Supplemental Financial Statement Information - Liabilities (Details) - USD ($) $ in Thousands	Feb. 29, 2020	Dec. 01, 2019	Nov. 30, 2019
Accounts Payable and Accrued Liabilities
Trade payables	$ 1,498		$ 295
Accrued construction costs and retainage	1,178		1,849
Accrued interest payable	580		568
Accrued lease commissions	394		223
Accrued salaries, wages and other compensation	212		863
Other	892		520
Total accounts payable and accrued liabilities	4,754		4,318
Other Liabilities
Interest rate swap liabilities	7,328		4,052
Deferred compensation plan	3,540		5,593
Prepaid rent from tenants	1,331		1,013
Lease liabilities	829	$ 858
Security deposits of tenants	695		538
Conditional asset retirement obligations	171		171
Land sale deposits	50
Other	113		142
Total other liabilities	$ 14,057		$ 11,509