Restructuring - Narrative (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2023 USD ($) center	Sep. 30, 2023 USD ($) center	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) center	Sep. 30, 2022 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of underperforming wellness centers | center		149
Number of wellness centers closed | center		45
Number of wellness centers expected to be closed | center		104		104
Number of wellness centers | center		237		237
Restructuring and related charges		$ 8,485	$ 0	$ 8,485	$ 0
Total estimated restructuring cost		14,600		14,600
Forecast
Restructuring Cost and Reserve [Line Items]
Number of wellness centers | center	133
Accelerated depreciation and amortization
Restructuring Cost and Reserve [Line Items]
Total estimated restructuring cost		11,100		11,100
Inventory reserve
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges				250
Total estimated restructuring cost		$ 300		$ 300
Contract Termination | Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 3,000
Severance and other termination costs | Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and related charges	$ 3,300