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v3.21.2

RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2021 | Sep. 30, 2021
Settlement of Short Swing Profit Claim [Abstract] |  |
Short swing profit settlement | $ 20 | $ 20

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- References No definition available. + Details
Name: | usph_SettlementOfShortSwingProfitClaimAbstract
Namespace Prefix: | usph_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of short swing profit settlement from any purchase or sale (or sale and purchase) of the company's equity securities. + References No definition available. + Details
Name: | usph_ShortSwingProfitSettlement
Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration