Xponential Fitness, Inc. Quarterly report pursuant to Section 13 or 15(d)

Contract Liabilities and Costs from Contracts with Customers - Summary of Changes in Franchise development and Brand Fee Contract Liabilities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Contract Liabilities And Costs From Contracts With Customers [Line Items]
Balance at December 31, 2020	$ 81,756
Revenue recognized that was included in deferred revenue at the beginning of the year	(8,866)
Deferred revenue recorded as settlement in purchase accounting	(505)
Increase, excluding amounts recognized as revenue during the year	25,743
Balance at June 30, 2021	98,128
Franchise Development Fees
Contract Liabilities And Costs From Contracts With Customers [Line Items]
Balance at December 31, 2020	76,371
Revenue recognized that was included in deferred revenue at the beginning of the year	(7,444)
Deferred revenue recorded as settlement in purchase accounting	(505)
Increase, excluding amounts recognized as revenue during the year	24,555
Balance at June 30, 2021	92,977
Brand Fees
Contract Liabilities And Costs From Contracts With Customers [Line Items]
Balance at December 31, 2020	5,385
Revenue recognized that was included in deferred revenue at the beginning of the year	(1,422)
Increase, excluding amounts recognized as revenue during the year	1,188
Balance at June 30, 2021	$ 5,151