Pension (Tables)

3 Months Ended

Mar. 31, 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
	March 31,
	2020			2019
Service cost	$	—		$	192
Interest cost		168			260
Expected return on plan assets		(154	)		(232	)
Amortization of prior service cost		—			(25	)
Amortization of actuarial loss		—			15
Net periodic pension cost	$	14		$	210