Lease agreement annual incremental interest percentage.

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- Definition

Lease agreement interest percentage.

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- Definition

Number of lease extension options.

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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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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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For an unclassified balance sheet, amounts due from an entity in which the reporting entity shares joint control with another party or group.

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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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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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- Definition

Amount of difference between the carrying amount and the sales price of real estate properties sold as part of discontinued operations.

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No definition available.

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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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- Definition

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

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No definition available.

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The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

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Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

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Real Estate and Lending Activities - 2018 Activity - Additional Information (Detail) $ in Thousands, € in Millions						1 Months Ended				3 Months Ended			5 Months Ended	9 Months Ended
	Aug. 31, 2018 USD ($)	Aug. 28, 2018 EUR (€) Hospital	Jun. 06, 2018 EUR (€) Hospital	Mar. 31, 2017 USD ($)	Jan. 30, 2017 EUR (€)	Aug. 31, 2018 USD ($) Hospital	Aug. 31, 2018 EUR (€) Hospital	Mar. 31, 2018 USD ($)	Oct. 31, 2016 USD ($) RenewalOption	Dec. 31, 2018 EUR (€) Hospital	Sep. 30, 2018 USD ($) Hospital	Jun. 30, 2018 Hospital	Jan. 30, 2017 EUR (€) Hospital	Sep. 30, 2018 USD ($)
Business Acquisition [Line Items]
Gain on sale of real estate \| $				$ 7,400
Germany [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Gain on sale of real estate \| $											$ 695,200			$ 719,400
Purchase price of acquisition			€ 23.0
Germany [Member] \| Rehabilitation Hospital with Covenant Health System [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital			4										6
Purchase price of acquisition					€ 8.4								€ 44.1
Primotop Holdings S.a.r.l. [Member] \| Germany [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Gain on sale of real estate \| $	$ 500
2018 [Member] \| General Acute Care Hospital and Healthcare System [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital											4	4
Term of lease									15 years
Mortgage financing \| $								$ 525,400	$ 525,400
Number of lease extension options \| RenewalOption									3
Term of lease extension, years									5 years
2018 [Member] \| Germany [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Ownership interest in joint venture under the equity method							50.00%
Ownership interest in joint venture under the equity method value included in other assets							€ 211.0
Shareholder loan to joint venture							290.0
Gain on sale of real estate							500.0
2018 [Member] \| Germany [Member] \| Acute Care Hospital [Member] \| Fair Value [Member]
Business Acquisition [Line Items]
Aggregate fair value of ownership interest							€ 1,635.0
2018 [Member] \| Germany [Member] \| Rehabilitation Hospital with Covenant Health System [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital		3
Purchase price of acquisition		€ 17.3
2018 [Member] \| Germany [Member] \| Rehabilitation Hospital with Covenant Health System [Member] \| MEDIAN [Member]
Business Acquisition [Line Items]
Term of lease		27 years
Lease rent increase percentage		70.00%
Lease rate		1.00%
2018 [Member] \| Germany [Member] \| Rehabilitation Hospital with Covenant Health System [Member] \| Scenario, Forecast [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital										4
Purchase price of acquisition										€ 23.0
2018 [Member] \| Pasco, Washington [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Purchase price of acquisition \| $						$ 17,500
2018 [Member] \| Massachusetts [Member] \| General Acute Care Hospital and Healthcare System [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital											3	3
2018 [Member] \| Texas [Member] \| General Acute Care Hospital and Healthcare System [Member] \| Steward Health Care System LLC [Member]
Business Acquisition [Line Items]
Number of facilities acquired \| Hospital											1	1
2018 [Member] \| Primotop Holdings S.a.r.l. [Member] \| Germany [Member] \| Acute Care Hospital [Member]
Business Acquisition [Line Items]
Ownership interest in joint venture under the equity method							50.00%
Number of facilities acquired \| Hospital						71	71
Proceeds from joint venture							€ 1,140.0