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Real Estate Assets - assets held for sale (Details)
$ in Thousands
12 Months Ended
Nov. 30, 2019
USD ($)
ft²
Nov. 30, 2018
USD ($)
Real Estate Assets    
Real Estate Held-for-sale $ 2,137 $ 2,652
Real Estate Held For Sale Net 2,137 2,652
Value of real estate assets reclassified out of held for sale due to sale 1,741  
Reduction in real estate held for sale, net 515  
Increase in real estate held for sale, net $ 1,226  
Restaurant Building    
Real Estate Assets    
Area of Land | ft² 7,200  
Land.    
Real Estate Assets    
Real Estate Held-for-sale $ 323 1,645
Land improvements    
Real Estate Assets    
Real Estate Held-for-sale 388  
Buildings and improvements    
Real Estate Assets    
Real Estate Held-for-sale 417  
Development costs    
Real Estate Assets    
Real Estate Held-for-sale $ 1,009 $ 1,007