Relationship with Universal Health Realty Income Trust and Related Party Transactions (Details) (USD $)	9 Months Ended
	Sep. 30, 2012
McAllen Medical Center [Member]
Renewal Options and Terms for each of Four Hospital Facilities Leased from Trust
Type of Facility	Acute Care
Annual Minimum Rent	$ 5,485,000
End of Lease Term	2016-12
Renewal Term (years)	15 years
Wellington Regional Medical Center [Member]
Renewal Options and Terms for each of Four Hospital Facilities Leased from Trust
Type of Facility	Acute Care
Annual Minimum Rent	3,030,000
End of Lease Term	2016-12
Renewal Term (years)	15 years
Southwest Healthcare System, Inland Valley Campus [Member]
Renewal Options and Terms for each of Four Hospital Facilities Leased from Trust
Type of Facility	Acute Care
Annual Minimum Rent	2,648,000
End of Lease Term	2016-12
Renewal Term (years)	15 years
The Bridgeway [Member]
Renewal Options and Terms for each of Four Hospital Facilities Leased from Trust
Type of Facility	Behavioral Health
Annual Minimum Rent	$ 930,000
End of Lease Term	2014-12
Renewal Term (years)	10 years