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Variable Interest Entities (VIE) (Narrative) (Details) (USD $)
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9 Months Ended | |
|---|---|---|
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Sep. 30, 2012
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Dec. 31, 2011
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| Variable Interest Entity [Line Items] | ||
| Long-term Debt | $ 182,750,000 | $ 207,044,000 |
| VIE purpose | purchase the land and construct a 36-unit low income housing rental complex | |
| Federal investment tax credits | 8,600,000 | |
| Federal investment tax credit duration | 10-year | |
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Variable Interest Entity, Not Primary Beneficiary [Member]
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| Variable Interest Entity [Line Items] | ||
| Long-term Debt | 41,700,000 | |
| Equity Method Investments | 1,300,000 | |
| Ownership in Liberty Mews Limited Partnership | 99.99% | |
| VIE financing | 10,600,000 | |
| Construction and Development Costs | 10,600,000 | |
| Partnership total assets | 10,100,000 | 10,900,000 |
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Variable Interest Entity, Not Primary Beneficiary [Member] | Junior Subordinated Debt [Member]
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| Variable Interest Entity [Line Items] | ||
| Long-term Debt | 5,000,000 | |
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Issuance of Equity [Member]
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| Variable Interest Entity [Line Items] | ||
| VIE financing | $ 6,100,000 |