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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Concentration Risk [Line Items]
Increase (reduction) in revenue	$ (5.9)	$ 1.2	$ (1.0)	$ 18.2
Medicare | Revenue Benchmark | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration (percent)	32.00%	37.00%	34.00%	38.00%
Medicare | Accounts Receivable | Credit Concentration Risk
Concentration Risk [Line Items]
Concentration (percent)			31.00%		27.00%

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