Ur-Energy Inc. Annual report pursuant to Section 13 and 15(d)

Mineral Properties and Assets Held for Sale (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Balance at beginning of period	$ 35,067	$ 39,184	$ 43,212
Reclassify assets no longer held for sale	1,536
Change in estimated reclamation costs	326	(536)	(1,583)
Reclassify assets held for sale		(1,536)
Depletion and amortization	(1,247)	(2,045)	(2,445)
Balance at end of period	35,682	35,067	39,184
Lost Creek Property [Member]
Balance at beginning of period	4,527	6,276	10,184
Reclassify assets no longer held for sale	0
Change in estimated reclamation costs	0	296	(1,463)
Reclassify assets held for sale		0
Depletion and amortization	(1,247)	(2,045)	(2,445)
Balance at end of period	3,280	4,527	6,276
Other U.S. Properties [Member]
Balance at beginning of period	13,178	15,591	15,591
Reclassify assets no longer held for sale	1,536
Change in estimated reclamation costs	0	(877)	0
Reclassify assets held for sale		(1,536)
Depletion and amortization	0	0	0
Balance at end of period	14,714	13,178	15,591
Shirley Basin Property [Member]
Balance at beginning of period	17,362	17,317	17,437
Reclassify assets no longer held for sale	0
Change in estimated reclamation costs	326	45	(120)
Reclassify assets held for sale		0
Depletion and amortization	0	0	0
Balance at end of period	$ 17,688	$ 17,362	$ 17,317