Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Limited Liability Company Limited Liability Company [Member] Weighted-average shares of Class A common stock outstanding: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] 2024 Facility Closing 2024 Facility Closing [Member] 2024 Facility Closing Title of 12(b) Security Title of 12(b) Security Document fiscal year focus Document Fiscal Year Focus License term Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Madison Square Park Conservancy ("MSP Conservancy") Madison Square Park Conservancy ("MSP Conservancy") [Member] Madison Square Park Conservancy ("MSP Conservancy") Preferred stock, par value (in dollars per share) Preferred Stock, No Par Value Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Food and paper costs Operating Materials Expense Operating Materials Expense Common stock Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Employee withholding taxes related to net settled equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Interest expense Interest expense Interest Expense, Operating and Nonoperating Accrued wages and related liabilities Employee-related Liabilities, Current Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] LEASES Lessee, Finance Leases [Text Block] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Contract with customer, asset, net Contract with Customer, Asset, after Allowance for Credit Loss Shack sales Shack sales Shack Sales [Member] Shack Sales [Member] 2027 Finance Lease, Liability, to be Paid, Year One Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Prepaid Expenses and Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Conversion price (in dollars per share) Debt Instrument, Convertible, Conversion Price Amendment flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] Conversion rate Conversion of Stock, Shares Converted Other Other Sundry Liabilities, Current Entity common stock, shares outstanding (in shares) Entity Common Stock, Shares Outstanding Financing cash flows from finance leases Finance Lease, Principal Payments Franchisor Disclosure [Domain] Franchisor Disclosure [Domain] Loss Contingencies [Table] Loss Contingencies [Table] Leases [Abstract] Leases [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Distributions paid to non-controlling interest holders Distributions paid to non-controlling interest holders Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Common stock par value (in dollars per share) Common Stock, Par or Stated Value Per Share Change in foreign currency translation adjustment Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Gift card liability Contract With Customer, Gift Card Liability, Current Contract With Customer, Gift Card Liability, Current Cash and Cash Equivalents [Abstract] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Basic (in shares) Weighted average shares of Class A common stock outstanding—basic Weighted Average Number of Shares Outstanding, Basic Redemption of LLC Interests [Domain] Redemption of LLC Interests [Domain] [Domain] for Redemption of LLC Interests [Axis] Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Number of reportable segments Number of Reportable Segments Operating Leases Lessee, Operating Lease, Description [Abstract] Total current liabilities Liabilities, Current 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Finance Leases Lessee, Finance Lease, Description [Abstract] Total lease cost Lease, Cost [Abstract] Entity Address, City or Town Entity Address, City or Town Schedule of Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Non-Controlling Interest Holders Non-Controlling Interest Holders [Member] Non-Controlling Interest Holders [Member] Non-cash operating lease cost Amortization of operating lease assets Amortization of operating lease assets Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income attributable to Shake Shack Inc.—basic Net Income (Loss) Available to Common Stockholders, Basic Schedule Of Obligations Under Tax Receivable Agreement Schedule Of Obligations Under Tax Receivable Agreement [Table Text Block] Schedule Of Obligations Under Tax Receivable Agreement Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity OTHER COMPREHENSIVE LOSS Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Reportable Segment Reportable Segment [Member] Reportable Segment Capitalized equity-based compensation Share-Based Payment Arrangement, Amount Capitalized Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accrued purchases of property and equipment Capital Expenditures Incurred but Not yet Paid Deferred revenue Increase (Decrease) in Contract with Customer, Liability Impairments, loss on disposal of assets, and Shack closures Gain (Loss) on Disposition of Property Plant Equipment Segment Reporting Segment Reporting [Table Text Block] Non- Controlling Interest Noncontrolling Interest [Member] Other comprehensive loss, net of tax: Other Comprehensive Income (Loss), before Tax [Abstract] Use of Estimates Use of Estimates, Policy [Policy Text Block] Amortization of debt issuance costs Amortization expense on Convertible Notes Amortization of Debt Issuance Costs Related Party [Axis] Related and Nonrelated Parties [Axis] NON-CONTROLLING INTERESTS Noncontrolling Interest Disclosure [Text Block] Less: Segment Reporting, Reconciliation [Abstract] Long-term debt Long-term debt Long-Term Debt Lessee, Operating Lease, Liability, Maturity Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Document Period End Date Document Period End Date NET CASH USED IN INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Aggregate principal amount Debt Instrument, Face Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Security Exchange Name Security Exchange Name Threshold business days Debt Instrument, Convertible, Threshold Business Days Debt Instrument, Convertible, Threshold Business Days Net income attributable to Shake Shack Inc.—diluted Net Income (Loss) Attributable to Parent, Diluted Thereafter Finance Lease, Liability, to be Paid, after Year Four Finance Lease, Liability, to be Paid, after Year Four Fiscal Year Fiscal Period, Policy [Policy Text Block] SUPPLEMENTAL CASH FLOW INFORMATION Cash Flow, Supplemental Disclosures [Text Block] Finance leases Finance Lease, Weighted Average Remaining Lease Term Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Class B Common Stock Common Class B [Member] Consolidation Items [Domain] Consolidation Items [Domain] Operating lease liabilities, current Operating Lease, Liability, Current Total deferred tax assets related to the acquisition of LLC Interests Deferred Tax Asset, Investment in Partnership Deferred Tax Asset, Investment in Partnership Finance lease right-of-use asset Finance Lease, Right-of-Use Asset, after Accumulated Amortization Third Amendment and Restated Credit Arrangement Third Amended and Restated Credit Agreement [Member] Third Amended and Restated Credit Agreement [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings per share of Class A common stock: Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document fiscal period focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Non-cash financing activities: Non-Cash Financing Activities [Abstract] Non-Cash Financing Activities [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Shake Shack's weighted average ownership percentages (in percent) Noncontrolling Interest, Ownership Percentage by Parent, Weighted Average Noncontrolling Interest, Ownership Percentage by Parent, Weighted Average Ownership percent of noncontrolling interest Number of LLC Interests held by Shake Shack Inc. (as a percentage) Subsidiary, Ownership Percentage, Parent Convertible Notes Long-Term Debt, Gross Numerator: Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization expense Depreciation, Depletion and Amortization, Nonproduction Related Party Transactions [Abstract] Related Party Transactions [Abstract] OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Weighted average shares of Class A common stock outstanding—diluted Weighted Average Number of Shares Outstanding, Diluted Impairments, loss on disposal of assets, and Shack closures Gain (Loss) on Sale of Assets and Asset Impairment Charges Licensing revenue Franchise [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] 2028 Finance Lease, Liability, to be Paid, Year Two Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2030 Finance Lease, Liability, to be Paid, Year Four Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Number of restaurants closed Restructuring And Related Cost, Number Of Facilities Closed Restructuring And Related Cost, Number Of Facilities Closed Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Other assets Increase (Decrease) in Other Noncurrent Assets Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Less: imputed interest Finance Lease, Liability, Undiscounted Excess Amount Operating cash flows from operating leases Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Letters of credit outstanding Letters of Credit Outstanding, Amount 0% Convertible Senior Notes Due 2028 0% Convertible Senior Notes Due 2028 [Member] 0% Convertible Senior Notes Due 2028 Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Equity-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Effective income tax rates (in percentage) Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Total minimum payments Lessee, Operating Lease, Liability, to be Paid Incremental common shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Changes in operating assets and liabilities: Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract] All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Operating lease assets Operating Lease, Right-of-Use Asset Operating leases: Operating Lease, Liability [Abstract] Finance leases: Finance Lease, Liability [Abstract] Schedule of Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Impairments, loss on disposal of assets, and Shack closures Gain (Loss) On Sale Of Assets, Asset Impairments Non-Cash Components Gain (Loss) On Sale Of Assets, Asset Impairments Non-Cash Components Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] SEGMENT REPORTING Segment Reporting [Text Block] Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Current liabilities: Liabilities [Abstract] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Fair value of convertible notes Convertible Debt, Fair Value Disclosures Debt Conversion Description [Axis] Debt Conversion Description [Axis] Non-cash investing activities: Non-Cash Investing Items [Abstract] Non-Cash Investing Items [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Exercise Price Award Exercise Price INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] DEBT Debt Disclosure [Text Block] Discount and debt issuance costs, net of amortization Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adoption Date Trading Arrangement Adoption Date Finance leases Finance Lease, Weighted Average Discount Rate, Percent Counterparty Name [Domain] Counterparty Name [Domain] Interest rate (in percent) Debt Instrument, Interest Rate, Stated Percentage Total stockholders' equity attributable to Shake Shack Inc. Equity, Attributable to Parent Schedule of Deferred Tax Assets Schedule of Deferred Tax Assets [Table Text Block] Schedule of Deferred Tax Assets Restructuring Type [Axis] Restructuring Type [Axis] Tenant allowance receivables Tenant Allowance Receivables, Current Tenant Allowance Receivables, Current ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other Liabilities, Current Other Liabilities, Current [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total lease liabilities Operating Lease, Liability Insider Trading Policies and Procedures [Line Items] Total lease liabilities Finance Lease, Liability Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance stock units Performance stock units Performance Shares [Member] Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Deferred income taxes Deferred Income Tax Expense (Benefit) Private Placement Private Placement [Member] SUPPLEMENTAL BALANCE SHEET INFORMATION Supplemental Balance Sheet Disclosures [Text Block] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Letter of Credit Letter of Credit [Member] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments Antidilutive shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of LLC Interests held by non-controlling interest holders (in shares) Consolidation, Less than Wholly Owned Subsidiary, Number of Shares Held by Noncontrolling Owners Consolidation, Less than Wholly Owned Subsidiary, Number of Shares Held by Noncontrolling Owners Restricted stock units Restricted stock units Restricted Stock Units (RSUs) [Member] Interest, net of amounts capitalized Interest Paid, Net Of Amounts Capitalized Interest Paid, Net Of Amounts Capitalized Entity central index key Entity Central Index Key Accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization All Adjustments to Compensation All Adjustments to Compensation [Member] Non-controlling interest holders' weighted average ownership percentages Noncontrolling Interest, Weighted Average Ownership Percentage Noncontrolling Interest, Weighted Average Ownership Percentage Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] NET CASH PROVIDED BY OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Company-operated Entity Operated Units [Member] Income Statement [Abstract] Income Statement [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Ownership [Axis] Ownership [Axis] Total effect of changes in ownership interest on equity attributable to Shake Shack Inc. Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net Shack-level operating expenses: Operating Expenses [Abstract] Deferred income taxes, net Deferred Income Tax Assets, Net Other long-term liabilities Finance Lease, Liability, Noncurrent Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Foreign Tax Credit Foreign Tax Credit [Member] Foreign Tax Credit Basis spread on variable rate (in percent) Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Variable Rate [Domain] Variable Rate [Domain] Total minimum payments Finance Lease, Liability, to be Paid Redemption of LLC Interests Stock Issued During Period, Value, Conversion of Units Accumulated Other Comprehensive Loss Unrealized holding gains on equity securities AOCI Attributable to Parent [Member] Document Information [Table] Document Information [Table] Shake Shack Inc. Shake Shack Inc. [Member] Shake Shack Inc. [Member] All Individuals All Individuals [Member] Operating lease liabilities Increase (Decrease) in Long-term operating lease liabilities Increase (Decrease) in Long-term operating lease liabilities Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] TOTAL ASSETS Net assets held by SSE holders Assets Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Weighted average discount rate: Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate Redemption of LLC Interests Redemption of LLC Interests [Table Text Block] Redemption of LLC Interests [Table Text Block] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Convertible Notes Convertible Debt [Member] Current portion of liabilities under tax receivable agreement Tax Receivable Agreement Liability, Current Tax Receivable Agreement Liability, Current Ratio of common stock to limited liability company interest Stockholders' Equity Note, Ratio of Common Stock to Limited Liability Company Interest Stockholders' Equity Note, Ratio of Common Stock to Limited Liability Company Interest Operating Segments Operating Segments [Member] EQUITY-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] Schedule Of Weighted Average Ownership Interest Schedule Of Weighted Average Ownership Interest [Table Text Block] Schedule Of Weighted Average Ownership Interest Occupancy and related expenses Occupancy, Net PEO PEO [Member] Equity-based compensation expense Share-Based Payment Arrangement, Expense Shares of Class B common stock surrendered and canceled (in shares) Stock Repurchased and Retired During Period, Shares Other long-term liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Percentage of tax benefits expected to be realized Tax Receivable Agreement, Percentage of Tax Benefits Expected to be Realized Tax Receivable Agreement, Percentage of Tax Benefits Expected to be Realized Licensing receivables, net of allowance for doubtful accounts Franchisor [Member] Retained Earnings Retained Earnings [Member] Long-term operating lease liabilities Long-term operating lease liabilities Operating Lease, Liability, Noncurrent TOTAL EXPENSES Operating Expenses Revolving Credit Facility Revolving Credit Facility [Member] Redemptions by NCI Holders Redemptions by NCI Holders [Member] Redemptions by NCI Holders [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Beginning balance (shares) Ending balance (shares) Common stock, shares, outstanding (in shares) Common Stock, Shares, Outstanding Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] Diluted (in dollars per share) Earnings per share of Class A common stock—diluted (in dollars per share) Earnings Per Share, Diluted Entity current reporting status Entity Current Reporting Status NET CASH USED IN FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Accrued wages and related liabilities Increase (Decrease) in Employee Related Liabilities Weighted average remaining lease term (years): Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Ownership [Domain] Ownership [Domain] Gift card liability Increase (Decrease) in Contract with Customer, Gift Card Liability Increase (Decrease) in Contract with Customer, Gift Card Liability Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Incremental borrowing capacity Line of Credit Facility, Incremental Borrowing Capacity Line of Credit Facility, Incremental Borrowing Capacity Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] TOTAL REVENUE Revenue from contract with customer Revenue from Contract with Customer, Excluding Assessed Tax Property and equipment, net of accumulated depreciation of $604,230 and $551,004, respectively. Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Total LLC Interests outstanding (in shares) Consolidation, Less than Wholly Owned Subsidiary, Number of Shares Consolidation, Less than Wholly Owned Subsidiary, Number of Shares Payments on principal of finance leases Payments On principal On Finance Lease Liabilities Payments On principal On Finance Lease Liabilities Other comprehensive loss: Other Comprehensive Income (Loss), Tax [Abstract] Increase (decrease) in additional paid-in capital Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net Number of LLC Interests held by Shake Shack Inc. (in shares) Consolidation, Less than Wholly Owned Subsidiary, Number of Shares Held by Parent Consolidation, Less than Wholly Owned Subsidiary, Number of Shares Held by Parent Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Less: Comprehensive income attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest REVENUE Revenue from Contract with Customer [Text Block] Prepaid expenses Prepaid Expense, Current Payments under tax receivable agreement, including interest Amounts paid under the Tax Receivable Agreement, including interest Tax Receivable Agreement Payments To Related Parties Tax receivable agreement payments to related parties. Other current liabilities Increase (Decrease) in Other Current Liabilities Inventories Increase (Decrease) in Inventories Establishment of liabilities under tax receivable agreement and related changes to deferred tax assets associated with increases in tax basis Adjustments to Additional Paid in Capital, Tax Receivable Agreement Adjustments to Additional Paid in Capital, Tax Receivable Agreement Operating leases Operating Lease, Weighted Average Discount Rate, Percent Segment Reporting [Table] Segment Reporting [Table] Related Party Transaction [Table] Related Party Transaction [Table] Sales-based royalties Sales-Based Royalties [Member] Sales-Based Royalties [Member] Sale of Stock [Axis] Sale of Stock [Axis] Lease, Cost Lease, Cost [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] INCOME FROM OPERATIONS Operating Income (Loss) Revenue, remaining performance obligation Revenue, Remaining Performance Obligation, Amount Current fiscal year end date Current Fiscal Year End Date Finance Lease, Liability, Maturity Finance Lease, Liability, to be Paid, Maturity [Table Text Block] 2026 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Total lease liabilities Operating And Finance Lease Liability Operating And Finance Lease Liability Number of LLC Interests received by Shake Shack Inc. (in shares) Total LLC Interests acquired by the Company (in shares) Consolidated Entity, Ownership By Parent, Number Of Units Acquired Consolidated Entity, Ownership By Parent, Number Of Units Acquired Percentage of tax benefits due to equity owners Tax Receivable Agreement, Percentage of Tax Benefits Due to Equity Owners Tax Receivable Agreement, Percentage of Tax Benefits Due to Equity Owners Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Activity under stock compensation plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Amortization of cloud computing assets Capitalized Cost, Software to be Sold, Leased, or Marketed, Amortization Expense Distributions paid to non-controlling interest holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Non-cash impairment charge Asset, Impairment Loss Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Miscellaneous closure expense Restructuring Costs Common stock, shares, issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Non-cash interest Amortization of Debt Discount (Premium) Redemption or Exchange of Units Redemption or Exchange of Units [Member] Redemption or Exchange of Units [Member] Equity Components [Axis] Equity Components [Axis] Other operating expenses Other Cost and Expense, Operating Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Accounts receivable Increase (Decrease) in Accounts Receivable Related Party Related Party [Member] Product and Service [Domain] Product and Service [Domain] Income taxes, net of refunds Income Tax Paid, after Refund Received Class of Stock [Line Items] Class of Stock [Line Items] Deferred tax assets, valuation allowance Deferred Tax Assets, Valuation Allowance Franchisor Disclosure [Axis] Franchisor Disclosure [Axis] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Class A Common Stock Class A Common Stock Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Current portion of financing equipment lease liabilities Other current liabilities Finance Lease, Liability, Current Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Redemption of LLC Interests (in shares) Shares of Class A common stock issued in connection with redemptions of LLC Interests (in shares) Stock Issued During Period, Shares, Conversion of Units Entity Small Business Entity Small Business COMPREHENSIVE INCOME ATTRIBUTABLE TO SHAKE SHACK INC. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Ownership Interests in SSE Holdings Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest [Table Text Block] Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest [Table Text Block] 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Noncontrolling Interest [Table] Noncontrolling Interest [Table] Liabilities under tax receivable agreement, net of current portion Tax Receivable Agreement Liability, Noncurrent Tax Receivable Agreement Liability, Noncurrent Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities Other current liabilities Other Liabilities, Current Other assets Other Assets, Noncurrent 2029 Finance Lease, Liability, to be Paid, Year Three Document type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued expenses Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue, long-term Contract with Customer, Liability, Noncurrent Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity registrant name Entity Registrant Name INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 13) Commitments and Contingencies Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Income Tax Contingency [Table] Income Tax Contingency [Table] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Right-of-use assets obtained in exchange for lease obligations: Right-Of-Use Asset Obtained In Exchange For Lease Liability [Abstract] Right-Of-Use Asset Obtained In Exchange For Lease Liability Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Deferred tax assets recognized upon acquisition of LLC Interests Additional Deferred Tax Asset Recognized, Investment in Partnership Additional Deferred Tax Asset Recognized, Investment in Partnership Income tax expense Other Comprehensive Income (Loss), Tax Counterparty Name [Axis] Counterparty Name [Axis] Inventories Inventory, Net Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Variable Interest Entity [Table] Variable Interest Entity [Table] Deferred tax assets recognized under the Tax Receivable Agreement Additional Deferred Tax Asset Recognized, Tax Receivable Agreement Additional Deferred Tax Asset Recognized, Tax Receivable Agreement Cash paid for: Supplemental Cash Flow Information [Abstract] Number of LLC Interests held by non-controlling interest holders (as a percentage) Subsidiary, Ownership Percentage, Noncontrolling Owner PEO Name PEO Name Threshold percentage of stock price trigger (in percent) Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Accrued expenses Increase (Decrease) in Accrued Liabilities Total right-of-use assets Operating And Finance Lease Right-Of-Use Asset Operating And Finance Lease Right-Of-Use Asset Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD CASH AND CASH EQUIVALENTS AT END OF PERIOD Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Transfers (to) from non-controlling interests: Noncontrolling Interest Items [Abstract] NATURE OF OPERATIONS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] COMPREHENSIVE INCOME Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Equity-based compensation Share-Based Payment Arrangement, Noncash Expense Labor and related expenses Labor and Related Expense Total lease cost Lease, Cost Other Prepaid Expense and Other Assets, Other, Current Prepaid Expense and Other Assets, Other, Current LEASES Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings per share of Class A common stock—basic (in dollars per share) Earnings Per Share, Basic Deferred revenue, current Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Award Type [Axis] Award Type [Axis] Short-term lease cost Short-Term Lease, Cost Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Threshold trading days Debt Instrument, Convertible, Threshold Trading Days Debt Conversion, Condition Two Debt Conversion, Condition Two [Member] Debt Conversion, Condition Two Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Equity Awards Adjustments Equity Awards Adjustments [Member] TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity Variable lease cost Variable Lease, Cost Employee Stock Option Stock options Share-Based Payment Arrangement, Option [Member] Initial territory, opening, and termination fees Initial Territory, Opening, And Termination Fees [Member] Initial Territory, Opening, And Termination Fees Non-controlling interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Debt Conversion, Condition One Debt Conversion, Condition One [Member] Debt Conversion, Condition One Related Party [Domain] Related and Nonrelated Parties [Domain] Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Sales tax payable Sales and Excise Tax Payable, Current Schedule of Equity-Based Compensation Expense Recognized Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Other income, net Other Nonoperating Income (Expense) Number of units redeemed (in shares) LLC Interests activity from redemptions of LLC Interests Partners' Capital Account, Units, Redeemed Pre-opening costs Pre-Opening Costs Name Awards Close in Time to MNPI Disclosures, Individual Name Stockholders' equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Other Current Liabilities Other Current Liabilities [Table Text Block] General and administrative expenses General and Administrative Expense Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, no par value—10,000,000 shares authorized; none issued and outstanding as of July 1, 2026 and December 31, 2025. Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Class of Stock [Domain] Class of Stock [Domain] Total LLC Interests outstanding (as a percentage) Noncontrolling Interest, Total Ownership Percentage Noncontrolling Interest, Total Ownership Percentage Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Redemption of LLC Interests [Axis] Redemption of LLC Interests [Axis] Redemption of LLC Interests [Axis] Schedule of Non-Controlling Interest Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name INCOME TAXES Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity filer category Entity Filer Category Number of restaurants Number of Restaurants Total obligations under the Tax Receivable Agreement Liabilities under tax receivable agreement, net of current portion Tax Receivable Agreement Liability, Current and Noncurrent Tax Receivable Agreement Liability, Current and Noncurrent Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Noncontrolling Interest, Ownership Percentages Noncontrolling Interest, Weighted Average Ownership Percentages [Table Text Block] Noncontrolling Interest, Weighted Average Ownership Percentages Depreciation and amortization expense Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Activity under stock compensation plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Stock, Class of Stock [Table] Stock, Class of Stock [Table] NET INCOME Net income Net income (including amounts attributable to non-controlling interests) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Operating lease for non-cancellable leases Operating Lease For Non-Cancellable Leases Operating Lease For Non-Cancellable Leases Current assets: Assets, Current [Abstract] Operating leases Operating Lease, Weighted Average Remaining Lease Term Debt Conversion, Name [Domain] Debt Conversion, Name [Domain] Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Outstanding amount under credit facility Line of Credit Facility, Fair Value of Amount Outstanding Income tax expense Income Tax Expense (Benefit) Additional liabilities recognized under the Tax Receivable Agreement Establishment of liabilities under Tax Receivable Agreement Establishment of Liabilities Under Tax Receivable Agreement Establishment of Liabilities Under Tax Receivable Agreement Effect of dilutive securities: Dilutive Securities, Effect on Basic Earnings Per Share [Abstract] Award Timing Method Award Timing Method [Text Block] INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] NET INCOME ATTRIBUTABLE TO SHAKE SHACK INC. Net income attributable to Shake Shack Inc. Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Unamortized debt issuance cost Unamortized Debt Issuance Expense Statement [Table] Statement [Table] Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Net proceeds from stock option exercises Proceeds from Stock Options Exercised Interest income Investment Income, Interest Schedule of Contract with Customer, Asset and Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Threshold consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Licensed Franchised Units [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]