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NON-CONTROLLING INTERESTS (Tables) | 3 Months Ended
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Mar. 31, 2021
Noncontrolling Interest [Abstract] |
Schedule of Ownership Interests in SSE Holdings | The following table summarizes the ownership interest in SSE Holdings as of March 31, 2021 and December 30, 2020.
| March 31, 2021 |  | December 30, 2020
| LLC Interests |  | Ownership% |  | LLC Interests |  | Ownership %
Number of LLC Interests held by Shake Shack Inc. | 39,103,239 |  |  | 93.0 | % |  | 38,717,790 |  |  | 92.9 | %
Number of LLC Interests held by non-controlling interest holders | 2,921,588 |  |  | 7.0 | % |  | 2,951,188 |  |  | 7.1 | %
Total LLC Interests outstanding | 42,024,827 |  |  | 100.0 | % |  | 41,668,978 |  |  | 100.0 | %
Schedule of Non-Controlling Interest | The following table summarizes the effects of changes in ownership of SSE Holdings on our equity during the thirteen weeks ended March 31, 2021 and March 25, 2020.
|  | Thirteen Weeks Ended |  |
| March 31 2021 |  | March 25 2020 |  |  |  |
Net income (loss) attributable to Shake Shack Inc. | $ | 1,309 |  |  | $ | (960) |  |  |  |  |
Transfers (to) from non-controlling interests: |  |  |  |  |  |  |
| Increase in additional paid-in capital as a result of the redemption of LLC Interests | 36 |  |  | 195 |  |  |  |  |
| Increase (decrease) in additional paid-in capital as a result of activity under stock compensation plans and the related income tax effect | 3,359 |  |  | 424 |  |  |  |  |
Total effect of changes in ownership interest on equity attributable to Shake Shack Inc. | $ | 4,704 |  |  | $ | (341) |  |  |  |  |
Redemption of LLC Interests | The following table summarizes redemptions of LLC Interests activity during the thirteen weeks ended March 31, 2021 and March 25, 2020.
|  | Thirteen Weeks Ended |  |
| March 31 2021 |  | March 25 2020 |  |  |  |
Redemption and acquisition of LLC Interests |  |  |  |  |  |  |
| Number of LLC Interests redeemed by non-controlling interest holders | 29,600 |  |  | 28,195 |  |  |  |  |
| Number of LLC Interests received by Shake Shack Inc. | 29,600 |  |  | 28,195 |  |  |  |  |
Issuance of Class A common stock |  |  |  |  |  |  |
| Shares of Class A common stock issued in connection with redemptions of LLC Interests | 29,600 |  |  | 28,195 |  |  |  |  |
Cancellation of Class B common stock |  |  |  |  |  |  |
| Shares of Class B common stock surrendered and canceled | 29,600 |  |  | 28,195 |  |  |  |  |

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- Definition The tabular disclosure of the effects of any changes in a parent's ownership interest in a subsidiary on the equity attributable to the parent if the ownership interests in a subsidiary changes during the period. The changes represented by this element did not result in the deconsolidation of the subsidiary. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4M -URI http://asc.fasb.org/extlink&oid=120409616&loc=SL4591554-111686 + Details
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