Number of trading period.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

+ Details

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Summarized Financial Information of Equity Affiliates - Additional Information (Detail) - Property	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Aug. 01, 2014	Jan. 01, 2014
Schedule Of Equity Method Investments [Line Items]
Number of real estate investments	62
Percentage of minority ownership interests by parent		100.00%
Palmdale Medical Properties and Sparks Medical Properties
Schedule Of Equity Method Investments [Line Items]
Number of real estate investments				2
Percentage of minority ownership purchased from third-party members			5.00%	5.00%
Percentage of minority ownership interests by parent	100.00%		100.00%
Medical office buildings
Schedule Of Equity Method Investments [Line Items]
Number of real estate investments	49
Limited Liability Companies / Limited Partner \| Medical office buildings
Schedule Of Equity Method Investments [Line Items]
Number of real estate investments	5
Limited Liability Companies
Schedule Of Equity Method Investments [Line Items]
Number of real estate investments		8	6	6
Limited Liability Companies \| Palmdale Medical Properties and Sparks Medical Properties
Schedule Of Equity Method Investments [Line Items]
Percentage of minority ownership interests by parent			100.00%
Limited Liability Companies \| Medical office buildings
Schedule Of Equity Method Investments [Line Items]
Number of real estate investments	5
Minimum
Schedule Of Equity Method Investments [Line Items]
Non-controlling equity interest, ownership percentage	33.00%
Percentage of minority ownership purchased from third-party members			5.00%
Number of days for Non-Offering Member either to purchase or sell its entire ownership interest to or from Offering Member	60 days
Minimum \| Limited Liability Companies
Schedule Of Equity Method Investments [Line Items]
Percentage of minority ownership purchased from third-party members			5.00%
Maximum
Schedule Of Equity Method Investments [Line Items]
Non-controlling equity interest, ownership percentage	95.00%
Percentage of minority ownership purchased from third-party members			15.00%
Number of days for Non-Offering Member either to purchase or sell its entire ownership interest to or from Offering Member	90 days
Maximum \| Limited Liability Companies
Schedule Of Equity Method Investments [Line Items]
Percentage of minority ownership purchased from third-party members			15.00%
5 Unconsolidated Limited Liability Companies / Limited Partner \| Minimum
Schedule Of Equity Method Investments [Line Items]
Non-controlling equity interest, ownership percentage	33.00%
5 Unconsolidated Limited Liability Companies / Limited Partner \| Maximum
Schedule Of Equity Method Investments [Line Items]
Non-controlling equity interest, ownership percentage	95.00%