Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Computation of earnings per share - USPH shareholders [Abstract]
Net income attributable to USPH shareholders	$ 8,046	$ 7,410
Charges to retained earnings [Abstract]
Revaluation of redeemable non-controlling interest	(1,439)	119
Tax effect at statutory rate (federal and state)	368	(30)
Net income attributable to common shareholders	$ 6,975	$ 7,499
Earnings per share basic (in dollars per share)	$ 0.46	$ 0.58
Earnings per share diluted (in dollars per share)	$ 0.46	$ 0.58
Shares used in computation [Abstract]
Shares used in computation - basic (in shares)	15,017	13,025
Shares used in computation - diluted (in shares)	15,017	13,025