$SHAK
Shake Shack Inc. Stock $shak

$shak Overview Financials Valuation SEC Filings Company Website

2020 Q3 Form 10-Q Financial Statement

#000162053320000109 Filed on October 30, 2020

Income Statement

Concept	2020 Q3	2019 Q3
Revenue	$130.4M	$157.8M
YoY Change	-17.34%	31.86%
Cost Of Revenue	$75.70M	$85.70M
YoY Change	-11.67%	162.06%
Gross Profit	$54.70M	$72.10M
YoY Change	-24.13%	-17.07%
Gross Profit Margin	41.95%	45.7%
Selling, General & Admin	$30.00M	$34.20M
YoY Change	-12.28%	35.18%
% of Gross Profit	54.84%	47.43%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$12.38M	$10.47M
YoY Change	18.16%	40.8%
% of Gross Profit	22.63%	14.53%
Operating Expenses	$137.2M	$149.6M
YoY Change	-8.29%	35.62%
Operating Profit	-$6.798M	$8.164M
YoY Change	-183.27%	-12.62%
Interest Expense	$143.0K	$133.0K
YoY Change	7.52%	-77.53%
% of Operating Profit		1.63%
Other Income/Expense, Net	$0.00	$0.00
YoY Change
Pretax Income	-$6.907M	$8.279M
YoY Change	-183.43%	-9.88%
Income Tax	-$797.0K	-$3.144M
% Of Pretax Income		-37.98%
Net Earnings	-$5.559M	$10.34M
YoY Change	-153.74%	105.85%
Net Earnings / Revenue	-4.26%	6.56%
Basic Earnings Per Share	-$0.15	$0.32
Diluted Earnings Per Share	-$0.15	$0.31
COMMON SHARES
Basic Shares Outstanding	38.25M shares	31.96M shares
Diluted Shares Outstanding	38.25M shares	32.92M shares

Balance Sheet

Concept	2020 Q3	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$191.8M	$80.80M
YoY Change	137.38%	-11.31%
Cash & Equivalents	$174.9M	$44.51M
Short-Term Investments	$16.90M	$36.30M
Other Short-Term Assets	$2.600M	$1.700M
YoY Change	52.94%	-19.05%
Inventory	$2.383M	$1.782M
Prepaid Expenses
Receivables	$7.729M	$15.09M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$204.5M	$99.44M
YoY Change	105.66%	-4.31%
LONG-TERM ASSETS
Property, Plant & Equipment	$326.5M	$304.4M
YoY Change	7.29%	25.92%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$12.04M	$10.65M
YoY Change	13.01%	189.3%
Total Long-Term Assets	$932.7M	$863.8M
YoY Change	7.97%	76.87%
TOTAL ASSETS
Total Short-Term Assets	$204.5M	$99.44M
Total Long-Term Assets	$932.7M	$863.8M
Total Assets	$1.137B	$963.3M
YoY Change	18.06%	62.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$22.35M	$15.87M
YoY Change	40.9%	64.34%
Accrued Expenses	$25.24M	$27.98M
YoY Change	-9.8%	22.93%
Deferred Revenue	$564.0K	$421.0K
YoY Change	33.97%	44.67%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.700M	$1.800M
YoY Change	-5.56%
Total Short-Term Liabilities	$104.3M	$95.97M
YoY Change	8.64%	96.66%
LONG-TERM LIABILITIES
Long-Term Debt	$3.500M	$3.300M
YoY Change	6.06%	-83.42%
Other Long-Term Liabilities	$21.83M	$14.91M
YoY Change	46.4%	98.22%
Total Long-Term Liabilities	$21.83M	$14.91M
YoY Change	46.4%	98.22%
TOTAL LIABILITIES
Total Short-Term Liabilities	$104.3M	$95.97M
Total Long-Term Liabilities	$21.83M	$14.91M
Total Liabilities	$690.4M	$645.0M
YoY Change	7.05%	101.09%
SHAREHOLDERS EQUITY
Retained Earnings	$31.64M	$56.46M
YoY Change	-43.97%	80.03%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$417.7M	$290.6M
YoY Change
Total Liabilities & Shareholders Equity	$1.137B	$963.3M
YoY Change	18.06%	62.63%

Cashflow Statement

Concept	2020 Q3	2019 Q3
OPERATING ACTIVITIES
Net Income	-$5.559M	$10.34M
YoY Change	-153.74%	105.85%
Depreciation, Depletion And Amortization	$12.38M	$10.47M
YoY Change	18.16%	40.8%
Cash From Operating Activities	$10.51M	$37.15M
YoY Change	-71.71%	69.48%
INVESTING ACTIVITIES
Capital Expenditures	-$9.360M	-$24.90M
YoY Change	-62.41%	4.71%
Acquisitions
YoY Change
Other Investing Activities	-$40.00K	-$260.0K
YoY Change	-84.62%	-23.53%
Cash From Investing Activities	-$9.410M	-$25.16M
YoY Change	-62.6%	4.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-200.0K	2.790M
YoY Change	-107.17%	350.0%
NET CHANGE
Cash From Operating Activities	10.51M	37.15M
Cash From Investing Activities	-9.410M	-25.16M
Cash From Financing Activities	-200.0K	2.790M
Net Change In Cash	900.0K	14.78M
YoY Change	-93.91%	-1035.44%
FREE CASH FLOW
Cash From Operating Activities	$10.51M	$37.15M
Capital Expenditures	-$9.360M	-$24.90M
Free Cash Flow	$19.87M	$62.05M
YoY Change	-67.98%	35.78%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020Q3	dei	Amendment Flag AmendmentFlag	false
CY2020Q3	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020Q3	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2020Q3	dei	Entity Central Index Key EntityCentralIndexKey	0001620533
CY2020Q3	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-30
CY2020Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2019Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2019Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020Q3	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	0	USD
CY2020Q3	dei	Document Type DocumentType	10-Q
CY2020Q3	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-23
CY2020Q3	dei	Document Transition Report DocumentTransitionReport	false
CY2020Q3	dei	Entity File Number EntityFileNumber	001-36823
CY2020Q3	dei	Entity Registrant Name EntityRegistrantName	SHAKE SHACK INC.
CY2020Q3	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020Q3	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	47-1941186
CY2020Q3	dei	Entity Address Address Line1 EntityAddressAddressLine1	225 Varick Street
CY2020Q3	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 301
CY2020Q3	dei	Entity Address City Or Town EntityAddressCityOrTown	New York,
CY2020Q3	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
CY2020Q3	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10014
CY2020Q3	dei	City Area Code CityAreaCode	646
CY2020Q3	dei	Local Phone Number LocalPhoneNumber	747-7200
CY2020Q3	dei	Security12b Title Security12bTitle	Class A Common Stock, par value $0.001
CY2020Q3	dei	Trading Symbol TradingSymbol	SHAK
CY2020Q3	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020Q3	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020Q3	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020Q3	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020Q3	dei	Entity Small Business EntitySmallBusiness	false
CY2020Q3	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020Q3	dei	Entity Shell Company EntityShellCompany	false
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CY2020Q3	shak	Tax Receivable Agreement Liability Noncurrent TaxReceivableAgreementLiabilityNoncurrent	228197000	USD
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CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	130401000	USD
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CY2019Q3	shak	Other Comprehensive Income Loss Securities Availableforsale Adjustment Excluding Arising During Periodafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleAdjustmentExcludingArisingDuringPeriodafterTax	0	USD
	shak	Other Comprehensive Income Loss Securities Availableforsale Adjustment Excluding Arising During Periodafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleAdjustmentExcludingArisingDuringPeriodafterTax	1000	USD
	shak	Other Comprehensive Income Loss Securities Availableforsale Adjustment Excluding Arising During Periodafter Tax OtherComprehensiveIncomeLossSecuritiesAvailableforsaleAdjustmentExcludingArisingDuringPeriodafterTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-6110000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	11423000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-25219000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	26201000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-551000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1079000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-2490000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4281000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-5559000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	10344000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-22729000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	21920000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	451285000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-6110000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1346000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	489000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2019Q3	shak	Adjustmentsto Additional Paidin Capital Tax Receivable Agreement AdjustmentstoAdditionalPaidinCapitalTaxReceivableAgreement	705000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	300673000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	11423000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1908000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	3625000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2019Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	39000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	318295000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	321985000	USD
	us-gaap	Profit Loss ProfitLoss	-25220000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4088000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	460000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
	shak	Adjustmentsto Additional Paidin Capital Tax Receivable Agreement AdjustmentstoAdditionalPaidinCapitalTaxReceivableAgreement	929000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	144997000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	478000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	446762000	USD
	shak	Adjustmentsto Additional Paidin Capital Tax Receivable Agreement AdjustmentstoAdditionalPaidinCapitalTaxReceivableAgreement	3516000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1706000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	273455000	USD
	us-gaap	Profit Loss ProfitLoss	26201000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5918000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	5716000	USD
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	318295000	USD
	us-gaap	Profit Loss ProfitLoss	-25220000	USD
	us-gaap	Profit Loss ProfitLoss	26201000	USD
	us-gaap	Depreciation Depreciation	36233000	USD
	us-gaap	Depreciation Depreciation	29239000	USD
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	1086000	USD
	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	107000	USD
	shak	Amortizationofoperatingleaseassets Amortizationofoperatingleaseassets	33726000	USD
	shak	Amortizationofoperatingleaseassets Amortizationofoperatingleaseassets	29329000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	28498000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	4058000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	5751000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8680000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1152000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	48000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	85000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	79000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	22000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-2924000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1031000	USD
	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	-22000	USD
	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	231000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-906000	USD
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-2000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-2241000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-8320000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	162000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-265000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	2111000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	33000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	759000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	6735000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4349000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4038000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-13361000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2841000	USD
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-2214000	USD
	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-915000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	437000	USD
	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	638000	USD
	shak	Increase Decreasein Longtermoperatingleaseliabilities IncreaseDecreaseinLongtermoperatingleaseliabilities	-25298000	USD
	shak	Increase Decreasein Longtermoperatingleaseliabilities IncreaseDecreaseinLongtermoperatingleaseliabilities	-26932000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	2992000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1216000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	73043000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	47002000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	80904000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	314000	USD
	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	970000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	20000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	27000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-27316000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-54874000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	50000000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	0	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	50000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	64000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	286000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	144997000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	shak	Payments Onprincipal On Finance Lease Liabilities PaymentsOnprincipalOnFinanceLeaseLiabilities	1670000	USD
	shak	Payments Onprincipal On Finance Lease Liabilities PaymentsOnprincipalOnFinanceLeaseLiabilities	1433000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	478000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1706000	USD
	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	6643000	USD
	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	707000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2239000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	7089000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1779000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1371000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	136602000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1586000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	137784000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	19755000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	37099000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	24750000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	174883000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	44505000	USD
CY2020Q3	us-gaap	Number Of Restaurants NumberOfRestaurants	298	Restaurant
	us-gaap	Fiscal Period FiscalPeriod	<div style="margin-bottom:6pt;margin-top:12pt"><span style="color:#619f42;font-family:'Arial Narrow',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Fiscal Year</span></div><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Arial Narrow',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We operate on a 52/53 week fiscal year ending on the last Wednesday in December. Fiscal 2020 contains 53 weeks and ends on December 30, 2020. Fiscal 2019 contained 52 weeks and ended on December 25, 2019. Unless otherwise stated, references to years in this report relate to fiscal years.</span></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:6pt;margin-top:12pt"><span style="color:#619f42;font-family:'Arial Narrow',sans-serif;font-size:12pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Arial Narrow',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of these condensed consolidated financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the </span></div>date of the financial statements, and the reported amounts of sales and expenses during the reporting period. Actual results could differ from those estimates.
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	130401000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	157762000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	365357000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	443084000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	17048000	USD
CY2020Q3	shak	Contract With Customer Gift Card Liability ContractWithCustomerGiftCardLiability	2205000	USD
CY2019Q4	shak	Contract With Customer Gift Card Liability ContractWithCustomerGiftCardLiability	2258000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	564000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	511000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	12144000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	11310000	USD
CY2020Q3	shak	Increase Decreasein Contractwith Customer Gift Card Liability IncreaseDecreaseinContractwithCustomerGiftCardLiability	91000	USD
CY2019Q3	shak	Increase Decreasein Contractwith Customer Gift Card Liability IncreaseDecreaseinContractwithCustomerGiftCardLiability	84000	USD
	shak	Increase Decreasein Contractwith Customer Gift Card Liability IncreaseDecreaseinContractwithCustomerGiftCardLiability	436000	USD
	shak	Increase Decreasein Contractwith Customer Gift Card Liability IncreaseDecreaseinContractwithCustomerGiftCardLiability	467000	USD
CY2020Q3	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	234000	USD
CY2019Q3	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	86000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	539000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	305000	USD
CY2020Q3	shak	Cash Cash Equivalentsand Availableforsale Debtand Equity Securities Amortized Cost CashCashEquivalentsandAvailableforsaleDebtandEquitySecuritiesAmortizedCost	191712000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	50000	USD
CY2020Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2020Q3	shak	Cash Cash Equivalentsand Availableforsale Securities Amortized Cost Fair Value CashCashEquivalentsandAvailableforsaleSecuritiesAmortizedCostFairValue	191762000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	174883000	USD
CY2020Q3	us-gaap	Available For Sale Securities AvailableForSaleSecurities	16879000	USD
CY2019Q4	shak	Cash Cash Equivalentsand Availableforsale Debtand Equity Securities Amortized Cost CashCashEquivalentsandAvailableforsaleDebtandEquitySecuritiesAmortizedCost	73535000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	72000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	0	USD
CY2019Q4	shak	Cash Cash Equivalentsand Availableforsale Securities Amortized Cost Fair Value CashCashEquivalentsandAvailableforsaleSecuritiesAmortizedCostFairValue	73607000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	37099000	USD
CY2019Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	36508000	USD
CY2020Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
CY2019Q3	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	20000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	27000000	USD
CY2020Q3	shak	Availableforsale Securities Amortized Cost Basis Securities Sold AvailableforsaleSecuritiesAmortizedCostBasisSecuritiesSold	0	USD
CY2019Q3	shak	Availableforsale Securities Amortized Cost Basis Securities Sold AvailableforsaleSecuritiesAmortizedCostBasisSecuritiesSold	0	USD
	shak	Availableforsale Securities Amortized Cost Basis Securities Sold AvailableforsaleSecuritiesAmortizedCostBasisSecuritiesSold	19921000	USD
	shak	Availableforsale Securities Amortized Cost Basis Securities Sold AvailableforsaleSecuritiesAmortizedCostBasisSecuritiesSold	26978000	USD
CY2020Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
CY2019Q3	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	0	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	79000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	36000	USD
CY2020Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2019Q3	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	14000	USD
	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1132000	USD
CY2020Q3	us-gaap	Inventory Gross InventoryGross	2383000	USD
CY2019Q4	us-gaap	Inventory Gross InventoryGross	2221000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	480531000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	436648000	USD
CY2020Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	154005000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	121786000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	326526000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	314862000	USD
CY2020Q3	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	3202000	USD
CY2019Q4	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	4086000	USD
CY2020Q3	shak	Tax Receivable Agreement Liability Current TaxReceivableAgreementLiabilityCurrent	0	USD
CY2019Q4	shak	Tax Receivable Agreement Liability Current TaxReceivableAgreementLiabilityCurrent	7777000	USD
CY2020Q3	shak	Contract With Customer Gift Card Liability ContractWithCustomerGiftCardLiability	2205000	USD
CY2019Q4	shak	Contract With Customer Gift Card Liability ContractWithCustomerGiftCardLiability	2258000	USD
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1740000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1873000	USD
CY2020Q3	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	5433000	USD
CY2019Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	3505000	USD
CY2020Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	12580000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	19499000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	12144000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	11310000	USD
CY2020Q3	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	3492000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	3643000	USD
CY2020Q3	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	6192000	USD
CY2019Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	375000	USD
CY2020Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	21828000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	15328000	USD
CY2020Q3	shak	Other Liabilities Noncurrent Deferred Lease Incentive OtherLiabilitiesNoncurrentDeferredLeaseIncentive	3388000	USD
CY2020Q3	shak	Other Liabilities Noncurrent Deferred Social Security Taxes OtherLiabilitiesNoncurrentDeferredSocialSecurityTaxes	2461000	USD
CY2020Q3	us-gaap	Interest Costs Incurred InterestCostsIncurred	143000	USD
	us-gaap	Interest Costs Incurred InterestCostsIncurred	697000	USD
CY2019Q3	us-gaap	Interest Costs Incurred InterestCostsIncurred	133000	USD
	us-gaap	Interest Costs Incurred InterestCostsIncurred	302000	USD
	shak	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	2	option
CY2020Q3	us-gaap	Lessor Operating Lease Renewal Term LessorOperatingLeaseRenewalTerm	P5Y
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	5109000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	5444000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	305133000	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	274426000	USD
CY2020Q3	shak	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	310242000	USD
CY2019Q3	shak	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	279870000	USD
CY2020Q3	shak	Othercurrentliabilitiesfinanceleases Othercurrentliabilitiesfinanceleases	1740000	USD
CY2019Q3	shak	Othercurrentliabilitiesfinanceleases Othercurrentliabilitiesfinanceleases	1873000	USD
CY2020Q3	shak	Otherlongtermliabilitiesfinanceleases Otherlongtermliabilitiesfinanceleases	3493000	USD
CY2019Q3	shak	Otherlongtermliabilitiesfinanceleases Otherlongtermliabilitiesfinanceleases	3643000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	34859000	USD
CY2019Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	30002000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	336149000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	304914000	USD
CY2020Q3	shak	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	376241000	USD
CY2019Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	52000	USD
CY2019Q3	shak	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	340432000	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	531000	USD
CY2019Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	538000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1710000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1491000	USD
CY2020Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	51000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	161000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	148000	USD
CY2020Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	11506000	USD
CY2019Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	10564000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	33726000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	29329000	USD
CY2020Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	138000	USD
CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	279000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	331000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	313000	USD
CY2020Q3	us-gaap	Variable Lease Cost VariableLeaseCost	3267000	USD
CY2019Q3	us-gaap	Variable Lease Cost VariableLeaseCost	4338000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	9413000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	11636000	USD
CY2020Q3	us-gaap	Lease Cost LeaseCost	15493000	USD
CY2019Q3	us-gaap	Lease Cost LeaseCost	15771000	USD
	us-gaap	Lease Cost LeaseCost	45341000	USD
	us-gaap	Lease Cost LeaseCost	42917000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	527000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	16785000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1890000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	46943000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	1400000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	53151000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	896000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	53705000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	541000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	52785000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	406000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	268128000	USD
CY2020Q3	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	5660000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	491497000	USD
CY2020Q3	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	427000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	120489000	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	5233000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	371008000	USD
CY2020Q3	shak	Operating Lease For Non Cancellable Leases OperatingLeaseForNonCancellableLeases	45605000	USD
CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y3M18D
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M6D
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y9M18D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y1M6D
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.036
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.037
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.038
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.054
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	161000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	148000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	29449000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	27238000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1670000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1433000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1411000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1927000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	42502000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	65773000	USD
CY2020Q3	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Parent ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyParent	38280102	shares
CY2019Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Parent ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyParent	34417302	shares
CY2020Q3	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Noncontrolling Owners ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyNoncontrollingOwners	3112002	shares
CY2019Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Noncontrolling Owners ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyNoncontrollingOwners	3145197	shares
CY2020Q3	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares ConsolidationLessthanWhollyOwnedSubsidiaryNumberofShares	41392104	shares
CY2020Q3	shak	Noncontrolling Interest Total Ownership Percentage NoncontrollingInterestTotalOwnershipPercentage	1.000
CY2019Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares ConsolidationLessthanWhollyOwnedSubsidiaryNumberofShares	37562499	shares
CY2019Q4	shak	Noncontrolling Interest Total Ownership Percentage NoncontrollingInterestTotalOwnershipPercentage	1.000
CY2020Q3	shak	Noncontrolling Interest Weighted Average Ownership Percentage NoncontrollingInterestWeightedAverageOwnershipPercentage	0.075
	shak	Noncontrolling Interest Weighted Average Ownership Percentage NoncontrollingInterestWeightedAverageOwnershipPercentage	0.079
CY2019Q3	shak	Noncontrolling Interest Weighted Average Ownership Percentage NoncontrollingInterestWeightedAverageOwnershipPercentage	0.144
	shak	Noncontrolling Interest Weighted Average Ownership Percentage NoncontrollingInterestWeightedAverageOwnershipPercentage	0.179
CY2020Q3	shak	Tax Receivable Agreement Percentageof Tax Benefits Expectedtobe Realized TaxReceivableAgreementPercentageofTaxBenefitsExpectedtobeRealized	0.15
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-5559000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	10344000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-22730000	USD
	us-gaap	Net Income Loss NetIncomeLoss	21920000	USD
CY2020Q3	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	-5148000	USD
CY2019Q3	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	32985000	USD
	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	113854000	USD
	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	50971000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1339000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1879000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4058000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5751000	USD
CY2020Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	60000	USD
CY2019Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	48000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	135000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	141000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1339000	USD
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1879000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4058000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5751000	USD
CY2020Q3	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-1450000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019Q3	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1738000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-6725000	USD
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	5492000	USD
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020Q3	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-492000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.071
CY2019Q3	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	505000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.061
	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2192000	USD
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.068
	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1746000	USD
	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.067
CY2020Q3	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	504000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.073
CY2019Q3	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	655000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.079
	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	712000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.022
	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1624000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.062
CY2020Q3	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	701000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	-0.101
CY2019Q3	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	2874000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.347
	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1128000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	-0.035
	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4697000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.180
CY2020Q3	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Amount EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentAmount	-132000	USD
CY2020Q3	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Percent EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentPercent	0.019
CY2019Q3	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Amount EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentAmount	153000	USD
CY2019Q3	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Percent EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentPercent	0.018
	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Amount EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentAmount	-132000	USD
	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Percent EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentPercent	0.004
	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Amount EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentAmount	153000	USD
	shak	Effective Income Tax Rate Reconciliation Return To Provision Adjustment Percent EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentPercent	0.006
CY2020Q3	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	11000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	-0.002
CY2019Q3	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	346000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.042
	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	-411000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.013
	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	1291000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.049
CY2020Q3	shak	Taxeffectofchangeinbasisrelatedto Asc842adoption TaxeffectofchangeinbasisrelatedtoASC842adoption	0	USD
CY2020Q3	shak	Taxeffectofchangeinbasisrelatedto Asc842adoptionpercent TaxeffectofchangeinbasisrelatedtoASC842adoptionpercent	0
CY2019Q3	shak	Taxeffectofchangeinbasisrelatedto Asc842adoption TaxeffectofchangeinbasisrelatedtoASC842adoption	0	USD
CY2019Q3	shak	Taxeffectofchangeinbasisrelatedto Asc842adoptionpercent TaxeffectofchangeinbasisrelatedtoASC842adoptionpercent	0
	shak	Taxeffectofchangeinbasisrelatedto Asc842adoption TaxeffectofchangeinbasisrelatedtoASC842adoption	0	USD
	shak	Taxeffectofchangeinbasisrelatedto Asc842adoptionpercent TaxeffectofchangeinbasisrelatedtoASC842adoptionpercent	0
	shak	Taxeffectofchangeinbasisrelatedto Asc842adoption TaxeffectofchangeinbasisrelatedtoASC842adoption	1161000	USD
	shak	Taxeffectofchangeinbasisrelatedto Asc842adoptionpercent TaxeffectofchangeinbasisrelatedtoASC842adoptionpercent	0.044
CY2020Q3	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1221000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.177
CY2019Q3	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2587000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.312
	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1971000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.062
	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-3847000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.147
CY2020Q3	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2019Q3	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-82000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.010
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	17000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-82000	USD
	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.003
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-797000	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.115
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3144000	USD
CY2019Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.380
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6802000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.212
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-47000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.002
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.115
CY2019Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.380
CY2020Q3	shak	Noncontrolling Interest Ownership Percentageby Parent Weighted Average NoncontrollingInterestOwnershipPercentagebyParentWeightedAverage	0.925
CY2019Q3	shak	Noncontrolling Interest Ownership Percentageby Parent Weighted Average NoncontrollingInterestOwnershipPercentagebyParentWeightedAverage	0.856
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.212
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.002
	shak	Noncontrolling Interest Ownership Percentageby Parent Weighted Average NoncontrollingInterestOwnershipPercentagebyParentWeightedAverage	0.921
	shak	Noncontrolling Interest Ownership Percentageby Parent Weighted Average NoncontrollingInterestOwnershipPercentagebyParentWeightedAverage	0.821
	shak	Additional Deferred Tax Asset Recognized Investmentin Partnership AdditionalDeferredTaxAssetRecognizedInvestmentinPartnership	1562000	USD
	shak	Additional Deferred Tax Asset Recognized Tax Receivable Agreement AdditionalDeferredTaxAssetRecognizedTaxReceivableAgreement	116000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2020Q3	shak	Tax Receivable Agreement Percentageof Tax Benefits Dueto Equity Owners TaxReceivableAgreementPercentageofTaxBenefitsDuetoEquityOwners	0.85
	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	6643000	USD
	shak	Consolidated Entity Ownership By Parent Llc Units Acquired ConsolidatedEntityOwnershipByParentLLCUnitsAcquired	33195	shares
	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	414000	USD
CY2020Q3	shak	Tax Receivable Agreement Percentageof Tax Benefits Dueto Equity Owners TaxReceivableAgreementPercentageofTaxBenefitsDuetoEquityOwners	0.85
	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	707000	USD
CY2020Q3	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	228197000	USD
	shak	Additional Deferred Tax Asset Recognized Accelerated Tax Depreciation Deductions AdditionalDeferredTaxAssetRecognizedAcceleratedTaxDepreciationDeductions	446000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-6110000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	11423000	USD
	us-gaap	Profit Loss ProfitLoss	-25220000	USD
	us-gaap	Profit Loss ProfitLoss	26201000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-551000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1079000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-2490000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4281000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-5559000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	10344000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-22730000	USD
	us-gaap	Net Income Loss NetIncomeLoss	21920000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38251000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31961000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	36668000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	30549000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38251000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32916000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	36668000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31441000	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.15
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.62
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.72
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.15
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.62
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.70
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1270000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2483000	USD
	shak	Interest Paid Net Of Amounts Capitalized InterestPaidNetOfAmountsCapitalized	584000	USD
	shak	Interest Paid Net Of Amounts Capitalized InterestPaidNetOfAmountsCapitalized	157000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9544000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	17394000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	29000	USD
	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	79000	USD
	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	414000	USD
	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	20027000	USD
	us-gaap	Litigation Settlement Expense LitigationSettlementExpense	1200000	USD
CY2020Q3	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	1180000	USD
CY2020Q3	shak	Tax Receivable Agreement Percentageof Tax Benefits Dueto Equity Owners TaxReceivableAgreementPercentageofTaxBenefitsDuetoEquityOwners	0.85
	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	414000	USD
CY2019Q3	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	20027000	USD
CY2020Q3	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	228197000	USD
CY2019Q4	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	234426000	USD
CY2020Q3	shak	Tax Receivable Agreement Percentageof Tax Benefits Dueto Equity Owners TaxReceivableAgreementPercentageofTaxBenefitsDuetoEquityOwners	0.85
CY2020Q3	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	0	USD
CY2019Q3	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	0	USD
	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	6643000	USD
	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	707000	USD
CY2020Q3	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	228197000	USD
CY2019Q4	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	234426000	USD
CY2019Q4	shak	Distributionsto Noncontrolling Interests Payable DistributionstoNoncontrollingInterestsPayable	0	USD
CY2020Q3	shak	Distributionsto Noncontrolling Interests Payable DistributionstoNoncontrollingInterestsPayable	0	USD
CY2020Q3	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	164000	USD
CY2019Q3	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	39000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	478000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1706000	USD

Files In Submission

Name	View Source	Status
0001620533-20-000109-index-headers.html	Edgar Link	pending
0001620533-20-000109-index.html	Edgar Link	pending
0001620533-20-000109.txt	Edgar Link	pending
0001620533-20-000109-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
shak-20200923.htm	Edgar Link	pending
shak-20200923.xsd	Edgar Link	pending
shak-20200923exhibit311.htm	Edgar Link	pending
shak-20200923exhibit32.htm	Edgar Link	pending
shak-20200923_cal.xml	Edgar Link	unprocessable
shak-20200923_def.xml	Edgar Link	unprocessable
shak-20200923_g1.jpg	Edgar Link	pending
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shak-20200923_htm.xml	Edgar Link	completed
shak-20200923_lab.xml	Edgar Link	unprocessable
shak-20200923_pre.xml	Edgar Link	unprocessable
shak-2020923exhibit312.htm	Edgar Link	pending
Show.js	Edgar Link	pending

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$SHAK
Shake Shack Inc. Stock $shak

2020 Q3 Form 10-Q Financial Statement

#000162053320000109 Filed on October 30, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SHAK Shake Shack Inc. Stock $shak

2020 Q3 Form 10-Q Financial Statement

#000162053320000109 Filed on October 30, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SHAK
Shake Shack Inc. Stock $shak