XML 40 R30.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Note B - Summary of Significant Accounting Policies (Details Textual) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | 18 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 25, 2017 | May 31, 2016 | May 30, 2016 | Oct. 31, 2018 | Jan. 31, 2018 | Oct. 31, 2018 | Oct. 31, 2017 | Oct. 24, 2017 | Jul. 31, 2018 | Apr. 30, 2019 | Oct. 31, 2018 | Apr. 30, 2018 | Oct. 31, 2018 | Apr. 30, 2017
Number of Reportable Segments |  |  |  |  |  | 1 |  |  |  |  |  |  |  |
Average Finance Receivable Interest Rate |  |  |  |  |  | 16.40% |  |  |  |  |  |  |  |
Interest Receivable |  |  |  | $ 2,435,000 |  | $ 2,435,000 |  |  |  |  | $ 2,435,000 | $ 2,189,000 | $ 2,435,000 |
Finance Receivables, Customer Payments Due Either Weekly or Bi-Weekly, Percentage |  |  |  |  |  | 75.00% |  |  |  |  |  |  |  |
Financing Receivable, Greater Than or Equal to 30 Days Past Due, Percent of Portfolio |  |  |  | 3.40% |  | 3.40% | 4.10% |  |  |  | 3.40% |  | 3.40% |
Financing Receivable, Average Days Past Due At Charge Off |  |  |  | 66 days |  |  |  |  |  |  |  |  |  |
Financing Receivable, Weighted Average Total Contract Term |  |  |  |  |  | 2 years 243 days |  |  |  |  |  |  |  |
Financing Receivable, Remaining Contract Term |  |  |  |  |  | 1 year 333 days |  |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses, Ending Balance |  |  |  | $ 126,128,000 |  | $ 126,128,000 | $ 115,918,000 |  |  |  | $ 126,128,000 | 117,821,000 | $ 126,128,000 | $ 109,693,000
Finance Receivables, Allowance, Percent of Principle Balance |  |  |  | 25.00% |  | 25.00% |  |  |  |  | 25.00% |  | 25.00% |
Finance Receivable Principal Balance |  |  |  | $ 535,842,000 |  | $ 535,842,000 | $ 492,495,000 |  |  |  | $ 535,842,000 | 501,438,000 | $ 535,842,000 |
Deferred Revenue |  |  |  | $ 20,800,000 |  | $ 20,800,000 |  |  |  |  | $ 20,800,000 |  | $ 20,800,000 |
Percent of Chargeoffs in the First 10 to 11 Months of a Contract |  |  |  | 50.00% |  | 50.00% |  |  |  |  | 50.00% |  | 50.00% |
Average Age of Account at Charge-Off Date |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Payment Protection Plan Liability, Anticipated Losses in Excess of Deferred Revenues |  |  |  | $ 0 |  | $ 0 |  |  |  |  | $ 0 | 0 | $ 0 |
Goodwill, Impairment Loss |  |  |  |  |  | $ 0 |  |  |  |  |  | $ 0 |  |
Effective Income Tax Rate Reconciliation, Percent, Total |  |  |  |  |  | 18.70% | 33.30% |  |  |  |  |  |  |
Tax Adjustments, Settlements, and Unusual Provisions |  |  |  |  | $ (8,100,000) | $ (1,500,000) | $ (784,000) |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  |  |  |  |  |  |  |  |  |  | 30.40% |  |
Income Tax Examination, Penalties and Interest Accrued, Total |  |  |  | 0 |  | 0 |  |  |  |  | 0 | $ 0 | 0 |
Financing Receivable, Recorded Investment Greater Than 90 Days Past Due |  |  |  | 1,512,000 |  | 1,512,000 | 1,845,000 |  |  |  | 1,512,000 | $ 1,604,000 | 1,512,000 |
Late Fee Income Generated by Servicing Financial Assets, Amount |  |  |  |  |  | 933,000 | $ 903,000 |  |  |  |  |  |  |
Contract with Customer, Liability, Revenue Recognized from Prior Year |  |  |  | 3,000,000 |  | $ 8,100,000 |  |  |  |  |  |  |  |
Stock Repurchased During Period, Shares |  |  |  |  |  | 205,655 | 509,773 |  |  |  |  |  |  |
Stock Repurchased During Period, Value |  |  |  |  |  | $ 13,900,000 | $ 20,100,000 |  |  |  |  |  |  |
Treasury Stock, Shares to Establish Reserve Account to Secure Service Contracts |  |  |  |  |  | 10,000 |  |  |  |  |  |  |  |
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability |  |  |  |  | $ (8,100,000) |  |  |  |  |  |  |  |  |
Treasury Stock, Shares to Establish Reserve Amount to Secure Insurance Liabilities |  |  |  |  |  | 10,000 |  |  |  |  |  |  |  |
Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  |  |  |  |  |  |  |  | 21.00% |  |  |  |
Service Contract [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Revenue |  |  |  | $ 10,600,000 |  | $ 10,600,000 |  |  |  |  | 10,600,000 |  | $ 10,600,000 |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable Interest Rate |  | 16.50% | 15.00% |  |  | 16.50% |  |  |  |  |  |  |  |
Allowance for Credit Losses, Primary Factor Units Repossessed or Charged Off Evaluation Period |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Financing Receivable Interest Rate |  |  |  |  |  | 15.00% |  |  |  |  |  |  |  |
Allowance for Credit Losses, Primary Factor Units Repossessed or Charged Off Evaluation Period |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Distribution Limitations, Maximum Aggregate Amount of Stock Repurchases |  |  |  |  |  |  |  | $ 40,000,000 | $ 50,000,000 |  | $ 50,000,000 |  |  |
Line of Credit Facility, Distribution Limitations Percentage of Sum of Borrowing Bases | 20.00% |  |  |  |  |  |  | 25.00% |  |  |  |  | 20.00% |
Line of Credit Facility, Distribution Limitations Percentage of Consolidated Net Income |  |  |  |  |  |  |  |  |  |  |  |  | 75.00% |
Line of Credit Facility Distribution Limitations Minimum Percentage of Aggregate Funds Available |  |  |  |  |  |  |  |  |  |  |  |  | 12.50% |
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Arkansas, USA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  | 28.00% |  |  |  |  |  |  |  |

X
- Definition Historical period of time to evaluate units repossessed or charged-off. + References No definition available. + Details
Name: | crmt_AllowanceForCreditLossesPrimaryFactorUnitsRepossessedOrChargedOffEvaluationPeriod
Namespace Prefix: | crmt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the average age of an account at charge-off date. + References No definition available. + Details
Name: | crmt_AverageAgeOfAccountAtChargeOffDate
Namespace Prefix: | crmt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the average interest rate on installment sale contracts. + References No definition available. + Details
Name: | crmt_AverageFinanceReceivableInterestRate
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Current year revenue recognized from prior year deferred service contract. + References No definition available. + Details
Name: | crmt_ContractWithCustomerLiabilityRevenueRecognizedFromPriorYear
Namespace Prefix: | crmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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

X
- Definition The allowance for credit losses as a percentage of the principal balance related to financing receivables. + References No definition available. + Details
Name: | crmt_FinanceReceivablesAllowancePercentOfPrincipleBalance
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of of customer payments on Finance Receivables due either weekly or bi-weekly. + References No definition available. + Details
Name: | crmt_FinanceReceivablesCustomerPaymentsDueEitherWeeklyOrBiWeeklyPercentage
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average days past due at charge off of financing receivable. + References No definition available. + Details
Name: | crmt_FinancingReceivableAverageDaysPastDueAtChargeOff
Namespace Prefix: | crmt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivable, percent of portfolio greater than or equal to 30 days past due. + References No definition available. + Details
Name: | crmt_FinancingReceivableGreaterThanOrEqualTo30DaysPastDuePercentOfPortfolio
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the interest rate on installment sale contracts. + References No definition available. + Details
Name: | crmt_FinancingReceivableInterestRate
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivables that are greater than 90 days past due. + References No definition available. + Details
Name: | crmt_FinancingReceivableRecordedInvestmentGreaterThan90DaysPastDue
Namespace Prefix: | crmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the remaining contract term for financing receivable. + References No definition available. + Details
Name: | crmt_FinancingReceivableRemainingContractTerm
Namespace Prefix: | crmt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the weighted average total contract term for financing receivables. + References No definition available. + Details
Name: | crmt_FinancingReceivableWeightedAverageTotalContractTerm
Namespace Prefix: | crmt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents maximum aggregate amount of stock repurchases under distribution limitations. + References No definition available. + Details
Name: | crmt_LineOfCreditFacilityDistributionLimitationsMaximumAggregateAmountOfStockRepurchases
Namespace Prefix: | crmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the distribution limitations, minimum percentage of aggregate funds available. + References No definition available. + Details
Name: | crmt_LineOfCreditFacilityDistributionLimitationsMinimumPercentageOfAggregateFundsAvailable
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the distribution limitations, percentage of consolidated net income. + References No definition available. + Details
Name: | crmt_LineOfCreditFacilityDistributionLimitationsPercentageOfConsolidatedNetIncome
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the distribution limitations, percentage of sum of borrowing bases. + References No definition available. + Details
Name: | crmt_LineOfCreditFacilityDistributionLimitationsPercentageOfSumOfBorrowingBases
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of additional liability representing the amount by which anticipated losses exceed deferred revenues under a payment protection plan. + References No definition available. + Details
Name: | crmt_PaymentProtectionPlanLiabilityAnticipatedLossesInExcessOfDeferredRevenues
Namespace Prefix: | crmt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of chargeoffs in the first 10 to 11 months of a contract. + References No definition available. + Details
Name: | crmt_PercentOfChargeoffsInTheFirst10To11MonthsOfAContract
Namespace Prefix: | crmt_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of treasury stock shares held in reserve account to secure service contracts. + References No definition available. + Details
Name: | crmt_TreasuryStockSharesToEstablishReserveAccountToSecureServiceContracts
Namespace Prefix: | crmt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of treasury stock shares held in reserve account to secure insurance liabilities. + References No definition available. + Details
Name: | crmt_TreasuryStockSharesToEstablishReserveAmountToSecureInsuranceLiabilities
Namespace Prefix: | crmt_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References No definition available. + Details
Name: | us-gaap_DeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13777-109266 + Details
Name: | us-gaap_GoodwillImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
Name: | us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
Name: | us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InterestReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition All amounts that are due to the servicer of a financial asset as a result of the debt holder not meeting the monthly payment terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122596-111746 + Details
Name: | us-gaap_LateFeeIncomeGeneratedByServicingFinancialAssetsAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=115928272&loc=d3e28511-109314 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=115928272&loc=d3e28446-109314 + Details
Name: | us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=crmt_ServiceContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=crmt_ArkansasUSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |