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Real Estate Development - East Areas I and II, Narrative (Details)
1 Months Ended
Jan. 31, 2018
USD ($)
Oct. 31, 2020
USD ($)
Property
Feb. 29, 2020
USD ($)
Oct. 31, 2019
USD ($)
Property
Nov. 10, 2015
USD ($)
Oct. 31, 2005
a
property
Real Estate Properties [Line Items]            
Loan balance   $ 125,848,000   $ 108,915,000    
LLCB            
Real Estate Properties [Line Items]            
Number of residential units sold | Property   144   210    
Unsecured Line of Credit Loan Agreement and Promissory Note            
Real Estate Properties [Line Items]            
Estimated value of the guarantee obligation   $ 1,080,000        
Unsecured Line of Credit Loan Agreement and Promissory Note | LLCB            
Real Estate Properties [Line Items]            
Face amount of loan $ 45,000,000          
Loan balance   30,368,000        
Unsecured Line of Credit Loan Agreement and Promissory Note | LIBOR | LLCB            
Real Estate Properties [Line Items]            
Basis spread on variable rate 2.85%          
LLCB            
Real Estate Properties [Line Items]            
Payables to related parties       $ 1,200,000    
Amount loaned to joint venture     $ 1,800,000      
Interest rate     4.60%      
LLCB | Lewis Group of Companies            
Real Estate Properties [Line Items]            
Amount loaned to joint venture     $ 1,800,000      
East Areas I and II            
Real Estate Properties [Line Items]            
Number of real estate properties | property           2
Number of acres of land for real estate development | a           550
East Area I | Lewis Group of Companies            
Real Estate Properties [Line Items]            
Ownership interest         50.00%  
Cost of equity method investment         $ 20,000,000  
East Area I - Retained Property            
Real Estate Properties [Line Items]            
Estimated costs incurred by and reimbursable to LLCB   $ 5,300,000