Pension Plan and Life Insurance Contract (Tables)

12 Months Ended

Dec. 31, 2019

Defined Benefit Plan Disclosure [Line Items]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

	2019			2018
Benefit obligation at January 1,	$	20,908		$	23,886
Interest cost	338			373
Actuarial (gain) loss	1,506			(886		)
Benefits paid	(1,375		)	(1,450		)
Cumulative translation adjustment	(459		)	(1,015		)
Benefit obligation at December 31,	$	20,918		$	20,908

Schedule of Net Benefit Costs [Table Text Block]

The components of and assumptions used to determine the net periodic benefit cost are as follows:

	December 31,
	2019			2018			2017
Net period benefit cost:
Interest cost	$	338		$	373		$	362
Amortization of net loss	35			92			111
Net periodic benefit cost	$	373		$	465		$	473
Weighted average assumptions
Discount rate (1)	1.71		%	1.64		%	1.49		%
Rate of compensation increase	—		%	—		%	—		%

Schedule of Assumptions Used [Table Text Block]

Assumptions to determine the Company’s benefit obligation are as follows:

	December 31,
	2019		2018		2017
Discount rate (1)	1.03	%	1.71	%	1.64	%
Rate of compensation increase	—	%	—	%	—	%
Measurement Date	12/31/2019		12/31/2018		12/31/2017

Schedule of Expected Benefit Payments [Table Text Block]

The benefits expected to be paid in each of the next five years, and in the aggregate for the five years thereafter are as follows:

2020	$	1,318
2021	1,305
2022	1,288
2023	1,269
2024	1,245
2025 through 2029	5,713

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

The benefit obligation amounts recognized in the Consolidated Balance Sheets are as follows:

	December 31,
	2019		2018
Current liabilities	$	1,318	$	1,349
Noncurrent liabilities	19,600		19,559
Total	$	20,918	$	20,908