$SHAK
Shake Shack Inc. Stock $shak

$shak Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000162053320000006 Filed on February 24, 2020

Income Statement

Concept	2018 Q4	2018 Q3	2018 Q2
Revenue	$124.3M	$119.6M	$116.3M
YoY Change	29.26%	26.46%	27.34%
Cost Of Revenue	$69.20M	$32.70M	$31.68M
YoY Change	33.85%	26.95%	28.19%
Gross Profit	$55.10M	$86.94M	$84.60M
YoY Change	24.1%	26.28%	27.03%
Gross Profit Margin	44.34%	72.67%	72.76%
Selling, General & Admin	$28.50M	$25.30M	$22.40M
YoY Change	31.34%	30.41%	20.43%
% of Gross Profit	51.72%	29.1%	26.48%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$8.090M	$7.439M	$6.968M
YoY Change	32.84%	32.74%	32.52%
% of Gross Profit	14.68%	8.56%	8.24%
Operating Expenses	$51.80M	$110.3M	$103.3M
YoY Change	35.25%	31.32%	29.76%
Operating Profit	$2.836M	$9.343M	$13.02M
YoY Change	-51.42%	-11.94%	10.91%
Interest Expense	-$300.0K	$592.0K	$613.0K
YoY Change	50.0%	24.63%	67.49%
% of Operating Profit	-10.58%	6.34%	4.71%
Other Income/Expense, Net	$100.0K		$100.0K
YoY Change	-99.92%
Pretax Income	$2.600M	$9.187M	$12.81M
YoY Change	-98.04%	-11.36%	10.74%
Income Tax	$3.200M	$2.241M	$2.240M
% Of Pretax Income	123.08%	24.39%	17.48%
Net Earnings	-$958.0K	$5.025M	$7.604M
YoY Change	-92.31%	0.56%	55.85%
Net Earnings / Revenue	-0.77%	4.2%	6.54%
Basic Earnings Per Share		$0.17	$0.27
Diluted Earnings Per Share	-$34.01K	$0.17	$0.26
COMMON SHARES
Basic Shares Outstanding		28.95M shares	27.80M shares
Diluted Shares Outstanding		29.88M shares	28.75M shares

Balance Sheet

Concept	2018 Q4	2018 Q3	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$86.90M	$91.10M	$92.30M
YoY Change	2.84%	1.0%	7.95%
Cash & Equivalents	$24.75M	$29.30M	$30.88M
Short-Term Investments	$62.10M	$61.80M	$61.40M
Other Short-Term Assets	$2.000M	$2.100M	$1.500M
YoY Change	11.11%	0.0%	-6.25%
Inventory	$1.749M	$1.378M	$1.238M
Prepaid Expenses
Receivables	$10.52M	$9.325M	$7.110M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$101.1M	$103.9M	$102.1M
YoY Change	8.5%	5.49%	9.57%
LONG-TERM ASSETS
Property, Plant & Equipment	$261.9M	$241.7M	$216.8M
YoY Change	39.96%	38.36%	35.15%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$5.026M	$3.682M	$3.835M
YoY Change	14.28%	-18.45%	-18.04%
Total Long-Term Assets	$509.4M	$488.4M	$434.6M
YoY Change	34.98%	-2.6%	-10.4%
TOTAL ASSETS
Total Short-Term Assets	$101.1M	$103.9M	$102.1M
Total Long-Term Assets	$509.4M	$488.4M	$434.6M
Total Assets	$610.5M	$592.3M	$536.7M
YoY Change	29.73%	-1.27%	-7.18%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$12.47M	$9.654M	$8.344M
YoY Change	51.85%	11.75%	-12.0%
Accrued Expenses	$22.80M	$22.76M	$15.99M
YoY Change	95.72%	72.67%	85.58%
Deferred Revenue	$307.0K	$291.0K	$305.0K
YoY Change	15.85%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$59.95M	$48.80M	$38.80M
YoY Change	76.19%	32.74%	17.2%
LONG-TERM LIABILITIES
Long-Term Debt	$20.80M	$19.90M	$18.30M
YoY Change	43.45%	50.76%	63.39%
Other Long-Term Liabilities	$10.50M	$7.522M	$7.256M
YoY Change	311.2%	185.68%	238.28%
Total Long-Term Liabilities	$10.50M	$7.522M	$7.256M
YoY Change	311.2%	185.68%	238.28%
TOTAL LIABILITIES
Total Short-Term Liabilities	$59.95M	$48.80M	$38.80M
Total Long-Term Liabilities	$10.50M	$7.522M	$7.256M
Total Liabilities	$337.1M	$320.7M	$280.3M
YoY Change	36.95%	-12.88%	-21.54%
SHAREHOLDERS EQUITY
Retained Earnings	$30.40M	$31.36M	$26.34M
YoY Change	85.4%	8.66%	10.36%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$226.1M	$224.2M	$204.0M
YoY Change
Total Liabilities & Shareholders Equity	$610.5M	$592.3M	$536.7M
YoY Change	29.73%	-1.27%	-7.18%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2018 Q2
OPERATING ACTIVITIES
Net Income	-$958.0K	$5.025M	$7.604M
YoY Change	-92.31%	0.56%	55.85%
Depreciation, Depletion And Amortization	$8.090M	$7.439M	$6.968M
YoY Change	32.84%	32.74%	32.52%
Cash From Operating Activities	$22.61M	$21.92M	$21.74M
YoY Change	33.71%	8.3%	-9.6%
INVESTING ACTIVITIES
Capital Expenditures	-$27.39M	-$23.78M	-$18.64M
YoY Change	34.59%	46.88%	57.17%
Acquisitions
YoY Change
Other Investing Activities	-$310.0K	-$340.0K	-$300.0K
YoY Change	138.46%	-477.78%	-94.23%
Cash From Investing Activities	-$27.69M	-$24.12M	-$18.94M
YoY Change	35.21%	49.72%	11.09%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	540.0K	620.0K	1.450M
YoY Change	-130.17%	100.0%	-617.86%
NET CHANGE
Cash From Operating Activities	22.61M	21.92M	21.74M
Cash From Investing Activities	-27.69M	-24.12M	-18.94M
Cash From Financing Activities	540.0K	620.0K	1.450M
Net Change In Cash	-4.540M	-1.580M	4.250M
YoY Change	-15.3%	-135.59%	-36.76%
FREE CASH FLOW
Cash From Operating Activities	$22.61M	$21.92M	$21.74M
Capital Expenditures	-$27.39M	-$23.78M	-$18.64M
Free Cash Flow	$50.00M	$45.70M	$40.38M
YoY Change	34.19%	25.45%	12.45%

Facts In Submission

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CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-25
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2019	dei	Entity File Number EntityFileNumber	001-36823
CY2019	dei	Entity Registrant Name EntityRegistrantName	SHAKE SHACK INC.
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CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	47-1941186
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	225 Varick Street
CY2019	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 301
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CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-16000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-47000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	13000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-47000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	13000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	24130000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	21961000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	8837000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4301000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	6772000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	9191000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19829000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	15189000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	224479000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	7805000	USD
CY2017Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	-1574000	USD
CY2019	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	5623000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-354000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	201353000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	8884000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-47000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	5732000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	7270000	USD
CY2017	shak	Adjustmentsto Additional Paidin Capital Tax Receivable Agreement AdjustmentstoAdditionalPaidinCapitalTaxReceivableAgreement	3059000	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1772000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	21948000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	13000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	6250000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4523000	USD
CY2018	shak	Adjustmentsto Additional Paidin Capital Tax Receivable Agreement AdjustmentstoAdditionalPaidinCapitalTaxReceivableAgreement	18567000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	751000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	273455000	USD
CY2018Q4	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	5195000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	24128000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	7700000	USD
CY2019	shak	Adjustmentsto Additional Paidin Capital Tax Receivable Agreement AdjustmentstoAdditionalPaidinCapitalTaxReceivableAgreement	5408000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1708000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	321985000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	24128000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	21948000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	8884000	USD
CY2019	us-gaap	Depreciation Depreciation	40392000	USD
CY2018	us-gaap	Depreciation Depreciation	29000000	USD
CY2017	us-gaap	Depreciation Depreciation	21704000	USD
CY2019	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	312000	USD
CY2018	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	0	USD
CY2017	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	0	USD
CY2019	shak	Amortizationofoperatingleaseassets Amortizationofoperatingleaseassets	40068000	USD
CY2018	shak	Amortizationofoperatingleaseassets Amortizationofoperatingleaseassets	0	USD
CY2017	shak	Amortizationofoperatingleaseassets Amortizationofoperatingleaseassets	0	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	7505000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	6143000	USD
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-1352000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-917000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-5530000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-608000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6064000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	788000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	146334000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	170000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	72000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	317000	USD
CY2019	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	22000	USD
CY2018	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	-16000	USD
CY2017	us-gaap	Marketable Securities Realized Gain Loss Excluding Other Than Temporary Impairments MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments	-5000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	338000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	78000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	127221000	USD
CY2019	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	194000	USD
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	USD
CY2017	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	0	USD
CY2019	shak	Gain Losson Sublease GainLossonSublease	0	USD
CY2018	shak	Gain Losson Sublease GainLossonSublease	672000	USD
CY2017	shak	Gain Losson Sublease GainLossonSublease	0	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-10726000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-6421000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	472000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	491000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	452000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-134000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	270000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2244000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	8245000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	2726000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	446000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4248000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3156000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1235000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	9856000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	7979000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	4388000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	799000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	4424000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	85395000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	70878000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	106507000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	87525000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	61533000	USD
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	1179000	USD
CY2018	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	1223000	USD
CY2017	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	7861000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	27000000	USD
CY2017	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	144000	USD
CY2019	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	1438000	USD
CY2018	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	860000	USD
CY2017	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-988000	USD
CY2019	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	0	USD
CY2018	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	1247000	USD
CY2017	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	1008000	USD
CY2019	shak	Increase Decreasein Longtermoperatingleaseliabilities IncreaseDecreaseinLongtermoperatingleaseliabilities	-37308000	USD
CY2018	shak	Increase Decreasein Longtermoperatingleaseliabilities IncreaseDecreaseinLongtermoperatingleaseliabilities	0	USD
CY2017	shak	Increase Decreasein Longtermoperatingleaseliabilities IncreaseDecreaseinLongtermoperatingleaseliabilities	0	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1372000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	6208000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1070000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	89857000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	2144000	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	7451000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-80686000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-86604000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-61943000	USD
CY2019	shak	Proceeds From Deemed Landlord Financing ProceedsFromDeemedLandlordFinancing	0	USD
CY2018	shak	Proceeds From Deemed Landlord Financing ProceedsFromDeemedLandlordFinancing	1382000	USD
CY2017	shak	Proceeds From Deemed Landlord Financing ProceedsFromDeemedLandlordFinancing	1183000	USD
CY2019	shak	Payments On Deemed Landlord Financing PaymentsOnDeemedLandlordFinancing	0	USD
CY2018	shak	Payments On Deemed Landlord Financing PaymentsOnDeemedLandlordFinancing	702000	USD
CY2017	shak	Payments On Deemed Landlord Financing PaymentsOnDeemedLandlordFinancing	266000	USD
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	286000	USD
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2019	shak	Payments Onprincipal On Finance Lease Liabilities PaymentsOnprincipalOnFinanceLeaseLiabilities	1926000	USD
CY2018	shak	Payments Onprincipal On Finance Lease Liabilities PaymentsOnprincipalOnFinanceLeaseLiabilities	0	USD
CY2017	shak	Payments Onprincipal On Finance Lease Liabilities PaymentsOnprincipalOnFinanceLeaseLiabilities	0	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1708000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	751000	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2379000	USD
CY2019	shak	Payments For Tax Receivable Agreement PaymentsForTaxReceivableAgreement	707000	USD
CY2018	shak	Payments For Tax Receivable Agreement PaymentsForTaxReceivableAgreement	0	USD
CY2017	shak	Payments For Tax Receivable Agreement PaymentsForTaxReceivableAgreement	4844000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	9201000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5472000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	7585000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1396000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	949000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	314000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	3178000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4452000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	965000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	12349000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	3243000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	9900000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	24750000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21507000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	11607000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	37099000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	24750000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	21507000	USD
CY2019Q4	us-gaap	Number Of Restaurants NumberOfRestaurants	275	Restaurant
CY2019	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	operating_segment
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	reportable_segment
CY2019	us-gaap	Fiscal Period FiscalPeriod	<div style="line-height:120%;padding-bottom:8px;padding-top:16px;font-size:12pt;"><span style="font-family:Arial Narrow;font-size:12pt;color:#619f42;font-weight:bold;">Fiscal Year</span></div><div style="line-height:120%;padding-bottom:13px;text-align:justify;font-size:10pt;"><span style="font-family:Arial Narrow;font-size:10pt;">We operate on a 52/53 week fiscal year ending on the last Wednesday in December. Fiscal years </span><span style="font-family:Arial Narrow;font-size:10pt;">2019</span><span style="font-family:Arial Narrow;font-size:10pt;">, </span><span style="font-family:Arial Narrow;font-size:10pt;">2018</span><span style="font-family:Arial Narrow;font-size:10pt;"> and </span><span style="font-family:Arial Narrow;font-size:10pt;">2017</span><span style="font-family:Arial Narrow;font-size:10pt;"> each contained 52 weeks and ended on </span><span style="font-family:Arial Narrow;font-size:10pt;">December 25, 2019</span><span style="font-family:Arial Narrow;font-size:10pt;">, </span><span style="font-family:Arial Narrow;font-size:10pt;">December 26, 2018</span><span style="font-family:Arial Narrow;font-size:10pt;"> and </span><span style="font-family:Arial Narrow;font-size:10pt;">December 27, 2017</span><span style="font-family:Arial Narrow;font-size:10pt;">, respectively. Unless otherwise stated, references to years in this report relate to fiscal years.</span></div>
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-bottom:8px;padding-top:16px;font-size:12pt;"><span style="font-family:Arial Narrow;font-size:12pt;color:#619f42;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;padding-bottom:13px;text-align:justify;font-size:10pt;"><span style="font-family:Arial Narrow;font-size:10pt;">The preparation of these consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of sales and expenses during the reporting period. Actual results could differ from those estimates.</span></div>
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	1437000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	1159000	USD
CY2019	shak	Lessee Leasing Arrangements Numberof Renewal Options LesseeLeasingArrangementsNumberofRenewalOptions	2	renewal_option
CY2017	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	357000	USD
CY2019	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	857000	USD
CY2018	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	399000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	594519000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	459310000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	358810000	USD
CY2019Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	16082000	USD
CY2019Q4	us-gaap	Accrued Liabilities For Unredeeemed Gift Cards AccruedLiabilitiesForUnredeeemedGiftCards	2258000	USD
CY2018Q4	us-gaap	Accrued Liabilities For Unredeeemed Gift Cards AccruedLiabilitiesForUnredeeemedGiftCards	1796000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	511000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	307000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	11310000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	10026000	USD
CY2019	us-gaap	Increase Decrease In Gift Card Liability IncreaseDecreaseInGiftCardLiability	524000	USD
CY2018	us-gaap	Increase Decrease In Gift Card Liability IncreaseDecreaseInGiftCardLiability	506000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	536000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	523000	USD
CY2019Q4	shak	Cash Cash Equivalentsand Availableforsale Debt Securities Amortized Cost CashCashEquivalentsandAvailableforsaleDebtSecuritiesAmortizedCost	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 Debt Securities CashCashEquivalentsandAvailableforsaleDebtSecurities	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
CY2018Q4	shak	Cash Cash Equivalentsand Availableforsale Debt Securities Amortized Cost CashCashEquivalentsandAvailableforsaleDebtSecuritiesAmortizedCost	86985000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	0	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	122000	USD
CY2018Q4	shak	Cash Cash Equivalentsand Availableforsale Debt Securities CashCashEquivalentsandAvailableforsaleDebtSecurities	86863000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	24750000	USD
CY2018Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	62113000	USD
CY2019	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	194000	USD
CY2018	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	-61000	USD
CY2018	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	18000	USD
CY2017	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	49000	USD
CY2019	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1244000	USD
CY2018	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1392000	USD
CY2017	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	830000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	0	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	9000	USD
CY2017	us-gaap	Investment Income Interest InvestmentIncomeInterest	77000	USD
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	22000	USD
CY2018	us-gaap	Gain Loss On Investments GainLossOnInvestments	-3000	USD
CY2017	us-gaap	Gain Loss On Investments GainLossOnInvestments	-5000	USD
CY2019	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	194000	USD
CY2018	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	-61000	USD
CY2017	us-gaap	Unrealized Gain Loss On Securities UnrealizedGainLossOnSecurities	0	USD
CY2019	us-gaap	Other Income OtherIncome	1460000	USD
CY2018	us-gaap	Other Income OtherIncome	1337000	USD
CY2017	us-gaap	Other Income OtherIncome	902000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	27000000	USD
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2144000	USD
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2223000	USD
CY2019	shak	Availableforsale Securities Amortized Cost Basis Securities Sold AvailableforsaleSecuritiesAmortizedCostBasisSecuritiesSold	26978000	USD
CY2018	shak	Availableforsale Securities Amortized Cost Basis Securities Sold AvailableforsaleSecuritiesAmortizedCostBasisSecuritiesSold	2160000	USD
CY2017	shak	Availableforsale Securities Amortized Cost Basis Securities Sold AvailableforsaleSecuritiesAmortizedCostBasisSecuritiesSold	2271000	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	36000	USD
CY2018	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	2000	USD
CY2017	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1000	USD
CY2019	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	14000	USD
CY2018Q4	us-gaap	Credit Card Receivables CreditCardReceivables	2446000	USD
CY2019Q4	us-gaap	Other Receivables OtherReceivables	2043000	USD
CY2018Q4	us-gaap	Other Receivables OtherReceivables	1004000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	9970000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-16000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-47000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019Q4	us-gaap	Lease Incentive Receivable LeaseIncentiveReceivable	0	USD
CY2018Q4	us-gaap	Lease Incentive Receivable LeaseIncentiveReceivable	4494000	USD
CY2019Q4	shak	Franchise Receivable FranchiseReceivable	4510000	USD
CY2018Q4	shak	Franchise Receivable FranchiseReceivable	2579000	USD
CY2019Q4	us-gaap	Credit Card Receivables CreditCardReceivables	3417000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	10523000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	2221000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	1749000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	436648000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	347301000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	121786000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	85447000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	314862000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	261854000	USD
CY2019	us-gaap	Depreciation Depreciation	40392000	USD
CY2018	us-gaap	Depreciation Depreciation	29000000	USD
CY2017	us-gaap	Depreciation Depreciation	21704000	USD
CY2019Q4	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	4086000	USD
CY2018Q4	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	3143000	USD
CY2018Q4	shak	Deemed Landlord Financing Liability DeemedLandlordFinancingLiability	20846000	USD
CY2019Q3	shak	Deemed Landlord Financing Liability DeemedLandlordFinancingLiability	0	USD
	shak	Lessee Operating Lease Number Of Renewal Options LesseeOperatingLeaseNumberOfRenewalOptions	2	option
CY2019Q4	shak	Tax Receivable Agreement Liability Current TaxReceivableAgreementLiabilityCurrent	7777000	USD
CY2018Q4	shak	Tax Receivable Agreement Liability Current TaxReceivableAgreementLiabilityCurrent	5804000	USD
CY2019Q4	us-gaap	Accrued Liabilities For Unredeeemed Gift Cards AccruedLiabilitiesForUnredeeemedGiftCards	2258000	USD
CY2018Q4	us-gaap	Accrued Liabilities For Unredeeemed Gift Cards AccruedLiabilitiesForUnredeeemedGiftCards	1796000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1873000	USD
CY2018Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	0	USD
CY2019Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	3505000	USD
CY2018Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	3287000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	19499000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	14030000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	11310000	USD
CY2018Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	10026000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	3643000	USD
CY2018Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	USD
CY2019Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	375000	USD
CY2018Q4	us-gaap	Other Sundry Liabilities Noncurrent OtherSundryLiabilitiesNoncurrent	472000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	15328000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	10498000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	334916000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	5516000	USD
CY2019	us-gaap	Interest Costs Incurred InterestCostsIncurred	434000	USD
CY2018	us-gaap	Interest Costs Incurred InterestCostsIncurred	2572000	USD
CY2017	us-gaap	Interest Costs Incurred InterestCostsIncurred	1806000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	157000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	164000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	5444000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	274426000	USD
CY2019Q4	shak	Operating And Finance Lease Right Of Use Asset OperatingAndFinanceLeaseRightOfUseAsset	279870000	USD
CY2019Q4	shak	Othercurrentliabilitiesfinanceleases Othercurrentliabilitiesfinanceleases	1873000	USD
CY2019Q4	shak	Otherlongtermliabilitiesfinanceleases Otherlongtermliabilitiesfinanceleases	3643000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	30002000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	304914000	USD
CY2019Q4	shak	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	340432000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1998000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	193000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	40068000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	394000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	16060000	USD
CY2019	us-gaap	Lease Cost LeaseCost	58713000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	2051000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	50649000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	1445000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	46521000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	989000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	47285000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	743000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	47379000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	472000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	45979000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	255000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	223507000	USD
CY2019Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	5955000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	461320000	USD
CY2019Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	439000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	389000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	126404000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	5516000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	334916000	USD
CY2019Q4	shak	Operating Lease For Non Cancellable Leases OperatingLeaseForNonCancellableLeases	67760000	USD
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y1M6D
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.037
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.054
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	193000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	37468000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1926000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	2831000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	65556000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	772000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	509000	USD
CY2019Q3	shak	Effectof Gramercy Tavern Merger Shares Conversionof Unit EffectofGramercyTavernMergerSharesConversionofUnit	2690263	shares
CY2019Q3	shak	Effectof Gramercy Tavern Merger Shares Conversionof Unit EffectofGramercyTavernMergerSharesConversionofUnit	2690263	shares
CY2018Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Noncontrolling Owners ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyNoncontrollingOwners	7557347	shares
CY2019Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Parent ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyParent	34417302	shares
CY2019Q4	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.916
CY2018Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Parent ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyParent	29520833	shares
CY2018Q4	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.796
CY2019Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares Heldby Noncontrolling Owners ConsolidationLessthanWhollyOwnedSubsidiaryNumberofSharesHeldbyNoncontrollingOwners	3145197	shares
CY2019Q4	us-gaap	Minority Interest Ownership Percentage By Noncontrolling Owners MinorityInterestOwnershipPercentageByNoncontrollingOwners	0.084
CY2018Q4	us-gaap	Minority Interest Ownership Percentage By Noncontrolling Owners MinorityInterestOwnershipPercentageByNoncontrollingOwners	0.204
CY2019Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares ConsolidationLessthanWhollyOwnedSubsidiaryNumberofShares	37562499	shares
CY2019Q4	shak	Noncontrolling Interest Total Ownership Percentage NoncontrollingInterestTotalOwnershipPercentage	1.000
CY2018Q4	shak	Consolidation Lessthan Wholly Owned Subsidiary Numberof Shares ConsolidationLessthanWhollyOwnedSubsidiaryNumberofShares	37078180	shares
CY2018Q4	shak	Noncontrolling Interest Total Ownership Percentage NoncontrollingInterestTotalOwnershipPercentage	1.000
CY2019	shak	Noncontrolling Interest Weighted Average Ownership Percentage NoncontrollingInterestWeightedAverageOwnershipPercentage	0.159
CY2018	shak	Noncontrolling Interest Weighted Average Ownership Percentage NoncontrollingInterestWeightedAverageOwnershipPercentage	0.234
CY2019	us-gaap	Net Income Loss NetIncomeLoss	19827000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	15179000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-320000	USD
CY2019	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	55498000	USD
CY2018	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	32900000	USD
CY2017	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	8512000	USD
CY2019Q3	shak	Effectof Gramercy Tavern Merger Shares Conversionof Unit EffectofGramercyTavernMergerSharesConversionofUnit	2690263	shares
CY2019	shak	Consolidated Entity Ownership By Parent Number Of Units Acquired ConsolidatedEntityOwnershipByParentNumberOfUnitsAcquired	4412150	shares
CY2019Q4	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.916
CY2018	shak	Consolidated Entity Ownership By Parent Number Of Units Acquired ConsolidatedEntityOwnershipByParentNumberOfUnitsAcquired	2692660	shares
CY2018	shak	Consolidated Entity Ownership By Parent Number Of Units Acquired ConsolidatedEntityOwnershipByParentNumberOfUnitsAcquired	2692660	shares
CY2018Q4	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.796
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7505000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6143000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5623000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	188000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	172000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	198000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7505000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6143000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5623000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	195000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	107000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	109000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	11797000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	21595000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	152204000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	15717000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	9215000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	8089000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	27514000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	30810000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	160293000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2984000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5281000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	518000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4283000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	858000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3615000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2183000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1935000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	942000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9450000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	8074000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	5075000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-5643000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-210000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	145139000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-421000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	998000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1195000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-6064000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	788000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	146334000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3386000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8862000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	151409000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6470000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	56103000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3924000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	5778000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.142
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	797000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.026
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2590000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.016
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	2183000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.079
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1935000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.063
CY2017	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	942000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.006
CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	3007000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.109
CY2018	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	2151000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.070
CY2017	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	1230000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits EffectiveIncomeTaxRateReconciliationTaxCredits	0.008
CY2019	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	1405000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.051
CY2018	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	1908000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Minority Interest Income Expense EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense	0.062
CY2017	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	3273000	USD
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CY2019	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit	0	USD
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CY2018	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefit	0	USD
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CY2018	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit Other Rate Changes TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefitOtherRateChanges	-3794000	USD
CY2018	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Deferred Tax Liability Provisional Income Tax Expense Benefit Other Rate Changes Percent TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateDeferredTaxLiabilityProvisionalIncomeTaxExpenseBenefitOtherRateChangesPercent	-0.123
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CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.014
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CY2018	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Provisional Income Tax Expense Benefit Remeasurementoftax Receivable Agreement Liability TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateProvisionalIncomeTaxExpenseBenefitRemeasurementoftaxReceivableAgreementLiability	0	USD
CY2018	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Provisional Income Tax Expense Benefit Remeasurementoftax Receivable Agreement Liability Percent TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateProvisionalIncomeTaxExpenseBenefitRemeasurementoftaxReceivableAgreementLiabilityPercent	0
CY2017	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Provisional Income Tax Expense Benefit Remeasurementoftax Receivable Agreement Liability TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateProvisionalIncomeTaxExpenseBenefitRemeasurementoftaxReceivableAgreementLiability	44051000	USD
CY2017	shak	Tax Cutsand Jobs Actof2017 Incomplete Accounting Changein Tax Rate Provisional Income Tax Expense Benefit Remeasurementoftax Receivable Agreement Liability Percent TaxCutsandJobsActof2017IncompleteAccountingChangeinTaxRateProvisionalIncomeTaxExpenseBenefitRemeasurementoftaxReceivableAgreementLiabilityPercent	0.274
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-4669000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.170
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	374000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-75000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.002
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	35000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3386000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.123
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8862000	USD
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.945
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.123
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.288
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.945
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Incomplete Accounting Provisional Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit	138636000	USD
CY2019Q4	shak	Deferred Tax Asset Investmentin Partnership DeferredTaxAssetInvestmentinPartnership	179363000	USD
CY2018Q4	shak	Deferred Tax Asset Investmentin Partnership DeferredTaxAssetInvestmentinPartnership	168451000	USD
CY2019Q4	shak	Deferred Tax Assets Tax Receivable Agreement DeferredTaxAssetsTaxReceivableAgreement	65679000	USD
CY2018Q4	shak	Deferred Tax Assets Tax Receivable Agreement DeferredTaxAssetsTaxReceivableAgreement	57203000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	0	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	1109000	USD
CY2019Q4	shak	Deferred Tax Assets Operating Lease DeferredTaxAssetsOperatingLease	4768000	USD
CY2018Q4	shak	Deferred Tax Assets Operating Lease DeferredTaxAssetsOperatingLease	0	USD
CY2019Q4	shak	Deferred Tax Asset Finance Lease DeferredTaxAssetFinanceLease	78000	USD
CY2018Q4	shak	Deferred Tax Asset Finance Lease DeferredTaxAssetFinanceLease	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	199000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	184000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	347000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	375000	USD
CY2019Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	26058000	USD
CY2018Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	18046000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	8419000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	5194000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	398000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	331000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	285309000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	250893000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	954000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	6925000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	284355000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	243968000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	585000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1435000	USD
CY2019Q4	shak	Deferred Tax Liabilities Rightofuseasset Operating Lease DeferredTaxLiabilitiesRightofuseassetOperatingLease	3876000	USD
CY2018Q4	shak	Deferred Tax Liabilities Rightofuseasset Operating Lease DeferredTaxLiabilitiesRightofuseassetOperatingLease	0	USD
CY2019Q4	shak	Deferred Tax Liabilities Rightofuseasset Finance Lease DeferredTaxLiabilitiesRightofuseassetFinanceLease	77000	USD
CY2018Q4	shak	Deferred Tax Liabilities Rightofuseasset Finance Lease DeferredTaxLiabilitiesRightofuseassetFinanceLease	0	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	4538000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1435000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	279817000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	242533000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	104821000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	67371000	USD
CY2019	shak	Additional Deferred Tax Asset Recognized Investmentin Partnership AdditionalDeferredTaxAssetRecognizedInvestmentinPartnership	27195000	USD
CY2019	shak	Amortization Of Deferred Tax Asset Investment In Partnership AmortizationOfDeferredTaxAssetInvestmentInPartnership	14101000	USD
CY2019	shak	Additional Deferred Tax Asset Recognized Tax Receivable Agreement AdditionalDeferredTaxAssetRecognizedTaxReceivableAgreement	8999000	USD
CY2019	shak	Other Incomerelatedtoadditionaltaxbasison Tra OtherIncomerelatedtoadditionaltaxbasisonTRA	-808000	USD
CY2019Q4	shak	Deferred Tax Asset Valuation Allowance Other DeferredTaxAssetValuationAllowanceOther	954000	USD
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CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2019Q4	shak	Tax Receivable Agreement Percentageof Tax Benefits Dueto Equity Owners TaxReceivableAgreementPercentageofTaxBenefitsDuetoEquityOwners	0.85
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CY2019	shak	Consolidated Entity Ownership By Parent Llc Units Acquired ConsolidatedEntityOwnershipByParentLLCUnitsAcquired	1721887	shares
CY2019Q4	shak	Tax Receivable Agreement Percentageof Tax Benefits Dueto Equity Owners TaxReceivableAgreementPercentageofTaxBenefitsDuetoEquityOwners	0.85
CY2019Q4	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	234426000	USD
CY2019Q4	shak	Tax Receivable Agreement Liability Current TaxReceivableAgreementLiabilityCurrent	7777000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	24128000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	21948000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	8884000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4301000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	6769000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	9204000	USD
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	25876000	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.54
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2019	us-gaap	Net Income Loss NetIncomeLoss	19827000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	15179000	USD
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
CY2017	us-gaap	Net Income Loss NetIncomeLoss	-320000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31381000	shares
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CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25876000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	32251000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29179000	shares
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3044000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3272000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2261000	USD
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CY2018	shak	Interest Paid Net Of Amounts Capitalized InterestPaidNetOfAmountsCapitalized	2261000	USD
CY2017	shak	Interest Paid Net Of Amounts Capitalized InterestPaidNetOfAmountsCapitalized	1106000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	12620000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	17443000	USD
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7526000	USD
CY2019	shak	Noncash Deemed Landlord Financing NoncashDeemedLandlordFinancing	0	USD
CY2018	shak	Noncash Deemed Landlord Financing NoncashDeemedLandlordFinancing	5443000	USD
CY2017	shak	Noncash Deemed Landlord Financing NoncashDeemedLandlordFinancing	10125000	USD
CY2019	shak	Sharebased Payment Arrangement Amount Capitalizedinto Other Assets SharebasedPaymentArrangementAmountCapitalizedintoOtherAssets	101000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	107000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	109000	USD
CY2019	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	32065000	USD
CY2018	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	44338000	USD
CY2017	shak	Establishmentof Liabilities Under Tax Receivable Agreement EstablishmentofLiabilitiesUnderTaxReceivableAgreement	18973000	USD
CY2019Q4	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	234426000	USD
CY2019Q4	shak	Tax Receivable Agreement Percentageof Tax Benefits Dueto Equity Owners TaxReceivableAgreementPercentageofTaxBenefitsDuetoEquityOwners	0.85
CY2019	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	707000	USD
CY2018	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	0	USD
CY2019Q3	shak	Tax Receivable Agreement Payments To Related Parties TaxReceivableAgreementPaymentsToRelatedParties	4910000	USD
CY2019Q4	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	234426000	USD
CY2018Q4	shak	Tax Receivable Agreement Liability Currentand Noncurrent TaxReceivableAgreementLiabilityCurrentandNoncurrent	203725000	USD
CY2019	us-gaap	Partners Capital Account Distributions PartnersCapitalAccountDistributions	0	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1708000	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	751000	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2379000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	594519000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	459310000	USD
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	358810000	USD
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	132609000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	152713000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	157762000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	151435000	USD
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	5162000	USD
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	11871000	USD
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	8164000	USD
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	488000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	3607000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	11171000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	11423000	USD
CY2019Q4	us-gaap	Profit Loss ProfitLoss	-2073000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	2546000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	9030000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	10344000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-2093000	USD
CY2019Q1	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	0.09
CY2019Q2	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	0.30
CY2019Q3	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	0.32
CY2019Q4	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	-0.06
CY2019Q1	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	0.08
CY2019Q2	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	0.29
CY2019Q3	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	0.31
CY2019Q4	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	-0.06
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	99116000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	116282000	USD
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	119647000	USD
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	124265000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	6514000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	13018000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	9343000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	2836000	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	4979000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	10571000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	6946000	USD
CY2018Q4	us-gaap	Profit Loss ProfitLoss	-548000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	3508000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	7604000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	5025000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	-958000	USD
CY2018Q1	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	0.13
CY2018Q2	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	0.27
CY2018Q3	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	0.17
CY2018Q4	us-gaap	Basic Earnings Per Share Pro Forma BasicEarningsPerShareProForma	-0.03
CY2018Q1	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	0.13
CY2018Q2	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	0.26
CY2018Q3	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	0.17
CY2018Q4	us-gaap	Diluted Earnings Per Share Pro Forma DilutedEarningsPerShareProForma	-0.03
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	0	USD

Files In Submission

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$SHAK
Shake Shack Inc. Stock $shak

2018 Q4 Form 10-K Financial Statement

#000162053320000006 Filed on February 24, 2020

Income Statement

Balance Sheet

Cashflow Statement

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$SHAK Shake Shack Inc. Stock $shak

2018 Q4 Form 10-K Financial Statement

#000162053320000006 Filed on February 24, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SHAK
Shake Shack Inc. Stock $shak