XML 53 R41.htm IDEA: XBRL DOCUMENT
v3.25.3

Property Held for Lease and Rental Income (Schedule of Rental Income) (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 27, 2025 | Sep. 28, 2024 | Sep. 30, 2023
Property Held for Lease and Rental Income [Abstract] |  |  |
Base rentals | $ 30,559,595 | $ 26,658,958 | $ 24,964,305
Variable rentals | 141,049 | 314,009 | 203,823
Total | 30,700,644 | 26,972,967 | 25,168,128
Depreciation on owned properties leased to others | (9,262,235) | (8,620,836) | (7,788,344)
Direct shopping center expenses, excluding overhead allocations | (3,981,962) | (3,819,139) | (3,752,407)
Total | $ 17,456,447 | $ 14,532,992 | $ 13,627,377

X
- Definition Direct shopping center expenses, excluding overhead allocations. + References No definition available. + Details
Name: | imkta_DirectShoppingCenterExpensesExcludingOverheadAllocations
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Operating Leases Base Rental Income + References No definition available. + Details
Name: | imkta_OperatingLeasesBaseRentalIncome
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Operating leases income statement lease revenue net. + References No definition available. + Details
Name: | imkta_OperatingLeasesIncomeStatementLeaseRevenueNet
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Operating Leases Variable Rental Income + References No definition available. + Details
Name: | imkta_OperatingLeasesVariableRentalIncome
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Rents Earned On Owned And Subleased Properties + References No definition available. + Details
Name: | imkta_RentsEarnedOnOwnedAndSubleasedProperties
Namespace Prefix: | imkta_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of depreciation expense for lessor's underlying asset for which right to use has been conveyed to lessee under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479773/842-30-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration