XML 121 R106.htm IDEA: XBRL DOCUMENT
v3.21.2

UNCONSOLIDATED AFFILIATES (Narrative) (Details) - Panama [Member] - GolfPark Plaza, S.A. [Member] | 12 Months Ended |
--- | --- | ---
Aug. 31, 2021 USD ($) item | Aug. 31, 2020 USD ($) | Aug. 31, 2019 USD ($) | Aug. 31, 2021 ft² | Aug. 31, 2021 m²
Variable Interest Entity [Line Items] |  |  |  |  |
Area of property |  |  |  | 17,976 | 1,670
Operating leases, Term | 15 years |  |  |  |
Number of renewal options | item | 3 |  |  |  |
Renewal term | 5 years |  |  |  |
Rent expense | $ | $ 105,700 | $ 105,700 | $ 105,700 |  |

X
- Definition Operating Leases, Number Of Renewal Options + References No definition available. + Details
Name: | psmt_OperatingLeasesNumberOfRenewalOptions
Namespace Prefix: | psmt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating Leases, Term + References No definition available. + Details
Name: | psmt_OperatingLeasesTerm
Namespace Prefix: | psmt_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash payments to lessor's for use of assets under operating leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForRent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | srt_OwnershipAxis=psmt_GolfparkPlazaS.a.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |