Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2021

Retirement Benefits [Abstract]

Matching contributions [Table Text Block]

The table below sets forth our contributions for the past three years (in thousands):

	2021		2020		2019
Defined contribution and international retirement plans	$	9,308	$	8,259	$	7,373
Deferred compensation plan	239		160		195