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Pension Plan (Tables)
6 Months Ended
Jun. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]

 

 

Three months ended June 30

 

 

Six months ended June 30

In thousands

 

2016

 

 

2015

 

 

2016

 

 

2015

Interest cost

$

121

 

$

144

 

$

241

 

$

288

Expected return on plan assets

 

(168)

  

(169)

  

(336)

  

(338)

Amortization of net actuarial loss

 

48

 

 

140

 

 

96

 

 

280

Net periodic pension cost

$

1

 

$

115

 

$

1

 

$

230