v3.6.0.2
Document and Entity Information - shares
3 Months Ended
Dec. 31, 2016
Feb. 03, 2017
Document Information [Line Items]    
Entity Registrant Name META FINANCIAL GROUP INC  
Entity Central Index Key 0000907471  
Current Fiscal Year End Date --09-30  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 31, 2016  
Common Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   9,345,762
Nonvoting Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0