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v3.26.1

Allowance for Credit Losses and Credit Quality Information - Company’s Gross Charge-Offs By Year of Origination (Details) | Mar. 31, 2026 | Mar. 31, 2025
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Receivables [Abstract] |  |
Financing receivable weighted average rehab rate | 5.40% | 4.50%

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

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- Definition Financing Receivable, Weighted Average Interest Rate + References No definition available. + Details
Name: | wrld_FinancingReceivableWeightedAverageInterestRate
Namespace Prefix: | wrld_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant