Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 28, 2018	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2018
Income tax benefit (expense) on continuing operations
Current federal				$ 25
Current state and local			$ (88)	(102)
Deferred federal		$ (1,919)	(511)	(678)
Deferred state and local		(1,157)	812	250
Total income tax (provision) benefit		(3,076)	$ 213	$ (505)
Income tax rate changes
Federal income tax rate	21.00%		22.00%	35.00%
Impact of lower statutory rate applied to deferred tax assets and deferred tax liabilities resulted for the re-measurement of deferred tax assets and liabilities			$ 1,001
Income Taxes, additional disclosures
Inocme tax expense as a result of de-recognition of deferred tax asstes		4,005
Income tax benefit		3,076	(213)	$ 505
Effect on income tax benefit for valuation allowance		$ 873
Number of consecutive years		4 years
Change in fair value of financial instruments		$ (1,255)
Non-deductible costs related to REIT conversion		(175)
Income tax benefit from exercise of stock options		255
Deferred tax (expense) benefit included in other comprehensive (loss) income
Fair value adjustment of INDUS's cash flow hedges			1,586	(797)
Differences between income tax benefits at the United States statutory income tax rates and the actual income tax benefits on continuing operations
Tax (provision) benefit at statutory rate		2,025	(726)	255
Deferred tax adjustment due to REIT election		(4,005)
State and local taxes, including valuation allowance, net of federal tax effect		117	737	78
Permanent items		(1,253)	44	(24)
Federal rate change under TCJA				(1,001)
Other		40	158	187
Total income tax (provision) benefit		(3,076)	213	$ (505)
Deferred tax assets (liabilities):
Federal net operating loss carryforwards			2,759
State net operating loss carryforwards			2,087
Deferred revenue			2,372
Retirement benefit plans			1,521
Cash flow hedges			938
Non-qualified stock options			424
Real estate assets			(4,274)
Deferred rent			(956)
Other			(128)
Total deferred tax assets			4,743
Valuation allowance			(1,462)
Net total deferred tax assets		0	3,281
Operating loss carryforwards
Accrual for uncertain income tax positions		0
State
Income Taxes, additional disclosures
Effect on income tax benefit for valuation allowance		921	681
Operating loss carryforwards
Net operating loss carryforwards		$ 33,916
State | Minimum
Operating loss carryforwards
Expiration period of operating loss carryforwards		8 years
State | Maximum
Operating loss carryforwards
Expiration period of operating loss carryforwards		20 years
Federal
Income tax benefit (expense) on continuing operations
Total income tax (provision) benefit		$ (193)	146
Income Taxes, additional disclosures
Income tax benefit		193	(146)
Differences between income tax benefits at the United States statutory income tax rates and the actual income tax benefits on continuing operations
Total income tax (provision) benefit		(193)	$ 146
Operating loss carryforwards
Net operating loss carryforwards		$ 17,071
Federal | Minimum
Operating loss carryforwards
Expiration period of operating loss carryforwards		13 years
Federal | Maximum
Operating loss carryforwards
Expiration period of operating loss carryforwards		20 years
ASU 2016-09
Deferred tax assets (liabilities):
Non-qualified stock options	$ 879