Supplemental Financial Statement Information - Liabilities (Details) - USD ($) $ in Thousands	Aug. 31, 2018	Nov. 30, 2017
Accounts Payable and Accrued Liabilities
Accrued construction costs and retainage	$ 3,355	$ 1,894
Accrued interest payable	526	482
Accrued salaries, wages and other compensation	433	1,154
Accrued lease commissions	292	393
Trade payables	205	432
Other	709	636
Total accounts payable and accrued liabilities	5,520	4,991
Other Liabilities
Deferred compensation plan	5,308	5,005
Prepaid rent from tenants	1,143	1,041
Security deposits of tenants	535	583
Land sale deposit	260	195
Conditional asset retirement obligations	171	204
Interest rate swap liabilities	100	845
Other	185	99
Total other liabilities	$ 7,702	$ 7,972