Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2018

Weighted Average Discount Rate [Line Items]

Projected benefit obligations and plan assets of the pension plans

The table below summarizes the balances of the projected benefit obligation and fair value of the plan assets at December 31, 2018 and 2017 (in thousands):

	December 31,
	2018			2017
Projected benefit obligation	$	50,049		$	53,489
Fair value of plan assets	39,197			43,098
Funded status:	$	(10,852	)	$	(10,391	)

Schedule of Allocation of Plan Assets [Table Text Block]

The following information discloses the fair values of our Pension Plans' assets, by asset category, for the periods indicated (in thousands):

	December 31, 2018								December 31, 2017
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	831	$	—	$	—	$	831	$	538	$	—	$	—	$	538
Mutual funds	15,125		—		—		15,125		16,671		—		—		16,671
Pooled mutual funds	—		23,241		—		23,241		—		25,889		—		25,889
Total	$	15,956	$	23,241	$	—	$	39,197	$	17,209	$	25,889	$	—	$	43,098