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Summary of Significant Accounting Policies - Accounts Receivable (Details) - Payor Source - Accounts Receivable	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)	100.00%	100.00%
Medicare | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)	57.60%	57.90%
Managed care and other discount plans, including Medicare Advantage | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)	32.30%	31.10%
Medicaid | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)	4.00%	4.40%
Other third-party payors | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)	2.70%	3.40%
Workers’ compensation | Third-Party Payor
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)	2.50%	2.20%
Patients | Self-Pay
Concentration Risk [Line Items]
Net operating revenues by payor source (percent)	0.90%	1.00%

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- Definition

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