Document And Entity Information - shares	9 Months Ended
	Jan. 31, 2019	Mar. 06, 2019
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 Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding (in shares)		6,706,514
Document Type	10-Q
Document Period End Date	Jan. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Amendment Flag	false