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Note C - Finance Receivables, Net - Credit Quality Information for Finance Receivables (Details) - USD ($) $ in Thousands | Jan. 31, 2024 | Oct. 31, 2023 | Apr. 30, 2023 | Jan. 31, 2023 | Oct. 31, 2022
--- | --- | --- | --- | --- | ---
Principle Balance | $ 1,428,908 | $ 1,428,908 | $ 1,373,372 | $ 1,305,956 | $ 1,305,956
Percent of Portfolio | 100.00% | 100.00% | 100.00% | 100.00% | 100.00%
Financial Asset, Not Past Due [Member] |  |  |  |  |
Principle Balance | $ 1,119,120 |  | $ 1,166,860 | $ 1,011,877 |
Percent of Portfolio |  |  | 84.96% | 77.48% |
Financial Asset, Past Due [Member] |  |  |  |  |
Percent of Portfolio | 78.32% |  |  |  |
Financial Asset, 3 to 29 Days Past Due [Member] |  |  |  |  |
Principle Balance | $ 262,200 |  | $ 156,943 | $ 245,939 |
Percent of Portfolio | 18.35% |  | 11.43% | 18.83% |
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |  |
Principle Balance | $ 34,266 |  | $ 37,214 | $ 36,447 |
Percent of Portfolio | 2.40% |  | 2.71% | 2.79% |
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |  |
Principle Balance | $ 7,258 |  | $ 8,407 | $ 7,700 |
Percent of Portfolio | 0.51% |  | 0.61% | 0.59% |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |  |
Principle Balance | $ 6,064 |  | $ 3,948 | $ 3,993 |
Percent of Portfolio | 0.42% |  | 0.29% | 0.31% |

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- Definition The principal balance of finance receivables after deducting unearned finance charges from gross contract amount. + References No definition available. + Details
Name: | crmt_FinanceReceivablePrincipalBalance
Namespace Prefix: | crmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents percent of portfolio for financing receivable. + References No definition available. + Details
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Balance Type: | na
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- Details
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- Details
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- Details
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- Details
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- Details
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