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EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Computation of earnings per share - USPH shareholders [Abstract] |  |  |  |
Net income attributable to USPH shareholders | $ 8,102 | $ 5,150 | $ 24,465 | $ 14,907
Charges to Retained Earnings [Abstract] |  |  |  |
Revaluation of redeemable non-controlling interest | (8,680) | 0 | (18,105) | 0
Tax effect at statutory rate (federal and state) of 26.25% | 2,279 | 0 | 4,753 | 0
Net income attributable to common shareholders | $ 1,701 | $ 5,150 | $ 11,113 | $ 14,907
Basic and diluted per share (in dollars per share) | $ 0.13 | $ 0.41 | $ 0.88 | $ 1.19
Shares used in computation: [Abstract] |  |  |  |
Basic and diluted (in shares) | 12,685 | 12,581 | 12,660 | 12,563
Federal and state statutory income tax rate |  |  | 26.25% |

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1337-109256 + Details
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