Senior Notes Payable and Mortgage Company Loan Facilities Revolving Credit Agreement (Details Textual) (Mortgage Credit Facility [Member], USD $)
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12 Months Ended | |
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Jul. 23, 2013
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Jan. 31, 2013
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Mortgage Credit Facility [Member]
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Line of Credit Facility [Line Items] | ||
Line of Credit Facility, Maximum Borrowing Capacity | $ 50,000,000 | |
Mortgage Loan Facility Maximum Borrowing Capacity Increased | $ 75,000,000 | |
Interest Rate on Loan Commitments in Addition to Libor | 2.00% | |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 3.00% |