Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021	Jul. 03, 2022	Jul. 04, 2021
Revenues
Total revenues	$ 243,770	$ 124,079	$ 435,778	$ 196,480
Operating expenses
In-House operating expenses (exclusive of depreciation and amortization of $14,160 and $15,828 for the 13 weeks ended July 3, 2022 and July 4, 2021, respectively, and of $27,849 and $26,690 for the 26 weeks ended July 3, 2022 and July 4, 2021)	(131,673)	(70,430)	(241,668)	(116,239)
Other operating expenses (exclusive of depreciation and amortization of $8,552 and $6,077 for the 13 weeks ended July 3, 2022 and July 4, 2021, respectively, and of $17,668 and $13,060 for the 26 weeks ended July 3, 2022 and July 4, 2021)	(62,758)	(40,685)	(110,391)	(68,878)
General and administrative expenses	(26,647)	(19,500)	(55,933)	(36,005)
Pre-opening expenses	(3,741)	(6,493)	(7,773)	(11,318)
Depreciation and amortization	(22,688)	(21,905)	(45,519)	(39,750)
Share-based compensation	(4,274)	(2,548)	(12,077)	(4,677)
Foreign exchange loss, net	(57,176)	(1,055)	(74,250)	(15,922)	[1]
Other	(301)	(8,323)	(1,077)	(14,111)
Total operating expenses	(309,258)	(170,939)	(548,688)	(306,900)
Operating loss	(65,488)	(46,860)	(112,910)	(110,420)
Other (expense) income
Interest expense, net	(18,778)	(17,018)	(34,495)	(46,622)
Gain on sale of property and other, net	(122)	6,903	1,541	6,903
Share of income (loss) of equity method investments	1,342	(130)	1,740	(826)
Total other expense, net	(17,558)	(10,245)	(31,214)	(40,545)
Loss before income taxes	(83,046)	(57,105)	(144,124)	(150,965)
Income tax expense (benefit)	(509)	(3)	(57)	820
Net loss	(83,555)	(57,108)	(144,181)	(150,145)
Net loss attributable to noncontrolling interests	1,596	1,121	1,743	3,679
Net loss attributable to Membership Collective Group Inc.	$ (81,959)	$ (55,987)	$ (142,438)	$ (146,466)
Earnings Per Share [Abstract]
Net loss per share attributable to Class A and Class B common stock Basic (Note 15)	$ (0.41)	$ (0.43)	$ (0.71)	$ (1.04)
Net loss per share attributable to Class A and Class B common stock Diluted (Note 15)	$ (0.41)	$ (0.43)	$ (0.71)	$ (1.04)
Weighted Average Number of Shares Outstanding, Basic	201,204	151,449	201,832	149,305
Weighted Average Number of Shares Outstanding, Diluted	201,204	151,449	201,832	149,305
Membership revenues [Member]
Revenues
Total revenues	$ 65,889	$ 44,863	$ 124,662	$ 85,356
In-House revenues [Member]
Revenues
Total revenues	109,685	45,793	197,440	62,052
Other revenues [Member]
Revenues
Total revenues	$ 68,196	$ 33,423	$ 113,676	$ 49,072

[1] Includes the effect of a prior-period error correction, as discussed in Note 2, Summary of Significant Accounting Policies—Basis of Presentation.