Percentage of voting equity interests acquired at the acquisition date in the business combination.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

+ Details

Name:	us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

+ Details

Name:	us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 30
-Paragraph 8
-SubTopic 30
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479637/805-30-30-8

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-SubTopic 30
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 30
-Paragraph 7
-SubTopic 30
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479637/805-30-30-7

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 35
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479613/805-30-35-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479668/805-30-25-6

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_BusinessCombinationDescriptionAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-1

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479303/805-10-55-37

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-1

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477734/942-470-50-3

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfBusinessesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479581/805-30-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of business acquisition cost of acquired entity debt issued on the date of acquisition.

+ References

No definition available.

+ Details

Name:	usph_BusinessAcquisitionCostOfAcquiredEntityDebtIssued
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of business acquisition cost of acquired entity debt issued to be paid by entity on the date of acquisition.

+ References

No definition available.

+ Details

Name:	usph_BusinessAcquisitionCostOfAcquiredEntityDebtIssuedToBePaidByEntity
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of business acquisition cost of acquired entity debt issued to be paid by local partner on the date of acquisition.

+ References

No definition available.

+ Details

Name:	usph_BusinessAcquisitionCostOfAcquiredEntityDebtIssuedToBePaidByLocalPartner
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of voting equity interests retained by practice founder at the acquisition date in the business combination.

+ References

No definition available.

+ Details

Name:	usph_BusinessAcquisitionPercentageOfInterestRetainedByPracticeFounder
Namespace Prefix:	usph_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of voting equity interests retained by practice founder at the pre acquisition date in the business combination.

+ References

No definition available.

+ Details

Name:	usph_BusinessAcquisitionPercentageOfPreAcquisitionInterestRetainedByPracticeFounder
Namespace Prefix:	usph_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of net tangible asset acquired at the acquisition date.

+ References

No definition available.

+ Details

Name:	usph_BusinessAcquisitionPurchasePriceAllocationNetTangibleAsset
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the fair value of the redeemable noncontrolling interest in the acquiree at the acquisition date.

+ References

No definition available.

+ Details

Name:	usph_BusinessCombinationAcquisitionFairValueOfRedeemableNonControllingInterests
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of liability recognized arising from deferred payments in a business combination.

+ References

No definition available.

+ Details

Name:	usph_BusinessCombinationDeferredPaymentsLiability
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of installments due for payment of purchase consideration in business combination.

+ References

No definition available.

+ Details

Name:	usph_BusinessCombinationNumberOfInstallmentsForPaymentDueOfPurchaseConsideration
Namespace Prefix:	usph_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of non-competition agreements recognized as of the acquisition date.

+ References

No definition available.

+ Details

Name:	usph_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNonCompetitionAgreements
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of referral relationships at the acquisition date.

+ References

No definition available.

+ Details

Name:	usph_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedReferralRelationships
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of tradename recognized as of the acquisition date.

+ References

No definition available.

+ Details

Name:	usph_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedTradename
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	usph_EstimatedFairValueOfNetTangibleAssetsAcquiredAbstract
Namespace Prefix:	usph_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Payments to acquire businesses total consideration.

+ References

No definition available.

+ Details

Name:	usph_PaymentsToAcquireBusinessesConsideration
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

No definition available.

+ Details

Name:	usph_PaymentsToAcquireBusinessesGrossPaidCashByRelatedParty
Namespace Prefix:	usph_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

No definition available.

+ Details

Name:	usph_PercentageOfOwnershipInterestAfterTheAcquisition
Namespace Prefix:	usph_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of voting equity interests by local partner at the acquisition date in the business combination.

+ References

No definition available.

+ Details

Name:	usph_PercentageOfOwnershipInterestByLocalPartnerAfterTheAcquisition
Namespace Prefix:	usph_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=usph_IndustrialInjuryPreventionServicesBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=usph_ErgonomicsSoftwareBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=usph_LeadingProviderOfIndustrialInjuryPreventionAndErgonomicsSoftwareBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=usph_PhysicalTherapyOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=usph_ClinicPracticeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=usph_September2023AcquisitionTransaction1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=usph_September2023AcquisitionTransaction2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Acquisitions of Businesses, 2023 Acquisitions (Details) $ in Thousands								9 Months Ended	12 Months Ended
	Aug. 31, 2024 USD ($) Clinic	Mar. 29, 2024 USD ($) Clinic	Oct. 31, 2023 USD ($)	Sep. 29, 2023 USD ($) Clinic Installment	Jul. 31, 2023 USD ($) Clinic	May 31, 2023 USD ($) Clinic	Feb. 28, 2023 USD ($) Clinic	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($) Clinic
Business Combination, Description [Abstract]
Contingent payments								$ 22,700	$ 12,500
IIP Business [Member]
Business Combination, Description [Abstract]
Percentage of interest acquired			100.00%
Deferred payments								0	0
Contingent payments								2,100	0
Cash paid, net of cash acquired									3,955
Seller note								455	0
Percentage of interest accrued			100.00%
Total consideration								25,661	3,955
Estimated fair value of net tangible assets acquired [Abstract]
Total current assets								1,211	388
Total non-current assets								218	335
Total liabilities								(541)	(41)
Net tangible assets acquired								888	682
Customer and referral relationships								6,708	757
Non-compete agreement								261	37
Tradenames								1,331	187
Goodwill								16,473	2,566
Fair value of non-controlling interest (classified as redeemable non-controlling interest)								0	(274)
Total consideration								25,661	$ 3,955
Ergonomics Software Business [Member]
Business Combination, Description [Abstract]
Percentage of interest acquired			55.00%
Percentage of pre-acquisition interest retained by practice founder			45.00%
Percentage of interest accrued			55.00%
IIP and Ergonomics Software Business [Member]
Business Combination, Description [Abstract]
Aggregate purchase price for the acquisition			$ 4,000
Acquisitions [Member]
Business Combination, Description [Abstract]
Number of clinics \| Clinic									8
Deferred payments								0	$ 830
Contingent payments								6,440	200
Cash paid, net of cash acquired									26,582
Seller note								955	985
Total consideration								48,591	28,597
Estimated fair value of net tangible assets acquired [Abstract]
Total current assets								2,562	1,440
Total non-current assets								910	3,141
Total liabilities								(1,163)	(3,336)
Net tangible assets acquired								2,309	1,245
Customer and referral relationships								15,371	8,999
Non-compete agreement								679	563
Tradenames								3,464	1,770
Goodwill								46,086	27,128
Fair value of non-controlling interest (classified as redeemable non-controlling interest)								(19,318)	(11,108)
Total consideration								48,591	28,597
Acquisitions [Member] \| Physical Therapy Operations [Member]
Business Combination, Description [Abstract]
Deferred payments								0	830
Contingent payments								4,340	200
Cash paid, net of cash acquired									22,627
Seller note								500	985
Total consideration								22,930	24,642
Estimated fair value of net tangible assets acquired [Abstract]
Total current assets								1,351	1,052
Total non-current assets								692	2,806
Total liabilities								(622)	(3,295)
Net tangible assets acquired								1,421	563
Customer and referral relationships								8,663	8,242
Non-compete agreement								418	526
Tradenames								2,133	1,583
Goodwill								29,613	24,562
Fair value of non-controlling interest (classified as redeemable non-controlling interest)								(19,318)	(10,834)
Total consideration								22,930	$ 24,642
Clinic Practice [Member]
Business Combination, Description [Abstract]
Percentage of interest acquired	70.00%	50.00%			70.00%	75.00%	80.00%
Number of clinics \| Clinic	8	9			5	4	1
Deferred payments					$ 300
Contingent payments	$ 3,600
Percentage of ownership interest after the acquisition						45.00%
Percentage of ownership interest by local partner after the acquisition						30.00%
Percentage of interest retained by practice founder	30.00%	50.00%			30.00%		20.00%
Percentage of pre-acquisition interest retained by practice founder						25.00%
Aggregate purchase price for the acquisition	$ 2,000	$ 16,400			$ 2,100	$ 3,100	$ 6,200
Cash paid by local partner						1,100
Seller note to be paid by entity						200
Seller note to be paid by local partner						100
Cash paid, net of cash acquired					$ 1,800	1,700	5,800	$ 500
Seller note						$ 300	$ 400
Percentage of interest accrued		4.50%					4.50%
September 2023 Multi Clinic Practice Acquisition [Member]
Business Combination, Description [Abstract]
Percentage of interest acquired				70.00%
Number of clinics \| Clinic				4
Percentage of interest retained by practice founder				30.00%
Aggregate purchase price for the acquisition				$ 6,000
Cash paid, net of cash acquired				$ 5,400
Number of installments of payment of consideration due \| Installment				2
Seller note				$ 600
Percentage of interest accrued				5.00%
September 2023 Multi Clinic Practice Acquisition [Member] \| First Installment Due on January 31, 2024 [Member]
Business Combination, Description [Abstract]
Payment of principal and interest				$ 300
September 2023 Multi Clinic Practice Acquisition [Member] \| Second Installment Due on September 30, 2025[Member]
Business Combination, Description [Abstract]
Payment of principal and interest				$ 300
September 2023 Single Clinic Practice Acquisition [Member]
Business Combination, Description [Abstract]
Percentage of interest acquired				70.00%
Number of clinics \| Clinic				1
Deferred payments				$ 400
Percentage of interest retained by practice founder				30.00%
Aggregate purchase price for the acquisition				$ 7,800
Cash paid, net of cash acquired				$ 7,400