National advertising fund	9 Months Ended
Sep. 30, 2015
Related Party Transactions [Abstract]
National advertising fund	(5) National advertising fund On July 26, 2011, the Company established Planet Fitness NAF, LLC (“NAF”) for the creation and development of marketing, advertising, and related programs and materials for all Planet Fitness stores located in the United States and Puerto Rico. On behalf of the NAF, the Company collects 2% of gross monthly membership billings from franchisees, in accordance with the provisions of the franchise agreements. The Company also contributes 2% of monthly membership billings from stores owned by the Company to the NAF. The use of amounts received by NAF is restricted to advertising, product development, public relations, merchandising, and administrative expenses and programs to increase sales and further enhance the public reputation of the Planet Fitness brand. The Company consolidates and reports all assets and liabilities held by the NAF. Amounts received by NAF are reported as restricted assets and restricted liabilities within current assets and current liabilities on the condensed consolidated balance sheets. The Company provides administrative services to NAF and charges NAF a fee for providing those services. These services include accounting services, information technology, data processing, product development, legal and administrative support, and other operating expenses, which amounted to $342 and $274 for the three months ended September 30, 2015 and 2014, respectively, and $1,026 and $829 for the nine months ended September 30, 2015 and 2014, respectively. The fees paid to the Company by NAF are included in the condensed consolidated statements of operations as a reduction in general and administrative expense, where the expense incurred by the Company was initially recorded.

(5) National advertising fund

On July 26, 2011, the Company established Planet Fitness NAF, LLC (“NAF”) for the creation and development of marketing, advertising, and related programs and materials for all Planet Fitness stores located in the United States and Puerto Rico. On behalf of the NAF, the Company collects 2% of gross monthly membership billings from franchisees, in accordance with the provisions of the franchise agreements. The Company also contributes 2% of monthly membership billings from stores owned by the Company to the NAF. The use of amounts received by NAF is restricted to advertising, product development, public relations, merchandising, and administrative expenses and programs to increase sales and further enhance the public reputation of the Planet Fitness brand. The Company consolidates and reports all assets and liabilities held by the NAF. Amounts received by NAF are reported as restricted assets and restricted liabilities within current assets and current liabilities on the condensed consolidated balance sheets. The Company provides administrative services to NAF and charges NAF a fee for providing those services. These services include accounting services, information technology, data processing, product development, legal and administrative support, and other operating expenses, which amounted to $342 and $274 for the three months ended September 30, 2015 and 2014, respectively, and $1,026 and $829 for the nine months ended September 30, 2015 and 2014, respectively. The fees paid to the Company by NAF are included in the condensed consolidated statements of operations as a reduction in general and administrative expense, where the expense incurred by the Company was initially recorded.