and disability assumptions   (*)	BVG 2020 GT		BVG 2020 GT

(*) Mortality data used for actuarial calculation.