Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets- Intangible Assets (Details)

v3.3.0.814
Goodwill and Intangible Assets- Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount $ 27,204   $ 27,204   $ 27,642
Accumulated Amortization 19,221   19,221   16,404
Intangible assets, net 7,983   7,983   11,238
Amortization of intangible assets     3,041 $ 3,266  
Customer contracts          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 7,965   7,965   8,103
Accumulated Amortization 7,503   7,503   6,911
Amortization of intangible assets 230 $ 513 689 1,127  
Customer relationships          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 12,629   12,629   12,792
Accumulated Amortization 6,134   6,134   4,562
Non-compete agreements          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 3,350   3,350   3,402
Accumulated Amortization 3,050   3,050   2,725
Technology          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 2,718   2,718   2,794
Accumulated Amortization 2,060   2,060   1,767
Trade names          
Finite-Lived Intangible Assets [Line Items]          
Gross Carrying Amount 542   542   551
Accumulated Amortization 474   474   $ 439
Customer Relationships, Noncompete Agreements, Technology and Trade Names          
Finite-Lived Intangible Assets [Line Items]          
Amortization of intangible assets $ 787 $ 875 $ 2,352 $ 2,139  
Minimum          
Finite-Lived Intangible Assets [Line Items]          
Estimated useful life     4 years    
Minimum | Customer contracts          
Finite-Lived Intangible Assets [Line Items]          
Acquired intangible assets useful life     1 year    
Maximum          
Finite-Lived Intangible Assets [Line Items]          
Estimated useful life     15 years    
Maximum | Customer contracts          
Finite-Lived Intangible Assets [Line Items]          
Acquired intangible assets useful life     5 years