XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.25.2

Finance Receivables, Net - Summary of Financing Receivables Analysis (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jul. 31, 2025 | Jul. 31, 2024
Receivables [Abstract] |  |
Average total collected per active customer per month | $ 585 | $ 562
Principal collected as a percent of average finance receivables | 7.90% | 7.80%
Average down-payment percentage | 4.90% | 5.20%
Portfolio weighted average contract term, including modifications (in months) | 48 months 9 days | 48 months 3 days

X
- Definition Average amount of collected balance per customer per month. + References No definition available. + Details
Name: | crmt_AverageCollectedAmountPerCustomerPerMonth
Namespace Prefix: | crmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Average down-payment percentage + References No definition available. + Details
Name: | crmt_AverageDownpaymentPercentage
Namespace Prefix: | crmt_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Portfolio weighted average contract term, including modifications. + References No definition available. + Details
Name: | crmt_PortfolioWeightedAverageContractTermIncludingModifications
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: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration