Note 5 - Net Patient Revenues - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net patient revenues	$ 236,976	$ 225,671	$ 453,831	$ 469,766
Revenue, concentration percentage	100.00%	100.00%	100.00%	100.00%
Medicare [Member]
Revenue, concentration percentage	34.00%	32.00%	34.00%	33.00%
Inpatient Services [Member]
Net patient revenues	$ 218,860	$ 214,387	$ 422,103	$ 445,374
Managed Care [Member]
Revenue, concentration percentage	12.00%	10.00%	13.00%	11.00%
Homecare and Hospice [Member]
Net patient revenues	$ 18,116	$ 11,284	$ 31,728	$ 24,392
Medicaid [Member]
Revenue, concentration percentage	29.00%	32.00%	29.00%	30.00%
Private Pay and Other [Member]
Revenue, concentration percentage	25.00%	26.00%	24.00%	26.00%

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