Estimated Cost of Providing Uncompensated Care (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Health Care Trust Funds [Line Items]
Estimated cost of providing uncompensated care	$ 245,556	$ 217,633	$ 260,494
Charity Care
Health Care Trust Funds [Line Items]
Estimated cost of providing uncompensated care	85,434	72,095	73,690
Uninsured Discounts
Health Care Trust Funds [Line Items]
Estimated cost of providing uncompensated care	$ 160,122	$ 145,538	$ 186,804