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Note 3 - Net Patient Revenues (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Revenue from Contract with Customer, Including Assessed Tax	$ 370,989,000	$ 328,674,000	$ 1,095,945,000	$ 894,415,000
Medicare and Medicaid [Member]
Accounts Receivable, Allowance for Credit Loss	15,060,000		15,060,000		$ 15,351,000
Medicaid [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,838,000	$ 5,267,000	$ 5,522,000	$ 11,314,000

X

- Definition

Amount of allowance for credit loss on accounts receivable.

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