v3.10.0.1
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2018
Oct. 25, 2018
Class of Stock [Line Items]    
Entity Registrant Name Health Insurance Innovations, Inc.  
Entity Central Index Key 0001561387  
Document Type 10-Q  
Document Period End Date Sep. 30, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Trading Symbol HIIQ  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2018  
Class A Common Stock    
Class of Stock [Line Items]    
Entity Common Stock, Shares Outstanding   14,405,824
Class B Common Stock    
Class of Stock [Line Items]    
Entity Common Stock, Shares Outstanding   2,541,667