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Real Estate Properties - Discontinued Operations and Properties Held for Sale (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 USD ($) ft² community building property item | Sep. 30, 2015 community | Aug. 31, 2015 USD ($) community | Jul. 31, 2015 USD ($) community | May. 31, 2015 community item | Apr. 30, 2015 USD ($) building property | Feb. 28, 2015 USD ($) community | Dec. 31, 2015 USD ($) ft² community building property item | Dec. 31, 2014 USD ($) ft² community building property item | Dec. 31, 2013 USD ($)
Real estate properties |  |  |  |  |  |  |  |  |  |
Gain on sale of properties |  |  |  |  |  |  |  |  | $ 5,453 | $ 37,392
Impairment of assets |  |  |  |  |  |  |  | $ 194 | (10) | 7,989
Number of Buildings Held For Sale | building | 1 |  |  |  |  |  |  | 1 |  |
Number of properties classified as held for sale | property | 1 |  |  |  |  |  |  | 1 |  |
Area of real estate properties leased (in square feet) | ft² |  |  |  |  |  |  |  | 1,032,000 |  |
(Loss) income from discontinued operations |  |  |  |  |  |  |  | $ (350) | 1,362 | 5,043
Leases Committed Expenditure |  |  |  |  |  |  |  | 20,314 |  |
Lease Committed but Unspent Tenant Related Obligations |  |  |  |  |  |  |  | 16,671 |  |
Discontinued Operations, Held-for-sale |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  |  |  |  | $ 796 |  |
Number of properties classified as held for sale | item | 1 |  |  |  |  |  |  | 1 |  |
Discontinued Operations, Held-for-sale or Disposed of by Sale |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Rental income |  |  |  |  |  |  |  | $ 56 | 3,949 | 9,451
Property operating expenses |  |  |  |  |  |  |  | (406) | (2,587) | (3,609)
Depreciation and amortization |  |  |  |  |  |  |  |  |  | (799)
(Loss) income from discontinued operations |  |  |  |  |  |  |  | (350) | 1,362 | $ 5,043
Other Assets | Discontinued Operations, Held-for-sale |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Assets held for sale | $ 5,356 |  |  |  |  |  |  | $ 5,356 |  |
Senior Living Communities |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  |  |  |  |  | $ 4,377 |
Number of communities | community |  |  |  |  | 1 |  |  | 19 |  |
Number of living units | item |  |  |  |  | 838 |  |  |  |  |
Senior Living Communities | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Number of properties sold | community | 1 |  | 1 | 1 |  |  | 1 |  | 6 |
Sale price of property sold and agreed to be sold | $ 21 |  | $ 850 | $ 155 |  |  | $ 250 |  | $ 15,650 |
Gain on sale of properties |  |  |  |  |  |  |  |  | $ 5,452 |
Senior Living Communities | Discontinued Operations, Held-for-sale |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Number of living units | item | 140 |  |  |  |  |  |  | 140 | 312 |
Number of properties classified as held for sale | community |  |  |  |  |  |  |  |  | 4 |
MOBs |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Number of communities | community |  |  |  |  |  |  |  |  | 2 |
Number of Buildings Held For Sale | building | 7 |  |  |  |  |  |  | 7 | 7 |
Number of Real Estate Properties, Impaired | item |  |  |  |  |  |  |  |  | 4 |
Number of properties classified as held for sale | property | 4 |  |  |  |  |  |  | 4 |  |
MOBs | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Number of properties sold | property |  |  |  |  |  | 1 |  |  | 3 |
Number of buildings sold | building |  |  |  |  |  | 4 |  |  | 3 |
Sale price of property sold and agreed to be sold |  |  |  |  |  | $ 1,500 |  |  | $ 11,675 |
MOBs | Discontinued Operations, Held-for-sale |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Area Of Real Estate Property Held For Sale | ft² |  |  |  |  |  |  |  |  | 323,541 |
Number of properties classified as held for sale | item |  |  |  |  |  |  |  |  | 1 |
Acquisition | Senior Living Communities |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Number of communities | community |  | 1 |  |  | 37 |  |  |  | 2 |
Number of living units | item | 3,563 |  |  |  |  |  |  | 3,563 | 228 |
Acquisition | MOBs |  |  |  |  |  |  |  |  |  |
Real estate properties |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² | 2,170,000 |  |  |  |  |  |  | 2,170,000 | 1,776,000 |

X
- Definition Represents the area of a real estate property, held for sale. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

X
- Definition Amount of expense incurred and directly related to generating revenue from leased and rented property or equipment that part of disposal group. + References No definition available. + Details
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- Definition Amount of committed but unspent tenant related obligations based on executed lease. + References No definition available. + Details
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- Definition Represents the amount of expenditure committed by entity relating to leases. + References No definition available. + Details
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- Definition The number of buildings owned by the entity, which are classified as held for sale as of the balance sheet date. + References No definition available. + Details
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- Definition This element represents the number of buildings sold by the entity. + References No definition available. + Details
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- Definition Represents the number of communities. + References No definition available. + Details
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- Definition This element represents the number of properties sold or agreed to be sold by the entity. + References No definition available. + Details
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- Definition The number of real estate properties owned by the entity, which are classified as held for sale as of the balance sheet date. + References No definition available. + Details
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- Definition Represents the number of real estate properties impaired. + References No definition available. + Details
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- Definition This element represents the aggregate sales price excluding closing costs, of real estate properties sold by the entity during the period. + References No definition available. + Details
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- Definition Represents the area of the real estate property subject to an operating lease. + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721675-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=51716988&loc=SL51721523-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=51716988&loc=d3e957-107759 + Details
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- Definition Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721673-107760 + Details
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- Definition Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721673-107760 + Details
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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + 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(f)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + 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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