Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets (Narrative) (Details)

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Goodwill and Intangible Assets (Narrative) (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
segment
Jun. 30, 2017
USD ($)
Goodwill and Intangible Assets [Abstract]      
Number of reportable segments | segment   4  
Goodwill impairment loss $ 1,463 $ 1,463  
Impairment of intangible assets $ 154    
Amortization expense   $ 6 $ 24