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Fair Value - Assets and Liabilities (Details) - USD ($)
$ in Thousands
Aug. 31, 2018
Nov. 30, 2017
Jun. 09, 2017
Financial assets:      
Short-term investments $ 11,000    
Financial liabilities:      
Interest rate swaps 100 $ 845  
215 International      
Nonfinancial assets:      
Real estate assets fair value     $ 16,789
Intangible assets fair value     $ 1,651
Carrying Value | Level 1      
Financial assets:      
Cash and cash equivalents 11,972 30,068  
Sale proceeds held in escrow   91  
Carrying Value | Level 2      
Financial assets:      
Short-term investments 11,000    
Interest rate swaps 2,973 644  
Financial liabilities:      
Mortgage and construction loans, net of debt issuance costs 141,113 129,203  
Interest rate swaps 100 845  
Estimated Fair Value | Level 1      
Financial assets:      
Cash and cash equivalents 11,972 30,068  
Sale proceeds held in escrow   91  
Estimated Fair Value | Level 2      
Financial assets:      
Short-term investments 11,000    
Interest rate swaps 2,973 644  
Financial liabilities:      
Mortgage and construction loans, net of debt issuance costs 140,916 128,999  
Interest rate swaps $ 100 $ 845