Fair Value Measurements (Weighted average unobservable inputs for TRR debt measured at fair value) (Details)
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12 Months Ended | ||
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Dec. 31, 2012
Property
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Dec. 31, 2011
Property
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Dec. 31, 2010
Property
|
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Nonrecourse property debt: | |||
Number of properties encumbered by nonrecourse property debt measured at fair value during period | 4 | 4 | 12 |
Weighted average interest rate | 5.90% | 5.80% | 6.80% |
Weighted average maturity in years | 23 years 11 months 8 days | 24 years 11 months 8 days | 20 years 5 months 7 days |
Weighted average loan-to-value ratio | 77.70% | 81.30% | 61.30% |