XML 45 R33.htm IDEA: XBRL DOCUMENT
v3.20.4

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Joint Ventures) (Details) | 3 Months Ended
--- | ---
Nov. 30, 2020
GolfPark Plaza, S.A. [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Percentage Ownership | 50.00% | [1]
Price Plaza Alajuela PPA, S.A. [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Percentage Ownership | 50.00% | [1]
Marketplace And Casillero Store Front, Guatemala [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Percentage Ownership | 60.00% |
Marketplace And Casillero Store Front, Tortola [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Percentage Ownership | 50.00% |
Marketplace And Casillero Store Front, Trinidad [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Percentage Ownership | 50.00% |
[1] | Joint venture interests are recorded as investment in unconsolidated affiliates on the consolidated balance sheets.

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_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Details
Name: | srt_OwnershipAxis=psmt_MarketplaceAndCasilleroStoreFrontGuatemalaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=psmt_MarketplaceAndCasilleroStoreFrontTortolaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=psmt_MarketplaceAndCasilleroStoreFrontTrinidadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |