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Real Estate Properties - Schedule of Real Estate Properties (Details) $ in Thousands		1 Months Ended									9 Months Ended
	Nov. 06, 2019 USD ($)	Nov. 06, 2019 USD ($) property	Oct. 31, 2019 USD ($) ft² living_unit property	Sep. 30, 2019 USD ($) ft² living_unit building property	Aug. 31, 2019 USD ($) ft² building	Jul. 31, 2019 USD ($) ft² building	Jun. 30, 2019 USD ($) ft² building property	May 31, 2019 USD ($) ft² living_unit building	Mar. 31, 2019 USD ($) ft² building	Feb. 28, 2019 USD ($) ft² building	Sep. 30, 2019 USD ($) building property
SNF
Real Estate [Line Items]
Number of real estate properties sold | property				15
MOBs
Real Estate [Line Items]
Number of real estate properties sold | property							4
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate [Line Items]
Gross Sales Price											$ 53,033
Number of real estate properties sold | building											33
Gain (loss) on Sale											$ 21,893
Disposal Group, Disposed of by Sale, Not Discontinued Operations | SNF
Real Estate [Line Items]
Gross Sales Price											$ 29,500
Number of real estate properties sold | property											18
Disposal Group, Disposed of by Sale, Not Discontinued Operations | SNF | California
Real Estate [Line Items]
Number of units | living_unit								278
Gross Sales Price								$ 21,500
Number of real estate properties sold | building								3
Gain (loss) on Sale								$ 15,207
Disposal Group, Disposed of by Sale, Not Discontinued Operations | SNF | Various
Real Estate [Line Items]
Number of units | living_unit				964
Gross Sales Price				$ 8,000
Number of real estate properties sold | building				15
Gain (loss) on Sale				$ 0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | MOBs | Florida
Real Estate [Line Items]
Square footage of properties sold | ft²										60,396
Gross Sales Price										$ 2,900
Number of real estate properties sold | building										1
Gain (loss) on Sale										$ (69)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | MOBs | Massachusetts
Real Estate [Line Items]
Square footage of properties sold | ft²				41,065	49,357	103,484	164,121		4,400
Gross Sales Price				$ 2,750	$ 2,221	$ 4,955	$ 8,042		$ 75
Number of real estate properties sold | building				1	1	3	7		1
Gain (loss) on Sale				$ 1,044	$ 812	$ 2,332	$ 1,590		$ (58)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | MOBs | Colorado
Real Estate [Line Items]
Square footage of properties sold | ft²								15,647
Gross Sales Price								$ 2,590
Number of real estate properties sold | building								1
Gain (loss) on Sale								$ 1,035
Subsequent Event
Real Estate [Line Items]
Gross Sales Price	$ 452,804
Subsequent Event | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate [Line Items]
Gross Sales Price		$ 58,000
Number of real estate properties sold | property		4
Subsequent Event | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Independent Living/SNF | South Dakota
Real Estate [Line Items]
Number of units | living_unit			245
Gross Sales Price			$ 10,500
Number of real estate properties sold | property			3
Subsequent Event | Disposal Group, Disposed of by Sale, Not Discontinued Operations | MOBs | New Jersey
Real Estate [Line Items]
Square footage of properties sold | ft²			205,439
Gross Sales Price			$ 47,500
Number of real estate properties sold | property			1

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Number Of Living Units

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

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-Name Accounting Standards Codification
-Topic 230
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-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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