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Real Estate Development - East Areas I and II, Narrative (Details)
1 Months Ended
Jan. 31, 2018
USD ($)
Oct. 31, 2021
USD ($)
residentialUnit
Oct. 31, 2020
USD ($)
Feb. 29, 2020
USD ($)
Feb. 28, 2018
USD ($)
Nov. 10, 2015
USD ($)
Oct. 31, 2005
a
property
Real Estate Properties [Line Items]              
Loan balance   $ 132,825,000 $ 125,848,000        
Line of credit facility extension option period   1 year          
Number of residential units sold | residentialUnit   586          
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   $ 0          
Maximum borrowing capacity   35,000,000          
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]              
Amount loaned to joint venture       $ 1,800,000      
Interest rate       4.60%      
LLCB | Affiliated Entity              
Real Estate Properties [Line Items]              
Payables to related parties   $ 5,771,000 $ 5,300,000        
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%  
Equity method investment, aggregate cost           $ 20,000,000