Pension (Tables)

9 Months Ended

Sep. 30, 2020

Compensation And Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The following table summarizes the components of net periodic pension cost under the Dutch Plan (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2020			2019			2020			2019
Service cost	$	—		$	191		$	—		$	572
Interest cost		179			259			514			778
Expected return on plan assets		(164	)		(231	)		(472	)		(692	)
Amortization of prior service cost		—			(25	)		—			(75	)
Amortization of actuarial loss		—			15			—			44
Net periodic pension cost	$	15		$	209		$	43		$	627