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Accumulated Other Comprehensive Income (Loss) (Tables)
 9 Months Ended
Sep. 30, 2015
Accumulated Other Comprehensive Income / (Loss) [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
 
Foreign currency translation (a)
 
Defined benefit plans (a)
 
Total
 
(dollars in thousands)
Balance at December 31, 2014
$
17

 
$
—

 
$
17

Net change
(4
)
 
—

 
(4
)
Balance at September 30, 2015
$
13

 
$
—

 
$
13

 
 
 
 
 
 
 
Foreign currency translation (a)
 
Defined benefit plans (a)
 
Total
 
(dollars in thousands)
Balance at December 31, 2013
$
248

 
$
344

 
$
592

Net change
(233
)
 
(87
)
 
(320
)
Balance at September 30, 2014
$
15

 
$
257

 
$
272

(a) During the periods presented, the Company did not have material reclassifications out of other comprehensive income.