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ACQUISITIONS AND DISPOSITIONS (Details) (USD $)
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3 Months Ended | 6 Months Ended | 1 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2012
Seniors Housing Communities [Member]
property
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Jun. 30, 2013
2013 Dispositions
property
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Dec. 31, 2012
2012 Dispositions
Seniors Housing Communities [Member]
property
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Dec. 31, 2012
2012 Dispositions
Skilled Nursing Facilities [Member]
property
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Jun. 30, 2013
Triple-Net Leased Properties
2013 Dispositions
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Dec. 31, 2012
Triple-Net Leased Properties
2012 Dispositions
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Jun. 30, 2013
Triple-Net Leased Properties
Skilled Nursing Facilities [Member]
2013 Dispositions
property
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Jun. 30, 2013
Triple-Net Leased Properties
Seniors Housing Communities [Member]
property
|
Jun. 30, 2012
Triple-Net Leased Properties
Seniors Housing Communities [Member]
property
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Jun. 30, 2013
Triple-Net Leased Properties
Seniors Housing Communities [Member]
2013 Dispositions
property
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Jun. 30, 2013
Senior Living Operations
Seniors Housing Communities [Member]
property
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Jun. 30, 2012
Senior Living Operations
Seniors Housing Communities [Member]
property
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Jun. 30, 2013
Senior Living Operations
Seniors Housing Communities [Member]
2013 Dispositions
property
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Jun. 30, 2013
MOB Operations
Medical Office Buildings [Member]
property
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Jun. 30, 2012
MOB Operations
Medical Office Buildings [Member]
property
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Jun. 30, 2013
MOB Operations
Medical Office Buildings [Member]
2013 Dispositions
property
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| Significant Acquisitions and Disposals | ||||||||||||||||||||
| Number of real estate properties acquired | 1 | 7 | 15 | 17 | 2 | 72 | ||||||||||||||
| Business combination, consideration transferred | $ 60,500,000 | $ 98,100,000 | $ 384,000,000 | $ 390,000,000 | $ 57,100,000 | $ 790,000,000 | ||||||||||||||
| Number of real estate properties acquired previously capital leases | 8 | |||||||||||||||||||
| Number of real estate properties sold | 22 | 1 | 8 | 6 | 1 | 2 | ||||||||||||||
| Number of real estate properties sold, pursuant to tenant purcahse option | 10 | |||||||||||||||||||
| Proceeds from disposition of assets, including termination fees | 21,100,000 | 244,000,000 | 1,600,000 | 1,800,000.0 | ||||||||||||||||
| Disposition of assets, termination fees | 300,000 | 4,800,000 | ||||||||||||||||||
| Gain (loss) on disposition of assets | 1,900,000 | 83,800,000 | 500,000.0 | |||||||||||||||||
| Number of real estate properties sold, properties held in escrow | 21 | |||||||||||||||||||
| Proceeds from disposition of assets, exchanged in escrow account | 134,500,000 | |||||||||||||||||||
| Number of operating leases not renewed | 2 | |||||||||||||||||||
| Properties classified as held for sale | 13 | |||||||||||||||||||
| Revenues: | ||||||||||||||||||||
| Rental income | 2,116,000 | 8,564,000 | 4,431,000 | 18,360,000 | ||||||||||||||||
| Resident fees and services | 141,000 | 2,655,000 | 759,000 | 5,266,000 | ||||||||||||||||
| Interest and other income | 0 | 3,002,000 | 0 | 4,824,000 | ||||||||||||||||
| Total Revenues | 2,257,000 | 14,221,000 | 5,190,000 | 28,450,000 | ||||||||||||||||
| Expenses: | ||||||||||||||||||||
| Interest | 650,000 | 3,498,000 | 1,573,000 | 7,237,000 | ||||||||||||||||
| Depreciation and amortization | 21,284,000 | 14,402,000 | 29,438,000 | 18,842,000 | ||||||||||||||||
| Property-level operating expenses | 220,000 | 2,633,000 | 884,000 | 5,108,000 | ||||||||||||||||
| General, administrative and professional fees | 0 | 289,000 | 0 | 292,000 | ||||||||||||||||
| Disposal Group, Including Discontinued Operation, Gain (Loss) on Extinguishment of Debt | (153,000) | 0 | (153,000) | 0 | ||||||||||||||||
| Other | 29,000 | 650,000 | (495,000) | 1,230,000 | ||||||||||||||||
| Total expenses | 22,030,000 | 21,472,000 | 31,247,000 | 32,709,000 | ||||||||||||||||
| (Loss) income before income taxes and gain on sale of real estate assets | (19,773,000) | (7,251,000) | (26,057,000) | (4,259,000) | ||||||||||||||||
| Income tax (expense) benefit | 0 | (13,000) | 0 | 20,000 | ||||||||||||||||
| (Loss) gain on real estate dispositions, net | 1,718,000 | 38,558,000 | 2,195,000 | 78,791,000 | ||||||||||||||||
| Discontinued operations | (18,055,000) | 31,294,000 | (23,862,000) | 74,552,000 | ||||||||||||||||
| Other Asset Impairment Charges | $ 23,900,000 | |||||||||||||||||||