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Real Estate - Commitments (Details) (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 properties
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Commitments and Contingencies Disclosure [Abstract] |  |
Real estate investment, number of properties | 48 |
Real estate held-for-sale, number of properties | 2 |
Real estate, number of properties | 50 |
Real estate investment, funding commitments | $ 139,165 | [1]
Real estate held-for-sale, funding commitments | 1,656 | [1]
Real estate, funding commitments | 140,821 | [1]
Real estate investment, amount funded | 105,026 |
Real estate held-for-sale, amount funded | 1,540 |
Real estate, amount funded | 106,566 |
Real estate investment, remaining commitment | 34,139 |
Real estate held-for-sale, remaining commitment | 116 |
Real estate, remaining commitment | $ 34,255 |
[1] | Includes land, construction costs and tenant improvements.

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