Summary of Significant Accounting Policies - Transaction Price (Details) $ in Thousands | Sep. 30, 2020USD ($) |
Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 39,301 |
Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | 14,518 |
Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | 24,783 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-10-01 | Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 8,346 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 3 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-10-01 | Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 6,500 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 3 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-10-01 | Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 1,846 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 3 months |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 14,590 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 8,018 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01 | Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 6,572 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 5,230 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 0 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01 | Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 5,230 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 3,831 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 0 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01 | Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 3,831 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 2,555 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 0 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01 | Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 2,555 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 1,350 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 0 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01 | Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 1,350 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 | Annual Dues And Franchise Sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 3,399 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 | Annual dues | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 0 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01 | Franchise sales | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
Remaining performance obligation revenue | $ 3,399 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 | |