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Investment in Loans (Details) (USD $)
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0 Months Ended | 3 Months Ended | 9 Months Ended | 0 Months Ended | ||
|---|---|---|---|---|---|---|
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Aug. 06, 2013
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Nov. 03, 2009
Fund III
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| Mortgage Loans on Real Estate [Line Items] | ||||||
| Purchase price of mortgage loan collateralized | $ 5,000,000 | |||||
| Gain on foreclosure for property acquired | 4,300,000 | |||||
| Gain on foreclosure for other assets acquired and liabilties assumed | 500,000 | |||||
| Gain on foreclosure | $ 4,831,000 | $ 4,831,000 | $ 0 | $ 4,831,000 | $ 0 | |