CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
OPERATING ACTIVITIES
Net income including non-controlling interests	$ 30,424us-gaap_ProfitLoss	$ 20,996us-gaap_ProfitLoss	$ 26,217us-gaap_ProfitLoss
Adjustments to reconcile net income including non-controlling interests to net cash provided by operating activities:
Depreciation and amortization	6,740	5,562	5,287
Provision for doubtful accounts	4,112	4,384	4,848
Equity-based awards compensation expense	3,363us-gaap_ShareBasedCompensation	2,743us-gaap_ShareBasedCompensation	2,102us-gaap_ShareBasedCompensation
Loss on sale of business and fixed assets	35	7,335	175
Excess tax benefit from exercise of stock options	(948)	(695)	(1,351)
Deferred income tax	6,275us-gaap_DeferredIncomeTaxExpenseBenefit	2,369us-gaap_DeferredIncomeTaxExpenseBenefit	3,738us-gaap_DeferredIncomeTaxExpenseBenefit
Goodwill written off - closed clinic	135usph_GoodwillWrittenOff	0usph_GoodwillWrittenOff	0usph_GoodwillWrittenOff
Changes in operating assets and liabilities:
Increase in patient accounts receivable	(5,388)	(5,389)	(1,663)
Decrease (increase) in accounts receivable - other	341	(5)	(561)
(Increase) decrease in other assets	(2,493)	1,803	(585)
Increase (decrease) in accounts payable and accrued expenses	1,868	4,833	(340)
Increase in other liabilities	730	859	1,382
Net cash provided by operating activities	45,194	44,795	39,249
INVESTING ACTIVITIES
Purchase of fixed assets	(5,167)	(4,637)	(4,234)
Purchase of businesses, net of cash acquired	(12,270)	(46,628)	(7,929)
Acquisitions of non-controlling interests	(5,490)	(1,876)	(2,244)
Sale of non-controlling interests	0	233	239
Proceeds on sale of business and fixed assets, net	47	459	64
Net cash used in investing activities	(22,880)	(52,449)	(14,104)
FINANCING ACTIVITIES
Distributions to non-controlling interests	(9,913)	(9,164)	(9,332)
Cash dividends to shareholders	(5,873)us-gaap_PaymentsOfDividendsCommonStock	(4,838)us-gaap_PaymentsOfDividendsCommonStock	(9,017)us-gaap_PaymentsOfDividendsCommonStock
Proceeds from revolving line of credit	134,300us-gaap_ProceedsFromLinesOfCredit	150,800us-gaap_ProceedsFromLinesOfCredit	79,900us-gaap_ProceedsFromLinesOfCredit
Payments on revolving line of credit	(139,800)us-gaap_RepaymentsOfLinesOfCredit	(128,200)us-gaap_RepaymentsOfLinesOfCredit	(86,000)us-gaap_RepaymentsOfLinesOfCredit
Payment of notes payable	(825)us-gaap_RepaymentsOfNotesPayable	(459)us-gaap_RepaymentsOfNotesPayable	(434)us-gaap_RepaymentsOfNotesPayable
Tax benefit from stock options exercised	948	695	1,351
Other	222	47	75
Net cash provided by (used in) financing activities	(20,941)	8,881	(23,457)
Net increase in cash and cash equivalents	1,373	1,227	1,688
Cash and cash equivalents - beginning of period	12,898	11,671	9,983
Cash and cash equivalents - end of period	14,271	12,898	11,671
Cash paid during the period for:
Income taxes	9,253us-gaap_IncomeTaxesPaidNet	4,111us-gaap_IncomeTaxesPaidNet	6,361us-gaap_IncomeTaxesPaidNet
Interest	1,103us-gaap_InterestPaidNet	352us-gaap_InterestPaidNet	639us-gaap_InterestPaidNet
Non-cash investing and financing transactions during the period:
Purchase of business - seller financing portion	400	1,300	350
Acquisition of non-controlling interest - seller financing portion	67	0	0
Revaluation of redeemable non-controlling interests	$ 1,841	$ 0	$ 0

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.