{"cik":1620533,"taxonomy":"us-gaap","tag":"CommonStockSharesOutstanding","label":"Common Stock, Shares, Outstanding","description":"Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.","entityName":"SHAKE SHACK INC.","units":{"shares":[{"end":"2014-12-31","val":0,"accn":"0001620533-15-000007","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-05-15"},{"end":"2014-12-31","val":0,"accn":"0001620533-15-000021","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-08-10"},{"end":"2014-12-31","val":0,"accn":"0001620533-15-000117","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-06"},{"end":"2014-12-31","val":0,"accn":"0001620533-16-000187","fy":2015,"fp":"Q4","form":"10-K","filed":"2016-03-30","frame":"CY2014Q4I"}]}}