Allowance For Straight Line Rent

No definition available.

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- Definition

Lease Termination, Consideration Received

+ References

No definition available.

+ Details

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- Definition

Lease Termination, Consideration Received, Retained Security Deposits

+ References

No definition available.

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- Definition

Lease Termination, Consideration Received, Termination Fees

+ References

No definition available.

+ Details

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- Definition

Letters Of Credit Deposits

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No definition available.

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- Definition

Litigation Settlement, Amount Awarded From Other Party, Portion Applied To Rental Income

+ References

No definition available.

+ Details

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- Definition

Number Of Real Estate Properties Expected To Be Retained

+ References

No definition available.

+ Details

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- Definition

Number Of Real Estate Properties Held For Sale

+ References

No definition available.

+ Details

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- Definition

Number Of Real Estate Properties Sold

+ References

No definition available.

+ Details

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- Definition

Operating Lease, Rent Shortfall, Amount Not Received

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Operating Leases, Lease Expiration Period

+ References

No definition available.

+ Details

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- Definition

Operating Leases Of Lessee, Reduction In Annual Base Rent, Lease Restructuring Agreement

+ References

No definition available.

+ Details

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- Definition

Operating Leases Of Lessor, Annual Lease Rent

+ References

No definition available.

+ Details

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- Definition

Operating Leases, Weighted Average Lease Expiration Period

+ References

No definition available.

+ Details

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- Definition

Property Taxes, Insurance, And Tenant Improvement Deposit Liability

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Real Estate Properties Under Lease

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Straight-Line Rent Receivable

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524

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-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

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- Definition

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

+ References

No definition available.

+ Details

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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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- Definition

This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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REAL ESTATE PROPERTIES HELD FOR INVESTMENT - Narrative (Details) $ in Millions		2 Months Ended	3 Months Ended		12 Months Ended
	Feb. 15, 2019 USD ($)	Feb. 25, 2019 USD ($) Facilitiy	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) Facilitiy	Dec. 31, 2018 USD ($) Facilitiy	Jan. 31, 2019 USD ($) Facilitiy	Dec. 05, 2018 Facilitiy	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($) Facilitiy
Real Estate Properties [Line Items]
Weighted average expiration period					9 years
Security deposit liability				$ 12.4	$ 12.4				$ 20.3
Letters of credit deposited				98.0	98.0				96.0
Deposits held for future real estate taxes, insurance expenditures and tenant improvement				17.5	17.5				28.3
Reserve for unpaid cash rents				1.3	1.3				3.2
Reserve associated with straight-line rental income				35.8	$ 35.8				$ 12.4
Minimum
Real Estate Properties [Line Items]
Operating lease expiration period					1 year
Maximum
Real Estate Properties [Line Items]
Operating lease expiration period					15 years
Weighted Average
Real Estate Properties [Line Items]
Operating lease expiration period					9 years
Holiday Retirement
Real Estate Properties [Line Items]
Straight-line rent receivable				$ 28.9	$ 28.9
Forecast \| Holiday Retirement
Real Estate Properties [Line Items]
Senior housing communities subject to the master lease \| Facilitiy		21
Total consideration received upon termination		$ 57.2
Security deposits retained upon termination		15.1
Termination fees received upon termination		$ 42.1
Senior Care Centers Sale Facilities \| Subsequent Event
Real Estate Properties [Line Items]
Aggregate sales price						$ 282.5
Genesis Healthcare, Inc.
Real Estate Properties [Line Items]
Number of properties \| Facilitiy				11	11
Reduction of annual base rent								$ 19.0
Number of properties sold \| Facilitiy					43
Number of properties to be sold \| Facilitiy				3	3
Number of properties to be retained \| Facilitiy				8	8
Senior Care Centers
Real Estate Properties [Line Items]
Net shortfall in cash rents				$ 16.5
Straight-line rent receivable				5.3	$ 5.3
Annual lease rate				$ 58.5
Senior Care Centers \| Subsequent Event
Real Estate Properties [Line Items]
Portion of settlement applied to post-petition rent	$ 5.7
Senior Care Centers \| Forecast \| Minimum
Real Estate Properties [Line Items]
Impairment charge			$ 60.1
Senior Care Centers \| Forecast \| Maximum
Real Estate Properties [Line Items]
Impairment charge			$ 76.0
Skilled Nursing/Transitional Care \| Senior Care Centers Sale Facilities
Real Estate Properties [Line Items]
Number of properties to be sold \| Facilitiy							36
Skilled Nursing/Transitional Care \| Senior Care Centers Sale Facilities \| Subsequent Event
Real Estate Properties [Line Items]
Number of properties to be sold \| Facilitiy						26
Number of properties to be retained \| Facilitiy						10
Senior Housing Communities \| Senior Care Centers Sale Facilities
Real Estate Properties [Line Items]
Number of properties to be sold \| Facilitiy							2
Senior Housing Communities \| Senior Care Centers Sale Facilities \| Subsequent Event
Real Estate Properties [Line Items]
Number of properties to be sold \| Facilitiy						2
Operating Segments
Real Estate Properties [Line Items]
Number of properties \| Facilitiy				470	470				507
Operating Segments \| Senior Housing - Managed
Real Estate Properties [Line Items]
Number of properties \| Facilitiy				23	23				13