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.

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 5
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980

+ Details

Name:	us-gaap_OperatingLeasePayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=arkr_NewYorkNewYorkHotelAndCasinoLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	arkr_OperatingLeaseLeaseNameAxis=arkr_GallaghersSteakhouseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	arkr_OperatingLeaseLeaseNameAxis=arkr_AmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	arkr_OperatingLeaseLeaseNameAxis=arkr_VillageEateriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

RECENT RESTAURANT EXPANSION AND OTHER DEVELOPMENTS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jul. 21, 2022	Jun. 24, 2022	Apr. 08, 2022
Business Acquisition [Line Items]
Payments for lease improvements	$ 146,768
Operating cash flows related to operating leases	5,171	$ 3,592
New York New York Hotel And Casino Lease
Business Acquisition [Line Items]
Operating cash flows related to operating leases	$ 500
Gallagher's Steakhouse \| Minimum
Business Acquisition [Line Items]
Payments for lease improvements					$ 1,500
America \| Minimum
Business Acquisition [Line Items]
Payments for lease improvements				$ 4,000
Village Eateries \| Minimum
Business Acquisition [Line Items]
Payments for lease improvements			$ 3,500