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

 

Three months ended
 June 30

 

Six months ended
 June 30

In thousands

2020

 

2019

 

2020

 

2019

Interest cost

$

96

 

$

126

 

$

193

 

$

251

Expected return on plan assets

(204)

(173)

(407)

(345)

Amortization of net actuarial loss

 

71

 

 

66

 

 

141

 

 

131

Net periodic pension (benefit) expense

$

(37)

 

$

19

 

$

(73)

 

$

37