Real Estate Investments - Mortgage Loan Activity (Details) - Mortgage Loans $ in Thousands	9 Months Ended
Sep. 30, 2018 USD ($) loan state item property $ / item	Sep. 30, 2017 USD ($)
Mortgage Loans
Gross Investment	$ 245,053
Percentage of Investment	100.00%
Number of Loans \| loan	4
Number of properties \| property	22
Investment per Bed/Unit \| $ / item	84.73
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	$ 20,530	$ 9,333
Pay-offs received	(1,086)	(16,665)
Scheduled principal payments received	(550)	(686)
Net (decrease) increase in mortgage loans receivable	$ 18,894	$ (8,018)
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	$ 186,495
Percentage of Investment	76.10%
Number of Loans \| loan	1
Number of properties \| property	15
Investment per Bed/Unit \| $ / item	91.91
Mortgage loans with 9.20% Interest Maturing 2045 \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.20%
Gross Investment	$ 33,028
Percentage of Investment	13.50%
Number of Loans \| loan	1
Number of properties \| property	4
Investment per Bed/Unit \| $ / item	65.92
Mortgage loans with 9.40% Interest Maturing 2045 \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.40%
Gross Investment	$ 14,797
Percentage of Investment	6.00%
Number of Loans \| loan	1
Number of properties \| property	1
Investment per Bed/Unit \| $ / item	94.25
Mortgages With 9.50 Percent Interest Maturing 2020 \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.50%
Gross Investment	$ 10,733
Percentage of Investment	4.40%
Number of Loans \| loan	1
Number of properties \| property	2
Investment per Bed/Unit \| $ / item	52.36
SNF Beds
Mortgage Loans
Number of beds/units \| item	2,892
SNF Beds \| Mortgage loans with 9.50% Interest Maturing 2043 \| SNF
Mortgage Loans
Number of beds/units \| item	2,029
SNF Beds \| Mortgage loans with 9.20% Interest Maturing 2045 \| SNF
Mortgage Loans
Number of beds/units \| item	501
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 \| Mortgages with 8.7% Interest, fixed for five years, and escalating by 2.25% thereafter \| 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 \| Mortgages with 9.41% Interest, fixed for five years, and escalating by 2.25% thereafter \| SNF
Mortgage Loans
Interest rate for mortgage loan (as a percent)	9.41%
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	$ 7,125
Michigan \| SNF Beds \| Mortgages with 8.7% Interest, fixed for five years, and escalating by 2.25% thereafter \| SNF
Mortgage Loans
Number of beds/units \| item	112
Michigan \| SNF Beds \| Mortgages with 9.41% Interest, fixed for five years, and escalating by 2.25% thereafter \| SNF
Mortgage Loans
Number of beds/units \| item	126

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The increase (decrease) during the reporting period in the value of mortgage loans.

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

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

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

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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).

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

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Represents the number of operators associated with certain investments.

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

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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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Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
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-SubTopic 310
-Section S99
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Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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

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

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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.

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-SubTopic 210
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