XML 25 R35.htm IDEA: XBRL DOCUMENT
v3.20.1

Note A - Organization and Business (Details Textual) | 12 Months Ended
--- | ---
Apr. 30, 2020
Number of Operating Subsidiaries | 2
Number of Dealerships Operated | 148

X
- Definition Number of dealerships that the entity has. + References No definition available. + Details
Name: | crmt_NumberOfDealershipsOperated
Namespace Prefix: | crmt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of operating subsidiaries that the entity has. + References No definition available. + Details
Name: | crmt_NumberOfOperatingSubsidiaries
Namespace Prefix: | crmt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration