Supplemental Financial Statement Information - Liabilities (Details) - USD ($) $ in Thousands	Nov. 30, 2017	Nov. 30, 2016
Accounts Payable and Accrued Liabilities
Accrued construction costs and retainage	$ 1,894	$ 1,252
Accrued salaries, wages and other compensation	1,154	725
Accrued interest payable	482	390
Trade payables	432	573
Accrued lease commissions	393	487
Other	636	713
Total accounts payable and accrued liabilities	4,991	4,140
Other Liabilities
Deferred compensation plan	5,005	4,334
Prepaid rent from tenants	1,041	938
Interest rate swap liabilities	845	1,892
Security deposits of tenants	583	413
Conditional asset retirement obligations	204	288
Land sale deposit	195
Other	99	78
Total other liabilities	$ 7,972	$ 7,943