CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Jul. 01, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 307,962	$ 360,123
Accounts receivable, net	34,657	32,962
Inventories	7,359	7,182
Prepaid expenses and other current assets	43,780	30,080
Total current assets	393,758	430,347
Property and equipment, net of accumulated depreciation of $604,230 and $551,004, respectively.	673,299	625,851
Operating lease assets	551,687	507,253
Deferred income taxes, net	319,980	322,385
Other assets	11,556	10,373
TOTAL ASSETS	1,950,280	1,896,209
Current liabilities:
Accounts payable	23,612	24,747
Accrued expenses	92,318	103,354
Accrued wages and related liabilities	23,175	25,481
Operating lease liabilities, current	67,164	63,553
Other current liabilities	29,732	27,783
Total current liabilities	236,001	244,918
Long-term debt	248,255	247,731
Long-term operating lease liabilities	621,756	575,138
Liabilities under tax receivable agreement, net of current portion	244,713	244,463
Other long-term liabilities	28,004	30,210
Total liabilities	1,378,729	1,342,460
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock, no par value—10,000,000 shares authorized; none issued and outstanding as of July 1, 2026 and December 31, 2025.	0	0
Additional paid-in capital	456,186	452,577
Retained earnings	88,099	72,709
Accumulated other comprehensive loss	(6)	(1)
Total stockholders' equity attributable to Shake Shack Inc.	544,321	525,327
Non-controlling interests	27,230	28,422
Total equity	571,551	553,749
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,950,280	1,896,209
Class A Common Stock
Stockholders' equity:
Common stock	40	40
Class B Common Stock
Stockholders' equity:
Common stock	$ 2	$ 2

Tax Receivable Agreement Liability, Noncurrent

No definition available.

Name:	shak_TaxReceivableAgreementLiabilityNoncurrent
Namespace Prefix:	shak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).