XML 50 R40.htm IDEA: XBRL DOCUMENT v3.20.2

Note C - Finance Receivables, Net - Financing Receivables Analysis (Details)	3 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Principal collected as a percent of average finance receivables	13.00%	13.50%
Average down-payment percentage	7.60%	6.50%
Average originating contract term (in months) (Month)	32 months 12 days	29 months 27 days

X

- Definition

Average down-payment percentage

+ References

No definition available.

+ Details

Name:	crmt_AverageDownpaymentPercentage
Namespace Prefix:	crmt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Average originating contract term.

+ References

No definition available.

+ Details

Name:	crmt_AverageOriginatingContractTerm
Namespace Prefix:	crmt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the principal collected as a percent of average finance receivables.

+ References

No definition available.

+ Details

Name:	crmt_PrincipalCollectedAsAPercentOfAverageFinancingReceivables
Namespace Prefix:	crmt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant