Subsequent events - Additional Information (Details)		1 Months Ended	12 Months Ended
	Mar. 06, 2022 USD ($) Tranche	Mar. 31, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Subsequent Event [Member] | Financing Agreement Amendment No 9 [Member]
Subsequent Event [Line Items]
Minimum cash balance requirement under credit agreements		$ 60,000,000.0
Prepayment penalty		60,000,000.0
Payment of in kind amendment fee		30,000,000.0
Subsequent Event [Member] | Financing Agreement Amendment No 9 [Member] | Debt Covenants [Member]
Subsequent Event [Line Items]
Waivable in kind amendment fee		$ 16,000,000.0
VitaCare Divestiture [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Proceeds from divestiture of business	$ 150,000,000.0
Contingent cash consideration from sale of business	$ 7,000,000.0
Number of earned cash consideration tranches | Tranche	2
Maximum transition services provided period	12 months
VitaCare Divestiture [Member] | Revenue Target for 2022 [Member] | Forecast [Member]
Subsequent Event [Line Items]
Contingent cash consideration from sale of business				$ 3,500,000
VitaCare Divestiture [Member] | Revenue Target for 2023 [Member] | Forecast [Member]
Subsequent Event [Line Items]
Contingent cash consideration from sale of business			$ 3,500,000