Annual report pursuant to Section 13 and 15(d)

Acquisitions, Goodwill and Other Long-Lived Assets Estimated Amortization Expense (Details)

v3.3.1.900
Acquisitions, Goodwill and Other Long-Lived Assets Estimated Amortization Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Intangible Assets [Line Items]    
Finite-lived Intangible Assets Acquired $ 179,012  
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]    
Year 2016 10,695  
Year 2017 10,551  
Year 2018 8,789  
Year 2019 8,486  
Year 2020 8,456  
Finite-Lived Intangible Assets, Accumulated Amortization 51,212 $ 40,307
Intangible Assets, Net (Excluding Goodwill) 127,800 $ 72,705
Customer Relationships [Member]    
Intangible Assets [Line Items]    
Finite-lived Intangible Assets Acquired 174,240  
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]    
Year 2016 10,156  
Year 2017 10,041  
Year 2018 8,536  
Year 2019 8,456  
Year 2020 $ 8,456  
Finite-Lived Intangible Asset, Useful Life 15 years 10 months 11 days  
Finite-Lived Intangible Assets, Accumulated Amortization $ 47,773  
Intangible Assets, Net (Excluding Goodwill) 126,467  
Noncompete Agreements [Member]    
Intangible Assets [Line Items]    
Finite-lived Intangible Assets Acquired 3,272  
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]    
Year 2016 318  
Year 2017 310  
Year 2018 220  
Year 2019 30  
Year 2020 $ 0  
Finite-Lived Intangible Asset, Useful Life 5 years 3 months 11 days  
Finite-Lived Intangible Assets, Accumulated Amortization $ 2,393  
Intangible Assets, Net (Excluding Goodwill) 879  
Trade Names [Member]    
Intangible Assets [Line Items]    
Finite-lived Intangible Assets Acquired 1,500  
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]    
Year 2016 221  
Year 2017 200  
Year 2018 33  
Year 2019 0  
Year 2020 $ 0  
Finite-Lived Intangible Asset, Useful Life 4 years 11 days  
Finite-Lived Intangible Assets, Accumulated Amortization $ 1,046  
Intangible Assets, Net (Excluding Goodwill) $ 454