Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

Employee Benefit Plans [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic benefit cost for our defined benefit plans included the following components for the three and six months ended June 30, 2020 and 2019 (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Service cost	$	856	$	1,074	$	1,526	$	1,661
Interest cost	731		1,010		1,449		1,995
Expected return on plan assets	(662)		(560)		(1,140)		(1,340)
Amortization of actuarial loss	555		37		669		290
Settlement loss	2,100		—		2,100		—
Net periodic benefit cost	$	3,580	$	1,561	$	4,604	$	2,606