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Fair Value - Assets and Liabilities (Details) - USD ($)
$ in Thousands
May 31, 2017
Nov. 30, 2016
Financial assets:    
Proceeds held in escrow $ 9,710 $ 3,535
Marketable equity securities 1,272 977
Financial liabilities:    
Interest rate swaps 2,098 1,892
Carrying Value | Level 1    
Financial assets:    
Cash and cash equivalents 32,144 24,689
Proceeds held in escrow 9,710 3,535
Marketable equity securities 1,272 977
Carrying Value | Level 2    
Financial assets:    
Interest rate swaps 129 207
Financial liabilities:    
Mortgage loans, net of debt issuance costs 119,970 109,697
Interest rate swaps 2,098 1,892
Estimated Fair Value | Level 1    
Financial assets:    
Cash and cash equivalents 32,144 24,689
Proceeds held in escrow 9,710 3,535
Marketable equity securities 1,272 977
Estimated Fair Value | Level 2    
Financial assets:    
Interest rate swaps 129 207
Financial liabilities:    
Mortgage loans, net of debt issuance costs 120,313 111,103
Interest rate swaps $ 2,098 $ 1,892