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Note 3 - Net Patient Revenues (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Revenue from Contract with Customer, Including Assessed Tax	$ 363,349,000	$ 279,918,000	$ 724,956,000	$ 565,741,000
Accounts Receivable, Allowance for Credit Loss	12,452,000		12,452,000		$ 9,702,000
Medicare and Medicaid [Member]
Accounts Receivable, Allowance for Credit Loss	15,160,000		15,160,000		$ 15,351,000
Medicaid [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,812,000	$ 2,585,000	$ 3,684,000	$ 6,047,000

X

- Definition

Amount of allowance for credit loss on accounts receivable.

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