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Investments in Partially-Owned Entities (Schedule of Equity Method Investments) (Details) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2013
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Dec. 31, 2012
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| Schedule of Equity Method Investments [Line Items] | ||
| Investments in partially-owned entities | $ 11,075 | $ 8,388 |
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Star Asia Opportunity, LLC
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| Schedule of Equity Method Investments [Line Items] | ||
| Investments in partially-owned entities | 17 | 22 |
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Star Asia Opportunity II, LLC
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| Schedule of Equity Method Investments [Line Items] | ||
| Investments in partially-owned entities | 8,605 | 5,874 |
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Senior Management Concepts Senior Living Portfolio
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| Schedule of Equity Method Investments [Line Items] | ||
| Investments in partially-owned entities | $ 2,453 | $ 2,492 |