Consolidated statements of operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Total revenue	$ 936,772	$ 587,023	$ 406,618
Operating costs and expenses:
Cost of revenue	177,200	100,993	70,955
Store operations	219,422	110,716	87,797
Selling, general and administrative	114,853	94,540	68,585
National advertising fund expense	66,116	59,442	61,255
Depreciation and amortization	124,022	62,800	53,832
Other losses, net	5,081	15,137	4,434
Total operating costs and expenses	706,694	443,628	346,858
Income from operations	230,078	143,395	59,760
Other income (expense), net:
Interest income	5,005	878	2,937
Interest expense	(88,628)	(81,211)	(82,117)
Other income (expense), net	14,983	(11,102)	4,903
Total other expense, net	(68,640)	(91,435)	(74,277)
Income (expense) before income taxes	161,438	51,960	(14,517)
Equity losses of unconsolidated entities, net of tax	(467)	(179)	0
Provision for income taxes	50,515	5,659	687
Net income (loss)	110,456	46,122	(15,204)
Less net income (loss) attributable to non-controlling interests	11,054	3,348	(213)
Net income (loss) attributable to Planet Fitness, Inc.	$ 99,402	$ 42,774	$ (14,991)
Class A common stock
Net income (loss) per share of Class A common stock:
Basic (in usd per share)	$ 1.18	$ 0.51	$ (0.19)
Diluted (in usd per share)	$ 1.18	$ 0.51	$ (0.19)
Weighted-average shares of Class A common stock outstanding:
Basic (in shares)	84,136,819	83,295,580	80,303,277
Diluted (in shares)	84,544,098	83,894,149	80,303,277
Franchise
Revenue:
Total revenue	$ 329,634	$ 290,710	$ 206,156
Franchise | Franchise
Revenue:
Total revenue	271,559	238,349	162,855
Franchise | National advertising fund revenue
Revenue:
Total revenue	58,075	52,361	43,301
Corporate-owned stores
Revenue:
Total revenue	379,393	167,219	117,142
Equipment
Revenue:
Total revenue	$ 227,745	$ 129,094	$ 83,320