XML 55 R41.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Significant Accounting Policies (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 31, 2017 USD ($) Clinic | Mar. 31, 2017 USD ($) | Jan. 31, 2017 USD ($) Clinic | Sep. 30, 2016 USD ($) | [1] | Jun. 30, 2016 USD ($) | [1] | Mar. 31, 2016 USD ($) | [1] | Sep. 30, 2015 USD ($) | [1] | Jun. 30, 2015 USD ($) | [1] | Mar. 31, 2015 USD ($) | [1] | Jun. 30, 2016 USD ($) | [1] | Jun. 30, 2015 USD ($) | [1] | Sep. 30, 2016 USD ($) | [1] | Sep. 30, 2015 USD ($) | [1] | Dec. 31, 2016 USD ($) Segment Region $ / shares | Dec. 31, 2015 USD ($) Region | Dec. 31, 2014 USD ($) Region
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of business segments | Segment |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Number of regions | Region |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 6 |  | 6 |
Federal debt ceiling in connection with deficit reductions |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Reductions in federal spending |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,200,000,000,000 |  |  |  |
Medicare spending cut percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |
Expected reduction in Medicare spending percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |
Combined physical therapy/speech language pathology expenses |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,700 |  |  |  |
Percentage of practice expense component |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
Percentage reduction for service |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |
Net revenue from Medicare accounts |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 81,800,000 |  |  |  |
Difference between net revenues and corresponding cash collections, approximately of net revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |
Difference between actual aggregate contractual reserve and estimated contractual allowance reserve percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |
Maximum contractual allowance reserve estimate |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |
Minimum percentage of fair value reporting unit less than carrying amount |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |
Unrecognized tax benefit |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |
Accrued interest and penalties associated with any unrecognized tax benefits |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  | $ 0 |
Interest expense recognized |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |
Increase in earnings by decreasing the tax provision due to adoption of new accounting treatment |  |  |  | $ 2,753,000 | $ 3,802,000 | $ 2,172,000 | $ 3,465,000 | $ 4,221,000 | $ 2,685,000 | $ 5,974,000 | $ 6,906,000 | $ 8,727,000 | $ 10,371,000 | 11,880,000 | $ 13,647,000 | [1] | $ 13,018,000 | [1]
Accounting Standards Update 2016-09 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in earnings by decreasing the tax provision due to adoption of new accounting treatment |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |
Increase in earnings by decreasing the tax provision due to adoption of new accounting treatment (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.09 |  |  |  |
Physical Therapy Practice [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired | 70.00% |  | 70.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of clinics owned and operated | Clinic | 4 |  | 17 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of additional clinics managed | Clinic |  |  | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price | $ 2,500,000 |  | $ 11,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Workforce Performance Solutions [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  | 55.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price |  | $ 6,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of medicare payment |  |  |  |  |  |  |  |  |  |  |  |  |  | (0.30%) |  |  |  |
Expected reduction in Medicare spending percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |
Year 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of payment adjustments proposed by CMS |  |  |  |  |  |  |  |  |  |  |  |  |  | (0.08%) |  |  |  |
Expected reduction in Medicare spending percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |
January 1, 2015 through June 30, 2015 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of medicare payment |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |
July 1, 2015 through December 31, 2015 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of medicare payment |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% |  |  |  |
From 2017 through 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of medicare payment |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption period in the limited partnership agreement |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% | 5.00% |  |  |
Minimum [Member] | Furniture & Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Minimum [Member] | Computer Software, Intangible Asset [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Minimum [Member] | Leasehold Improvements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Redemption period in the limited partnership agreement |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 35.00% | 35.00% |  |  |
Maximum [Member] | Year 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual limit on physical therapy and speech language pathology services |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,960 |  |  |  |
Annual limit occupational therapy services |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,960 |  |  |  |
Maximum [Member] | Furniture & Equipment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 years |  |  |  |
Maximum [Member] | Computer Software, Intangible Asset [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 years |  |  |  |
Maximum [Member] | Leasehold Improvements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation Amortization Impairment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |
[1] | as restated

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest expense on prepetition obligations included in the statement of operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=64805424&loc=d3e55733-112764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Prepetition Liabilities -URI http://asc.fasb.org/extlink&oid=6521744 + Details
Name: | us-gaap_InterestExpenseOnPrepetitionLiabilitiesRecognizedInStatementOfOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the effect of a change in accounting principle on basic earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22499-107794 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22580-107794 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64853466&loc=d3e22583-107794 + Details
Name: | us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnBasicEarningsPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
Name: | us-gaap_NumberOfOperatingSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 + Details
Name: | us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of reductions in federal spending during the period. + References No definition available. + Details
Name: | usph_AmountOfReductionsInFederalSpending
Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Annual Limit occupational therapy services during the period. + References No definition available. + Details
Name: | usph_AnnualLimitOccupationalTherapyServices
Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Annual Limit on physical therapy and speech language pathology services during the period. + References No definition available. + Details
Name: | usph_AnnualLimitOnPhysicalTherapyAndSpeechLanguagePathologyServices
Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Combined physical therapy/speech language pathology expenses during the period. + References No definition available. + Details
Name: | usph_CombinedPhysicalTherapySpeechLanguagePathologyExpenses
Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | usph_DepreciationAmortizationImpairmentLineItems
Namespace Prefix: | usph_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum difference between actual aggregate contractual reserve percentage as compared to estimated contractual allowance reserve percentage. + References No definition available. + Details
Name: | usph_DifferenceBetweenActualAggregateContractualReservePercentagesAsComparedToEstimatedContractualAllowanceReservePercentage
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Difference between net revenues and corresponding cash collections reflected percentage of net revenues. + References No definition available. + Details
Name: | usph_DifferenceBetweenNetRevenuesAndCorrespondingCashCollectionsReflectedPercentageOfNetRevenues
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected reduction in Medicare spending percentage during the period. + References No definition available. + Details
Name: | usph_ExpectedReductionInMedicareSpendingPercentage
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum contractual allowance reserve estimate. + References No definition available. + Details
Name: | usph_MaximumContractualAllowanceReserveEstimate
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum percentage of fair value reporting unit less than carrying amount. + References No definition available. + Details
Name: | usph_MinimumPercentageOfFairValueReportingUnitLessThanCarryingAmount
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net revenue from Medicare. + References No definition available. + Details
Name: | usph_NetRevenueFromMedicare
Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Refers to the number of additional clinics managed by the company in which part of interest acquired. + References No definition available. + Details
Name: | usph_NumberOfAdditionalClinicsManaged
Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to the number clinics owned by the company in which part of interest acquired. + References No definition available. + Details
Name: | usph_NumberOfClinicsOwnedAndOperated
Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of regions of the entity operates. + References No definition available. + Details
Name: | usph_NumberOfRegions
Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of medicare payment during the period. + References No definition available. + Details
Name: | usph_PercentageOfMedicarePayment
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to percentage of payment adjustments proposed by the agency. + References No definition available. + Details
Name: | usph_PercentageOfPaymentAdjustments
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of practice expense component of relative value unit during the period. + References No definition available. + Details
Name: | usph_PercentageOfPracticeExpenseComponentOfRelativeValueUnit
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage reduction for service in office or other non institutional settings during the period. + References No definition available. + Details
Name: | usph_PercentageReductionForServiceInOfficeOrOtherNonInstitutionalSettings
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the period of federal debt ceiling in connection with deficit reductions, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | usph_PeriodOfFederalDebtCeilingInConnectionWithDeficitReductions
Namespace Prefix: | usph_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to passage of specified number of years after the closing of the transaction of mandatorily redeemable non-controlling interests. + References No definition available. + Details
Name: | usph_RedemptionPeriodInTheLimitedPartnershipAgreement
Namespace Prefix: | usph_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reduction in Medicare spending percentage during the period. + References No definition available. + Details
Name: | usph_ReductionInMedicareSpendingPercentage
Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=usph_AccountingStandardsUpdate201609Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=usph_PhysicalTherapyPracticeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=usph_WorkforcePerformanceSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_UnusualOrInfrequentItemAxis=usph_Year2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_UnusualOrInfrequentItemAxis=usph_Year2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=usph_JanuaryFirstTwoThousandFifteenThroughJuneThirtyTwoThousandFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=usph_JulyFirstTwoThousandFifteenThroughDecemberThirtyFirstTwoThousandFifteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=usph_FromTwoThousandSeventeenThroughTwoThousandNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerSoftwareIntangibleAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |