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Pension Plan (Tables)
9 Months Ended
Sep. 30, 2020
Pension Plan (Tables) [Line Items]  
Schedule of Net Benefit Costs [Table Text Block]

 

Three months ended
 September 30

 

Nine months ended
 September 30

In thousands

2020

 

2019

 

2020

 

2019

Interest cost

$

96

 

$

125

 

$

289

 

$

376

Expected return on plan assets

(203)

(172)

(610)

(517)

Amortization of net actuarial loss

 

70

 

 

65

 

 

211

 

 

196

Net periodic pension (benefit) expense

$

(37)

 

$

18

 

$

(110)

 

$

55