Amount of properties closed.

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Business combination equity interest in acquiree fair value.

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Combined purchase price and investment amount.

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Lease agreement annual incremental interest percentage.

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Lease agreement increase in consumer price index floor rate minimum.

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Lease agreement interest percentage.

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Lease expiration, month and year.

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Number of beds acquired.

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Number of facilities closed

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Number of lease extension options.

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Number of mortgage facilities.

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No definition available.

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Number of properties disposed.

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No definition available.

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Operating leases, income statement, lease income.

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Percentage of ownership interest in operator facilities.

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The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.

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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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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, from new investment.

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The number of businesses acquired by the entity during the period.

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The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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Real Estate and Lending Activities - 2017 Activity - Additional Information (Detail) € in Millions, $ in Millions							1 Months Ended		3 Months Ended				5 Months Ended	9 Months Ended
	Jun. 06, 2018 EUR (€) Hospital	Sep. 29, 2017 USD ($) Hospital Health_Center Facility	Jun. 22, 2017 EUR (€)	Jun. 01, 2017 USD ($) RenewalOption Bed	May 01, 2017 USD ($) Hospital Bed	Jan. 30, 2017 EUR (€)	Dec. 31, 2016 EUR (€) Property	Jul. 31, 2016 EUR (€) Property	Sep. 30, 2018 Facility	Sep. 30, 2017 USD ($) Hospital	Sep. 30, 2017 EUR (€) Hospital	Jun. 30, 2017 EUR (€) Hospital	Jan. 30, 2017 EUR (€) Hospital	Sep. 30, 2017 USD ($)
Business Acquisition [Line Items]
Number of facilities closed \| Facility									3
Acute Care Hospital [Member] \| Germany [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| €	€ 23.0
Rehabilitation Hospital with Covenant Health System [Member] \| Germany [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital	4												6
Purchase price of acquisition \| €						€ 8.4							€ 44.1
2017 [Member] \| Business Acquisitions [Member]
Business Acquisition [Line Items]
Revenue contributed by the acquired entity										$ 16.7				$ 25.1
Income contributed by the acquired entity										12.7				18.8
Acquisition related costs										$ 5.4				$ 15.6
2017 [Member] \| Subsidiaries [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Facility		9
Equity interest acquired		$ 100.0
Combined purchase price and investment amount		1,500.0
2017 [Member] \| Subsidiaries [Member] \| IASIS Healthcare [Member]
Business Acquisition [Line Items]
Purchase price of acquisition		700.0
2017 [Member] \| Subsidiaries [Member] \| Mortgage [Member]
Business Acquisition [Line Items]
Mortgage financing		$ 700.0
Number of mortgage facilities \| Hospital		2
2017 [Member] \| Acute Care Hospital [Member] \| Germany [Member] \| MEDIAN [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| €			€ 19.4
Lease agreement, end date			2042-12
Lease rate			1.00%
Lease rent increase percentage			70.00%
2017 [Member] \| Acute Care Hospital [Member] \| West Virginia and Ohio [Member] \| Alecto Healthcare Services [Member]
Business Acquisition [Line Items]
Purchase price of acquisition				$ 40.0
Term of lease				15 years
Percentage of increase in annual rent				2.00%
Number of lease extension options \| RenewalOption				3
Term of lease extension, years				5 years
Ownership interest percentage in operator facility				20.00%
2017 [Member] \| Acute Care Hospital [Member] \| IDAHO, Lewiston \| St. Joseph Regional Medical Center [Member]
Business Acquisition [Line Items]
Purchase price of acquisition					$ 87.5
Number of beds acquired \| Bed					145
2017 [Member] \| Acute Care Hospital [Member] \| IASIS Healthcare [Member]
Business Acquisition [Line Items]
Number of facilities closed \| Hospital		10
2017 [Member] \| Acute Care Hospital [Member] \| Ohio Valley Medical Center [Member] \| Alecto Healthcare Services [Member]
Business Acquisition [Line Items]
Number of beds acquired \| Bed				218
2017 [Member] \| Acute Care Hospital [Member] \| East Ohio Regional Hospital [Member] \| Alecto Healthcare Services [Member]
Business Acquisition [Line Items]
Number of beds acquired \| Bed				139
2017 [Member] \| Acute Care Hospital [Member] \| Subsidiaries [Member] \| IASIS Healthcare [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital		8
2017 [Member] \| Behavioral Health Care Facility [Member] \| IASIS Healthcare [Member]
Business Acquisition [Line Items]
Number of facilities closed \| Health_Center		1
2017 [Member] \| Behavioral Health Care Facility [Member] \| Subsidiaries [Member] \| IASIS Healthcare [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Health_Center		1
2017 [Member] \| Community Health Systems, Inc. [Member] \| Florida, Ohio, and Pennsylvania [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital					8
Purchase price of acquisition					$ 301.3
2017 [Member] \| Rehabilitation Hospital with Covenant Health System [Member] \| Germany [Member] \| Third Master Lease [Member]
Business Acquisition [Line Items]
Number of facilities acquired								20		2	2	11
Acquisition costs \| €								€ 215.7			€ 39.2	€ 127.0
Lease agreement, end date										2043-08	2043-08
Lease rate										1.00%	1.00%			1.00%
Lease rent increase percentage										70.00%	70.00%
Number of properties closed \| Property							7
Amount of properties closed \| €							€ 49.5