Real Estate Investments - Mortgage Loan Activity (Details) - Mortgage Loans $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($) loan state item property $ / item	Jun. 30, 2017 USD ($)
Mortgage Loans
Gross Investment	$ 236,178
Percentage of Investment	100.00%
Number of Loans \| loan	4
Number of properties \| property	21
Investment per Bed/Unit \| $ / item	84.96
Specified basis points for annual increase in interest rate (as a percent)	2.25%
General amortization schedule of mortgage loans	30 years
Originations and fundings under mortgage loans receivable	$ 11,654	$ 7,829
Pay-offs received	(1,086)	(16,665)
Scheduled principal payments received	(550)	(674)
Net (decrease) increase in mortgage loans receivable	$ 10,018	$ (9,510)
SNF
Mortgage Loans
Number of states \| state	1
Number of operators \| state	1
Mortgage loans with 9.50% Interest Maturing 2043 \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.50%
Gross Investment	$ 186,496
Percentage of Investment	79.00%
Number of Loans \| loan	1
Number of properties \| property	15
Investment per Bed/Unit \| $ / item	91.29
Mortgage loans with 9.20% Interest Maturing 2045 \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.20%
Gross Investment	$ 25,326
Percentage of Investment	10.70%
Number of Loans \| loan	1
Number of properties \| property	3
Investment per Bed/Unit \| $ / item	67.54
Mortgage loans with 9.40% Interest Maturing 2045 \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.40%
Gross Investment	$ 14,300
Percentage of Investment	6.00%
Number of Loans \| loan	1
Number of properties \| property	1
Investment per Bed/Unit \| $ / item	91.08
Mortgages With 9.50 Percent Interest Maturing 2020 \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.50%
Gross Investment	$ 10,056
Percentage of Investment	4.30%
Number of Loans \| loan	1
Number of properties \| property	2
Investment per Bed/Unit \| $ / item	49.05
SNF Beds
Mortgage Loans
Number of beds/units \| item	2,780
SNF Beds \| Mortgage loans with 9.50% Interest Maturing 2043 \| SNF
Mortgage Loans
Number of beds/units \| item	2,043
SNF Beds \| Mortgage loans with 9.20% Interest Maturing 2045 \| SNF
Mortgage Loans
Number of beds/units \| item	375
SNF Beds \| Mortgage loans with 9.40% Interest Maturing 2045 \| SNF
Mortgage Loans
Number of beds/units \| item	157
SNF Beds \| Mortgages With 9.50 Percent Interest Maturing 2020 \| SNF
Mortgage Loans
Number of beds/units \| item	205
Michigan \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	8.70%
Specified basis points for annual increase in interest rate (as a percent)	2.25%
General amortization schedule of mortgage loans	5 years
Additions to mortgage loans	$ 7,400
Michigan \| SNF Beds \| SNF
Mortgage Loans
Number of beds/units \| item	112

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- Definition

Total amount of new mortgage loans and other additions on real estate during the reporting period.

+ References

No definition available.

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Represents the amortization period of mortgage loan on real estate properties.

+ References

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- Definition

The amount of principal collected on mortgage loans on real estate settled during the reporting period.

+ References

No definition available.

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The amount of scheduled principal payments collected on mortgage loans on real estate during the reporting period. Excludes settlement amounts (pay-offs).

+ References

No definition available.

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Represents the basis points specified for an increase in annual interest rate on mortgage loan receivable.

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No definition available.

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Total amount of new mortgage loans and other additions on real estate during the reporting period.

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- Definition

Represents the number of operators associated with certain investments.

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+ Details

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- Definition

Represents the number of states in which the entity has invested.

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- Definition

Represents the per unit investment in real estate held solely for investment purposes.

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Represents the investments in real estate held solely for investment purposes expressed as a percentage.

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No definition available.

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- Definition

The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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- Definition

Indicates the number of mortgages under each classification.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29.3)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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- Definition

Amount of increase (decrease) in mortgage loans on real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29.6)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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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

The number of units in a real estate property owned as of the balance sheet date.

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No definition available.

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- Definition

Amount of real estate investment property 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; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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