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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.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Name Statement of Financial Accounting Standard (FAS)

-Number 159

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-Name Accounting Principles Board Opinion (APB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

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- Definition

Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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- Definition

Revenues, net of returns and allowances, realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 2

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Relationship With Universal Health Realty Income Trust And Related Party Transactions (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	May 19, 2011 years	Sep. 30, 2011 Universal Health Realty Income Trust [Member]	Sep. 30, 2010 Universal Health Realty Income Trust [Member]	Sep. 30, 2011 Universal Health Realty Income Trust [Member]	Sep. 30, 2010 Universal Health Realty Income Trust [Member]	Dec. 31, 2010 Universal Health Realty Income Trust [Member]
Revenue, Major Customer [Line Items]
Trust outstanding shares held, percentage						6.20%		6.20%
Advisory fee from the trust						$ 525,000	$ 458,000	$ 1,500,000	$ 1,400,000
Pre-tax share of income from trust						133,000	236,000	693,000	795,000
Carrying value of investment in trust						5,800,000		5,800,000		7,300,000
Market value of investment in trust						26,500,000		26,500,000		28,800,000
Lease and rental expense	$ 23,076,000	$ 18,429,000	$ 69,583,000	$ 54,548,000		$ 4,100,000	$ 4,000,000	$ 12,400,000	$ 12,200,000
Lease renewal period, years					5