| 
           INVESTMENTS IN SENIOR HOUSING REAL ESTATE - Future Minimum Rental Payments (Details 3) (Holiday Portfolio, USD $) 
        In Thousands, unless otherwise specified  | 
        
           Dec. 31, 2013 
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           Holiday Portfolio 
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| Future contracted minimum rentals due: | |
| 2014 | $ 65,031 | 
| 2015 | 67,957 | 
| 2016 | 71,015 | 
| 2017 | 74,211 | 
| 2018 | 76,808 | 
| Thereafter | 1,170,819 | 
| Total | $ 1,525,841 | 
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- Definition 
          Total amount of future contracted minimum lease rentals due and receivable. No definition available. 
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- Details 
          
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- Definition 
          Amount of future contracted minimum lease rentals due and receivable over the next twelve months. No definition available. 
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- Definition 
          Amount of future contracted minimum lease rentals due and receivable after the fifth fiscal year following the current fiscal year. No definition available. 
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- Definition 
          Amount of future contracted minimum lease rentals due and receivable in the fifth fiscal year following the current fiscal year. No definition available. 
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- Definition 
          Amount of future contracted minimum lease rentals due and receivable in the fourth fiscal year following the current fiscal year. No definition available. 
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- Definition 
          Amount of future contracted minimum lease rentals due and receivable in the third fiscal year following the current fiscal year. No definition available. 
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- Definition 
          Amount of future contracted minimum lease rentals due and receivable in the second fiscal year following the current fiscal year. No definition available. 
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