XML 92 R67.htm IDEA: XBRL DOCUMENT v3.20.4

REVENUE Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2020	Dec. 25, 2019
Revenue from Contract with Customer [Abstract]
Gift card liability	$ 537	$ 524
Deferred revenue	$ 723	$ 536

X

- Definition

Increase (Decrease) in Contract with Customer, Gift Card Liability

+ References

No definition available.

+ Details

Name:	shak_IncreaseDecreaseInContractWithCustomerGiftCardLiability
Namespace Prefix:	shak_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

+ Details

Name:	us-gaap_IncreaseDecreaseInContractWithCustomerLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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