XML 14 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2015
Feb. 17, 2016
Jun. 30, 2015
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Trading Symbol HUBG    
Entity Registrant Name HUB GROUP INC    
Entity Central Index Key 0000940942    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,400,902,186
Class A Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   34,988,704  
Class B Common Stock [Member]      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   662,296