Note 4 - Net Patient Revenues - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net patient revenues	$ 260,247	$ 254,817	$ 776,661	$ 708,648
Revenue, concentration percentage	100.00%	100.00%	100.00%	100.00%
Medicare [Member]
Revenue, concentration percentage	37.00%	36.00%	37.00%	35.00%
Inpatient Services [Member]
Net patient revenues	$ 228,138	$ 222,884	$ 680,776	$ 644,986
Managed Care [Member]
Revenue, concentration percentage	9.00%	10.00%	10.00%	12.00%
Homecare and Hospice Services [Member]
Net patient revenues	$ 32,109	$ 31,933	$ 95,885	$ 63,662
Medicaid [Member]
Revenue, concentration percentage	29.00%	30.00%	28.00%	29.00%
Private Pay and Other [Member]
Revenue, concentration percentage	25.00%	24.00%	25.00%	24.00%

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details