v2.3.0.15
Document and Entity Information
9 Months Ended
Sep. 30, 2011
Oct. 31, 2011
Class A common stock [Member]
Oct. 31, 2011
Class B common stock [Member]
Entity Information [Line Items]   
Entity Registrant NameGREEN DOT CORP  
Entity Trading SymbolGDOT  
Entity Central Index Key0001386278  
Current Fiscal Year End Date--12-31  
Entity Filer CategoryNon-accelerated Filer  
Document Type10-Q  
Document Period End DateSep. 30, 2011
Document Fiscal Year Focus2011  
Document Fiscal Period FocusQ3  
Amendment Flagfalse  
Entity Common Stock, Shares Outstanding 25,168,90017,026,224