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Note 10 - Mortgages and Notes Payable (Details) - USD ($) | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jul. 31, 2015 | Oct. 31, 2014
Letter of Credit [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Letters of Credit Outstanding, Amount |  | $ 2,600,000 | $ 5,500,000 |
Citi Bank [Member] | Revolving Credit Facility [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Term | 5 years |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 75,000,000 |  |  |
Debt Instrument Basis Spread On Variable Rate Number Of Business Days Prior To First Day Of Interest Period Spread Determined |  | 2 days |  |
Letters of Credit Outstanding, Amount |  | $ 26,500,000 | 26,500,000 |
Long-term Line of Credit |  | 0 | 0 |
JP Morgan Chase Bank [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 50,000,000 |  |
Warehouse Agreement Borrowings |  | $ 17,900,000 | 25,500,000 |
JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument Variable Rate Basis Adjusted London Interbank Offered Rate LIBOR |  | 0.19% |  |
Customers Bank [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 37,500,000 |  |
Warehouse Agreement Borrowings |  | 25,600,000 | 20,400,000 |
Nonrecourse Mortgages [Member] | Mortgages [Member] | Corporate, Non-Segment [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Secured Debt |  | $ 15,800,000 | $ 16,600,000 |
Debt, Weighted Average Interest Rate |  | 8.70% | 7.00% |
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year |  | $ 300,000 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Two |  | 1,200,000 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Three |  | 1,300,000 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Four |  | 1,400,000 |  |
Long-term Debt, Maturities, Repayments of Principal in Year Five |  | 1,500,000 |  |
Long-term Debt, Maturities, Repayments of Principal after Year Five |  | 10,100,000 |  |
Nonrecourse Mortgages [Member] | Mortgages [Member] | Homebuilding [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Secured Debt |  | 133,380,000 | $ 103,908,000 | [1]
Debt Instrument, Collateral Amount |  | $ 366,900,000 | $ 220,100,000 |
Debt, Weighted Average Interest Rate |  | 5.00% | 5.00% |
The 7.25% 2020 Notes and 9.125% 2020 Notes [Member] | Senior Secured Notes [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Collateral Amount |  | $ 799,900,000 |  |
Cash Collateral for Borrowed Securities |  | 166,400,000 |  |
The 7.25% 2020 Notes and 9.125% 2020 Notes [Member] | Senior Secured Notes [Member] | Restricted Cash [Member] | Letter of Credit [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Cash Collateral for Borrowed Securities |  | 2,600,000 | $ 5,600,000 |
Credit Suisse Master Repurchase Agreement [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 50,000,000 |  |
Warehouse Agreement Borrowings |  | $ 25,400,000 | 19,700,000 |
Debt Instrument Variable Rate Basis Effective Rate |  | 0.56% |  |
Comerica Master Repurchase Agreement [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 35,000,000 |  |
Warehouse Agreement Borrowings |  | $ 19,600,000 | $ 11,300,000 |
Debt Instrument, Interest Rate, Effective Percentage |  | 2.75% | 2.75% |
Comerica Master Repurchase Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.50% |  |
Debt Instrument Variable Rate Basis Floor Rate |  | 0.25% |  |
Minimum [Member] | JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.50% |  |
Minimum [Member] | Customers Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.75% |  |
Minimum [Member] | Credit Suisse Master Repurchase Agreement [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.25% |  |
Maximum [Member] | JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.63% |  |
Maximum [Member] | Customers Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 5.25% |  |
Maximum [Member] | Credit Suisse Master Repurchase Agreement [Member] |  |  |  |
Note 10 - Mortgages and Notes Payable (Details) [Line Items] |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.50% |  |
[1] | Derived from the audited balance sheet as of October 31, 2014.

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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