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Employee Benefit Plans (Narratives) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Employee Benefit Plans Disclosure [Abstract]          
Expected employer contribution in current remaining fiscal year     $ 400    
Fair Value Impairment Of Pension Assets   $ 600      
Defined Benefit Plan Payments In Current Fiscal Year $ 200 200 400 $ 400  
Defined Benefit Plans Liabilities Noncurrent 4,600   4,600   $ 4,400
Unrealized losses on pension benefit obligation, net of tax $ 0 $ 484 $ 0 $ 484