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Credit Facility, Senior Notes and Mortgage Company Loan Facility Term Loan Facility and 364-Day Facility (Details Textual 1) (Details) (three hundred sixty four day senior uncedured revolving credit facility [Member])
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3 Months Ended |
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Apr. 30, 2014
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three hundred sixty four day senior uncedured revolving credit facility [Member]
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| Debt Instrument [Line Items] | |
| Line of Credit Facility, term of contract | 364 days |