The date reported for `FinancialReportingPeriodCurrentStartDate` MUST be earlier than the date reported for `FinancialReportingPeriodCurrentEndDate`. `DocumentPresentationCurrencyEducation` MUST exist once. `FinancialReportingPeriodCurrentEndDate` MUST exist once. `FinancialReportingPeriodCurrentStartDate` MUST exist once.