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Acquisitions of Businesses (Details) |  |  |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 31, 2018 USD ($) Installment | Apr. 30, 2018 Business | Oct. 31, 2017 USD ($) Installment | Jun. 30, 2017 USD ($) Installment | May 31, 2017 USD ($) Installment | Mar. 23, 2017 USD ($) | Jan. 01, 2017 USD ($) Installment | Nov. 30, 2016 USD ($) Installment | Feb. 29, 2016 USD ($) Installment | Dec. 31, 2018 USD ($) Clinic Operation | Dec. 31, 2017 USD ($) Clinic Contract | Dec. 31, 2016 USD ($) Clinic Subsidiary
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  | 35.00% |
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  | 5 | 2 | 2
Number of acquired operations combined | Operation |  |  |  |  |  |  |  |  |  | 2 |  |
Number of management contracts | Contract |  |  |  |  |  |  |  |  |  |  | 2 |
Number of clinics consolidated with an existing clinic | Clinic |  |  |  |  |  |  |  |  |  |  | 1 |
Number of clinics that operate as a satellite clinic with existing partnerships | Clinic |  |  |  |  |  |  |  |  |  |  | 1 |
Cash paid, net of cash acquired |  |  |  |  |  |  |  |  |  | $ 16,367,000 | $ 36,682,000 | $ 23,623,000
Seller notes |  |  |  |  |  |  |  |  |  | 950,000 | 2,150,000 | 1,000,000
Total consideration |  |  |  |  |  |  |  |  |  | 17,317,000 | 38,832,000 | 24,623,000
Estimated fair value of net tangible assets acquired: [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total current assets |  |  |  |  |  |  |  |  |  | 1,691,000 | 5,853,000 | 1,372,000
Total non-current assets |  |  |  |  |  |  |  |  |  | 42,000 | 1,527,000 | 839,000
Total liabilities |  |  |  |  |  |  |  |  |  | (486,000) | (2,865,000) | (399,000)
Net tangible assets acquired |  |  |  |  |  |  |  |  |  | 1,247,000 | 4,515,000 | 1,812,000
Referral relationships |  |  |  |  |  |  |  |  |  | 1,879,000 | 4,250,000 | 4,919,000
Non-compete |  |  |  |  |  |  |  |  |  | 386,000 | 660,000 | 847,000
Tradename |  |  |  |  |  |  |  |  |  | 2,172,000 | 6,850,000 | 3,802,000
Goodwill |  |  |  |  |  |  |  |  |  | 19,778,000 | 46,722,000 | 32,123,000
Fair value of non-controlling interest (classified as redeemable non-controlling interests) |  |  |  |  |  |  |  |  |  | (8,145,000) | (13,883,000) |
Fair value of non-controlling interest (originally classified as mandatorily redeemable non-controlling interests) |  |  |  |  |  |  |  |  |  |  | (10,282,000) | (18,880,000)
Total consideration |  |  |  |  |  |  |  |  |  | $ 17,317,000 | $ 38,832,000 | $ 24,623,000
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  | 5.50% |  | 2.00%
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  | 35.00% |  | 35.00%
Referral Relationships [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives of acquired intangibles |  |  |  |  |  |  |  |  |  | 10 years 1 month 6 days | 10 years 1 month 6 days |
Referral Relationships [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives of acquired intangibles |  |  |  |  |  |  |  |  |  | 10 years 6 months 14 days | 10 years 6 months 14 days |
Non-compete Agreements [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives of acquired intangibles |  |  |  |  |  |  |  |  |  | 5 years 1 month 28 days | 5 years 1 month 28 days |
Non-compete Agreements [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives of acquired intangibles |  |  |  |  |  |  |  |  |  | 6 years | 6 years |
Tradenames [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Estimated useful lives of acquired intangibles |  |  |  |  |  |  |  |  |  | 6 years |  |
February 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  |  |  |  |  |  | $ 194,000
February 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  |  |  |  |  |  | 194,000
Industrial Injury Prevention [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  | 65.00% |  |  |  | 55.00% |  |  |  |  |  |
Cash paid for acquisition of interest in clinic |  |  |  |  |  | $ 6,200,000 |  |  |  |  |  |
Number of businesses merged | Business |  | 2 |  |  |  |  |  |  |  |  |  |
Percentage of combined business interest owned |  | 59.45% |  |  |  |  |  |  |  |  |  |
Seller notes |  |  |  |  |  | $ 400,000 |  |  |  |  |  |
August 2018 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  |  |  |  | Aug. 31, 2018 |  |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  | 70.00% |  |
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  | 4 |  |
Cash paid for acquisition of interest in clinic | $ 7,200,000 |  |  |  |  |  |  |  |  |  |  |
Business acquisition number of installments to payment of purchase consideration | Installment | 2 |  |  |  |  |  |  |  |  |  |  |
Seller notes | $ 400,000 |  |  |  |  |  |  |  |  |  |  |
August 2018 Acquisition [Member] | August 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest | 200,000 |  |  |  |  |  |  |  |  |  |  |
August 2018 Acquisition [Member] | August 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest | $ 200,000 |  |  |  |  |  |  |  |  |  |  |
January 2017 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  |  |  |  |  | Jan. 01, 2017 |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  | 70.00% |
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  |  | 17 |
Cash paid for acquisition of interest in clinic |  |  |  |  |  |  | $ 10,700,000 |  |  |  |  |
Business acquisition number of installments to payment of purchase consideration | Installment |  |  |  |  |  |  | 2 |  |  |  |  |
Seller notes |  |  |  |  |  |  |  |  |  |  |  | $ 500,000
January 2017 Acquisition [Member] | January 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  | $ 250,000 |  |  |  |  |
January 2017 Acquisition [Member] | January 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  | $ 250,000 |  |  |  |  |
May 2017 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  |  |  |  |  | May 31, 2017 |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  | 70.00% |
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  |  | 4 |
Cash paid for acquisition of interest in clinic |  |  |  |  | $ 2,300,000 |  |  |  |  |  |  |
Business acquisition number of installments to payment of purchase consideration | Installment |  |  |  |  | 2 |  |  |  |  |  |  |
Seller notes |  |  |  |  | $ 250,000 |  |  |  |  |  |  |
May 2017 Acquisition [Member] | May 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  | 125,000 |  |  |  |  |  |  |
May 2017 Acquisition [Member] | May 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  | $ 125,000 |  |  |  |  |  |  |
June 2017 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  |  |  |  |  | Jun. 30, 2017 |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  | 60.00% |
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  |  | 9 |
Cash paid for acquisition of interest in clinic |  |  |  | $ 15,800,000 |  |  |  |  |  |  |  |
Business acquisition number of installments to payment of purchase consideration | Installment |  |  |  | 2 |  |  |  |  |  |  |  |
Seller notes |  |  |  | $ 500,000 |  |  |  |  |  |  |  |
June 2017 Acquisition [Member] | June 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  | 250,000 |  |  |  |  |  |  |  |
June 2017 Acquisition [Member] | June 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  | $ 250,000 |  |  |  |  |  |  |  |
October 2017 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  |  |  |  |  | Oct. 31, 2017 |
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  | 70.00% |
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  |  | 9 |
Cash paid for acquisition of interest in clinic |  |  | $ 4,000,000 |  |  |  |  |  |  |  |  |
Business acquisition number of installments to payment of purchase consideration | Installment |  |  | 2 |  |  |  |  |  |  |  |  |
Seller notes |  |  | $ 500,000 |  |  |  |  |  |  |  |  |
October 2017 Acquisition [Member] | October 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  | 250,000 |  |  |  |  |  |  |  |  |
October 2017 Acquisition [Member] | October 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  | $ 250,000 |  |  |  |  |  |  |  |  |
February 2016 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  |  |  |  |  |  | Feb. 29, 2016
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  |  | 55.00%
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  |  |  | 8
Cash paid for acquisition of interest in clinic |  |  |  |  |  |  |  |  | $ 13,200,000 |  |  |
Business acquisition number of installments to payment of purchase consideration | Installment |  |  |  |  |  |  |  |  | 2 |  |  |
Seller notes |  |  |  |  |  |  |  |  | $ 500,000 |  |  |
February 2016 Acquisition [Member] | February 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  |  |  | 250,000 |  |  |
February 2016 Acquisition [Member] | February 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  |  |  | $ 250,000 |  |  |
November 2016 Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  |  |  |  |  |  |  |  | Nov. 30, 2016
Percentage of interest acquired |  |  |  |  |  |  |  |  |  |  |  | 60.00%
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  |  |  | 12
Cash paid for acquisition of interest in clinic |  |  |  |  |  |  |  | $ 11,000,000 |  |  |  |
Business acquisition number of installments to payment of purchase consideration | Installment |  |  |  |  |  |  |  | 2 |  |  |  |
Seller notes |  |  |  |  |  |  |  | $ 500,000 |  |  |  |
November 2016 Acquisition [Member] | November 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  |  | 250,000 |  |  |  |
November 2016 Acquisition [Member] | November 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition cost payable in two principal installments including accrued interest |  |  |  |  |  |  |  | $ 250,000 |  |  |  |
Acquisition of Single Clinic Practice [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price for the acquired clinic practices |  |  |  |  |  |  |  |  |  |  |  | $ 75,000
Number of subsidiaries acquired clinic practices | Subsidiary |  |  |  |  |  |  |  |  |  |  |  | 2
Acquisition of Five Clinic Practices [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Number of clinics | Clinic |  |  |  |  |  |  |  |  |  | 5 |  |
Cash paid for acquisition of interest in clinic |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |
Aggregate purchase price for the acquired clinic practices |  |  |  |  |  |  |  |  |  | 850,000 |  |
Seller notes |  |  |  |  |  |  |  |  |  | $ 150,000,000,000 |  |
Acquisition of Five Clinic Practices [Member] | August 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Description [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Percentage of interest accrued |  |  |  |  |  |  |  |  |  | 4.50% |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477 + Details
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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=108330185&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The number of businesses acquired by the entity during the period. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- 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 -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of business acquisition cost of acquired entity debt issued on the date of acquisition. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business acquisition number of installments to payment of purchase consideration. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of business acquisition principal installments payable at cost of acquired by entity at accrued interest. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of net tangible asset acquired at the acquisition date. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life of acquired finite-lived intangible assets in business combination, 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_BusinessCombinationAcquiredFiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | usph_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the fair value of the redeemable noncontrolling interest in the acquiree at the acquisition date. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of non-competition agreements recognized as of the acquisition date. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of referral relationships at the acquisition date. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of tradename recognized as of the acquisition date. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Represents number of acquired operation combined by the entity during the period. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of businesses merged during the period. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of clinics consolidated with the existing clinics during the period. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of clinics operates as a satellite clinic with existing partnerships during the period. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to number of management contracts. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents number of subsidiaries of the entity acquired clinic practices during the period. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payments to acquire businesses total consideration. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Percentage of combined business interest owned during the period. + References No definition available. + Details
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Namespace Prefix: | usph_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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- Details
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- Details
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- Details
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Namespace Prefix: |
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- Details
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |