Relationship with UHS and Related Party Transactions - Additional Information (Detail)	1 Months Ended	3 Months Ended	12 Months Ended				60 Months Ended
	Dec. 31, 2014 USD ($)	Mar. 31, 2015 USD ($) ft² Property	Dec. 31, 2015 USD ($) Property Time Option	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2015 USD ($) Property Time Option	Aug. 01, 2014	Jan. 01, 2014 Property
Related Party Transaction [Line Items]
Cash received for property exchange			$ 2,000,000	$ 17,300,000	$ 0
Number of real estate investments | Property			62				62
Percentage of minority ownership interests by parent	100.00%			100.00%
Annual advisory fee as percentage of average invested real estate assets	0.70%		0.70%	0.70%	0.70%		0.70%
Advisory fee			$ 2,810,000	$ 2,545,000	$ 2,369,000
Texoma Medical Properties
Related Party Transaction [Line Items]
Non-controlling equity interest, ownership percentage			95.00%				95.00%
Committed investment in equity, funded			$ 2,800,000				$ 2,800,000
Committed investment in equity and debt financing			149,000				149,000
Third-party term loan			$ 14,700,000				$ 14,700,000
Palmdale Medical Properties and Sparks Medical Properties
Related Party Transaction [Line Items]
Number of real estate investments | Property									2
Percentage of minority ownership interests by parent			100.00%				100.00%	100.00%
Mission and Weslaco Freestanding Emergency Departments
Related Party Transaction [Line Items]
Number of real properties purchased | Property		2
Area of acquired building | ft²		13,600
Lease agreement period		10 years
Estimated acquisition cost of free-standing emergency departments		$ 12,800,000
Estimated rental revenues		$ 900,000
Mission and Weslaco Freestanding Emergency Departments | First four renewal options
Related Party Transaction [Line Items]
Percentage increase in annual lease rate		2.00%
The Bridgeway
Related Party Transaction [Line Items]
Lease term scheduled end date			2014-12	2014-12
Cash received for property exchange	$ 17,300,000			$ 17,300,000
Gain on divestiture of property				13,000,000
Amount of annual lease earned				$ 1,100,000	$ 1,100,000	$ 1,100,000
Minimum
Related Party Transaction [Line Items]
Non-controlling equity interest, ownership percentage			33.00%				33.00%
Minimum | Mission and Weslaco Freestanding Emergency Departments | First four renewal options
Related Party Transaction [Line Items]
Additional renewal terms, covering year		2025
Minimum | Mission and Weslaco Freestanding Emergency Departments | Last two renewal options
Related Party Transaction [Line Items]
Additional renewal terms, covering year		2045
Minimum | 5 Unconsolidated Limited Liability Companies
Related Party Transaction [Line Items]
Non-controlling equity interest, ownership percentage			33.00%				33.00%
Maximum
Related Party Transaction [Line Items]
Number of term renewal options | Option			5				5
Non-controlling equity interest, ownership percentage			95.00%				95.00%
Maximum | Mission and Weslaco Freestanding Emergency Departments | First four renewal options
Related Party Transaction [Line Items]
Additional renewal terms, covering year		2044
Maximum | Mission and Weslaco Freestanding Emergency Departments | Last two renewal options
Related Party Transaction [Line Items]
Additional renewal terms, covering year		2054
Maximum | 5 Unconsolidated Limited Liability Companies
Related Party Transaction [Line Items]
Non-controlling equity interest, ownership percentage			95.00%				95.00%
Universal Health Services, Inc
Related Party Transaction [Line Items]
Number of term renewal options | Time			6				6
Additional renewal terms			5 years
Number of medical office buildings and free standing emergency departments | Property			16
Number of free standing emergency departments | Property			2
Option to renew lease, notice period prior to termination date of current term			90 days
Period to purchase respective leased facilities at same price after lease terms			180 days
Renewal period of respective leased facilities at same price after lease terms			180 days
Lease term scheduled end date			2016-12
Number of renewal options at existing lease rates | Time			3
Percentage ownership of outstanding shares	5.90%		5.90%	5.90%			5.90%
Universal Health Services, Inc | Customer Concentration Risk | Revenues
Related Party Transaction [Line Items]
Percentage of revenues generated from leases			25.00%	28.00%	30.00%		31.00%
Universal Health Services, Inc | Customer Concentration Risk | Combined consolidated and unconsolidated revenue
Related Party Transaction [Line Items]
Percentage of revenues generated from leases			20.00%	22.00%	22.00%		20.00%
Universal Health Services, Inc | Minimum
Related Party Transaction [Line Items]
Initial lease terms			13 years
Universal Health Services, Inc | Maximum
Related Party Transaction [Line Items]
Initial lease terms			15 years
Universal Health Services of Delaware Inc
Related Party Transaction [Line Items]
Annual incentive fee to Advisor as percentage of cash available for distribution			20.00%				20.00%
Incentive fees			$ 0	$ 0	$ 0
Advisory fee			2,800,000	2,500,000	2,400,000
Average invested real estate assets			$ 401,000,000	$ 363,000,000	$ 338,000,000
Universal Health Services of Delaware Inc | Minimum
Related Party Transaction [Line Items]
Percentage of equity to be exceeded for incentive distribution			15.00%				15.00%