|**Goodwill (Tables)**                                    | 9 Months Ended                                                                                                                                                                                       
|-------------------------------------------------------- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|**Goodwill and Intangible Assets Disclosure [Abstract]** |                                                                                                                                                                                                      
|Schedule of goodwill                                     | 2016Balance, January 1$243,129Measurement period adjustment871Balance, September 30$244,0002015Balance, January 1$202,724Goodwill acquired48,879Goodwill reduction(8,474)Balance, December 31$243,129
|                                                        
|                                                         |                                                                                                                                                                                                      
|                                                         | 2016                                                                                                                                                                                                 
|Balance, January 1                                       | $                                                                                                                                                                                                    
|Measurement period adjustment                            | 871                                                                                                                                                                                                  
|Balance, September 30                                    | $                                                                                                                                                                                                    
|                                                        
|                                                         |                                                                                                                                                                                                      
|                                                         | 2015                                                                                                                                                                                                 
|Balance, January 1                                       | $                                                                                                                                                                                                    
|Goodwill acquired                                        | 48,879                                                                                                                                                                                               
|Goodwill reduction                                       | (8,474                                                                                                                                                                                               
|Balance, December 31                                     | $                                                                                                                                                                                                    

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