v3.8.0.1
Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Feb. 26, 2018
Jun. 30, 2017
Entity Registrant Name Health Insurance Innovations, Inc.    
Entity Central Index Key 0001561387    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity a Voluntary Filer No    
Entity's Reporting Status Current Yes    
Entity Filer Category Smaller Reporting Accelerated Filer    
Entity Public Float     $ 271.2
Trading Symbol HIIQ    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2017    
Class A Common Stock      
Entity Common Stock, Shares Outstanding   12,731,758  
Class B Common Stock      
Entity Common Stock, Shares Outstanding   3,841,667