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Pension Plan (Tables)
3 Months Ended
Mar. 31, 2019
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]

 

Three months ended
March 31

In thousands

2019

 

2018

Interest cost

$

125

 

$

113

Expected return on plan assets

 

(172)

   

(203)

Amortization of net actuarial loss

 

65

 

 

56

Net periodic pension expense (benefit)

$

18

 

$

(34)