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Note 3 - Net Patient Revenues (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Revenue from Contract with Customer, Including Assessed Tax	$ 361,607,000	$ 285,823,000
Accounts Receivable, Allowance for Credit Loss	10,926,000		$ 9,702,000
Medicare and Medicaid [Member]
Accounts Receivable, Allowance for Credit Loss	13,897,000		$ 15,351,000
Medicaid [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,872,000	$ 3,462,000

X

- Definition

Amount of allowance for credit loss on accounts receivable.

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