Derivative Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 31, 2022	Jun. 30, 2022
Derivative Instrument, Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 37,220	$ 43,407	$ 57,924
Other comprehensive (loss) gain [Abstract]
Unrealized (loss) gain on cash flow hedge	(1,642)	5,378	0
Tax effect at statutory rate (federal and state)	420	(1,374)	0
Comprehensive income	35,998	47,411	57,924
Comprehensive income attributable to non-controlling interest	(8,981)	(11,249)	(17,093)
Comprehensive income attributable to USPH shareholders	27,017	36,162	$ 40,831
Carrying and Fair Value of Interest Rate Derivatives [Abstract]
Interest rate derivative	3,736	5,378
Other Current Assets [Member]
Carrying and Fair Value of Interest Rate Derivatives [Abstract]
Interest rate derivative	2,663	2,858
Other Assets [Member]
Carrying and Fair Value of Interest Rate Derivatives [Abstract]
Interest rate derivative	$ 1,073	2,520
Interest Rate Swap [Member]
Derivative Instruments [Abstract]
Notional value					$ 150,000
Debt instrument, maturity date	Jun. 30, 2027
Savings from interest rate swap arrangements	$ 3,300
Interest Rate Swap [Member] | Maximum [Member]
Derivative Instruments [Abstract]
Savings from interest rate swap arrangements		$ 100
Interest Rate Swap [Member] | SOFR [Member]
Derivative Instruments [Abstract]
Term of variable rate	1 month
Debt instrument, fixed rate of interest				2.815%