Schedule of Common Shares Issued and Outstanding (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Number of Common Shares	105,286,469	104,796,421	60,296,365
Ascribed Value Common Shares	$ 136,357	$ 136,040	$ 111,833
Exercise of NovaGold Warrants	$ 85
Issued pursuant to the Sunward Arrangement (shares)			43,116,312
Issued pursuant to the Sunward Arrangement			$ 22,851
Exercise of options (shares)	188,856	162,854	7,499
Exercise of options		$ 65	$ 7
Exercise of Sunward Arrangement Options (shares)			347,999
Exercise of Sunward Arrangement Options Ascribed Value			$ 177
Restricted Share Units (Shares)	209,198	108,399	795,368
Restricted Share Units	$ 83	$ 34	$ 819
Deferred Share Units (Shares)		218,795	232,878
Deferred Share Units		$ 218	$ 353
Number of Common Shares	105,684,523	105,286,469	104,796,421
Ascribed Value Common Shares	$ 136,525	$ 136,357	$ 136,040