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Unrealized Loss on Investments (Details) (USD $) | 9 Months Ended
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Sep. 30, 2011
CommonWealth REIT (CWH) |
Unrealized loss on investments |
Investment in common shares (in shares) | 250,000
Quoted market prices (in dollars per share) | $ 18.97
Weighted average costs (in dollars per share) | $ 26.00
Five Star |
Unrealized loss on investments |
Investment in common shares (in shares) | 4,235,000
Quoted market prices (in dollars per share) | $ 2.50
Weighted average costs (in dollars per share) | $ 3.36

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