XML 11 R1.htm IDEA: XBRL DOCUMENT v3.6.0.2
Document And Entity Information - shares
 6 Months Ended
Oct. 31, 2016
Dec. 12, 2016
Document Information [Line Items]    
Entity Registrant Name AMERICAS CARMART INC  
Entity Central Index Key 0000799850  
Trading Symbol crmt  
Current Fiscal Year End Date --04-30  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Common Stock, Shares Outstanding (in shares)   7,901,440
Document Type 10-Q  
Document Period End Date Oct. 31, 2016  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Amendment Flag false