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Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
May 04, 2016
Jan. 02, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Amortization expense of intangible assets     $ 261,000 $ 180,000 $ 447,000 $ 360,000
Goodwill acquired $ 6,013,000 $ 1,693,000        
Other amortizable intangible assets 940,000 92,000        
Customer Lists [Member]            
Intangible assets acquired $ 1,100,000 $ 591,000