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Note 10 - Mortgage and Notes Payable (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Jun. 30, 2013
Jul. 31, 2016
Aug. 16, 2016
Feb. 18, 2016
Oct. 31, 2015
Nov. 05, 2014
Nonrecourse Mortgages Secured by Operating Properties [Member] | Mortgages [Member] | Corporate, Non-Segment [Member]            
Debt, Weighted Average Interest Rate   8.80%     8.80%  
Secured Debt   $ 14,600     $ 15,500  
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months   300        
Long-term Debt, Maturities, Repayments of Principal in Year Two   1,300        
Long-term Debt, Maturities, Repayments of Principal in Year Three   1,400        
Long-term Debt, Maturities, Repayments of Principal in Year Four   1,500        
Long-term Debt, Maturities, Repayments of Principal in Year Five   1,700        
Long-term Debt, Maturities, Repayments of Principal after Year Five   8,400        
Nonrecourse Mortgages Secured by Operating Properties [Member] | Mortgages [Member] | Homebuilding [Member]            
Secured Debt   $ 14,621     $ 15,511 [1]  
Nonrecourse Mortgages Secured By Inventory [Member] | Mortgages [Member] | Homebuilding [Member]            
Debt, Weighted Average Interest Rate   5.30%     5.10%  
Secured Debt   $ 91,319     $ 143,863  
Debt Instrument, Collateral Amount   $ 242,900     388,100  
8.0% Senior Notes Due 2019 [Member]            
Debt Instrument, Interest Rate, Stated Percentage   8.00%       8.00%
The 7.25% 2020 Notes and 9.125% 2020 Notes [Member] | Senior Secured Notes [Member] | Letter of Credit [Member] | Restricted Cash [Member]            
Cash Collateral for Borrowed Securities   $ 1,700     2,600  
The 7.25% 2020 Notes and 9.125% 2020 Notes [Member] | Senior Secured Notes [Member]            
Debt Instrument, Collateral Amount   640,000        
Cash Collateral for Borrowed Securities   $ 122,700        
Credit Suisse Master Repurchase Agreement [Member] | Minimum [Member]            
Debt Instrument, Basis Spread on Variable Rate   2.25%        
Credit Suisse Master Repurchase Agreement [Member] | Maximum [Member]            
Debt Instrument, Basis Spread on Variable Rate   2.50%        
Credit Suisse Master Repurchase Agreement [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   $ 50,000        
Warehouse Agreement Borrowings   $ 27,700     30,100  
Debt Instrument Variable Rate Basis Effective Rate   0.91%        
Comerica Master Repurchase Agreement [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument, Basis Spread on Variable Rate   2.50%        
Debt Instrument Variable Rate Basis Floor Rate   0.25%        
Comerica Master Repurchase Agreement [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   $ 35,000        
Warehouse Agreement Borrowings   $ 19,300     18,600  
Citi Bank [Member] | Revolving Credit Facility [Member]            
Debt Instrument, Term 5 years          
Line of Credit Facility, Maximum Borrowing Capacity $ 75,000          
Debt Instrument Basis Spread on Variable Rate Number of Business Days Prior to First Day of Interest Period Spread Determined   2 days        
Long-term Line of Credit   $ 52,000     47,000  
Letters of Credit Outstanding, Amount   $ 18,500     25,900  
JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]            
Debt Instrument, Basis Spread on Variable Rate   2.50%        
JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]            
Debt Instrument, Basis Spread on Variable Rate   2.63%        
JP Morgan Chase Bank [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument Variable Rate Basis Adjusted London Interbank Offered Rate LIBOR   0.50%        
JP Morgan Chase Bank [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   $ 50,000        
Warehouse Agreement Borrowings   $ 38,600     30,500  
Customers Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]            
Debt Instrument, Basis Spread on Variable Rate   2.50%        
Customers Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]            
Debt Instrument, Basis Spread on Variable Rate   5.25%        
Customers Bank [Member] | Subsequent Event [Member]            
Line of Credit Facility, Maximum Borrowing Capacity     $ 25,000      
Customers Bank [Member]            
Line of Credit Facility, Maximum Borrowing Capacity   $ 40,000   $ 25,000    
Warehouse Agreement Borrowings   30,100     29,700  
Letter of Credit [Member]            
Letters of Credit Outstanding, Amount   1,700     2,600  
Long-term Line of Credit   $ 52,000     $ 47,000 [1]  
[1] Derived from the audited balance sheet as of October 31, 2015.