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Restructuring and Other Exit Cots (Narratives) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Restructuring Cost and Reserve [Line Items]        
Restructuring charges (credits) $ 54 $ 115 $ 111 $ 252
Restructuring Plan December 2013 [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges (credits)       370
Restructuring number of positions eliminated, percent 13.00%   13.00%  
Employee Severance [Member] | Restructuring Plan December 2013 [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges (credits)       195
Other Costs [Member] | Restructuring Plan December 2013 [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges (credits)       $ 175