NON-CONTROLLING INTERESTS - Ownership Interest in SSE Holdings (Details) - shares |
Jul. 01, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Noncontrolling Interest [Line Items] | ||
| Number of LLC Interests held by Shake Shack Inc. (in shares) | 40,370,460 | 40,254,281 |
| Number of LLC Interests held by non-controlling interest holders (in shares) | 2,425,789 | 2,434,789 |
| Total LLC Interests outstanding (in shares) | 42,796,249 | 42,689,070 |
| Total LLC Interests outstanding (as a percentage) | 100.00% | 100.00% |
| Shake Shack Inc. | ||
| Noncontrolling Interest [Line Items] | ||
| Number of LLC Interests held by Shake Shack Inc. (as a percentage) | 94.30% | 94.30% |
| Non-Controlling Interest Holders | ||
| Noncontrolling Interest [Line Items] | ||
| Number of LLC Interests held by non-controlling interest holders (as a percentage) | 5.70% | 5.70% |