Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Computation of earnings per share - USPH shareholders [Abstract]
Net income attributable to USPH shareholders	$ 9,899	$ 8,046
Charges to retained earnings [Abstract]
Revaluation of redeemable non-controlling interest	2,903	(1,439)
Tax effect at statutory rate (federal and state)	(742)	368
Net income attributable to common shareholders	$ 12,060	$ 6,975
Earnings per share basic (in dollars per share)	$ 0.8	$ 0.46
Earnings per share diluted (in dollars per share)	$ 0.8	$ 0.46
Shares used in computation [Abstract]
Basic earnings per share - weighted-average shares (in shares)	15,132	15,017
Diluted earnings per share - weighted-average shares (in shares)	15,132	15,017

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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The amount of income (loss) from revaluation of redeemable noncontrolling interest.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent after revaluation of noncontrolling interest.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal and state statutory tax rates to pretax income.

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