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Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).No definition available.false2Excess tax benefit from stock-based compensationduration2012-01-01T00:00:002012-06-30T00:00:00 0wlfc_AdjustmentsToAdditionalPaidInCapitalTaxBenefitOnDisqualifiedDispositionsOfShareswlfc_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse685000685falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse685000685falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryTax benefit associated with any share-based compensation plan. The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. 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