Goodwill and Intangible Assets (Intangible assets) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Intangible assets    
Gross Carrying Amount $ 30,581 $ 7,302
Accumulated Amortization (4,948) (2,755)
Intangible assets, net $ 25,633 4,547
Weighted average amortization period 6 years 9 months 18 days  
Developed technology    
Intangible assets    
Gross Carrying Amount $ 16,668 6,907
Accumulated Amortization (4,123) (2,643)
Intangible assets, net $ 12,545 4,264
Weighted average amortization period 4 years 10 months 24 days  
Customer Relationships    
Intangible assets    
Gross Carrying Amount $ 9,208 342
Accumulated Amortization (571) (66)
Intangible assets, net $ 8,637 276
Weighted average amortization period 7 years 10 months 24 days  
Trademark/trade name    
Intangible assets    
Gross Carrying Amount $ 4,410  
Accumulated Amortization (153)  
Intangible assets, net $ 4,257  
Weighted average amortization period 12 years  
Non-competition agreements    
Intangible assets    
Gross Carrying Amount $ 295 53
Accumulated Amortization (101) (46)
Intangible assets, net $ 194 $ 7
Weighted average amortization period 2 years