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Label Element Value
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Document Period End Date dei_DocumentPeriodEndDate Aug. 31, 2019
Registrant Name dei_EntityRegistrantName AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)
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Document Creation Date dei_DocumentCreationDate May 29, 2020
Document Effective Date dei_DocumentEffectiveDate May 29, 2020
Prospectus Date rr_ProspectusDate Dec. 20, 2019
Entity Inv Company Type dei_EntityInvCompanyType N-1A