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, 2023	Dec. 31, 2022	Dec. 31, 2021
Beginning balance	$ 35,682	$ 35,067	$ 39,184
Reclassify assets held for sale		1,536	(1,536)
Change in estimated reclamation costs	38	326	(536)
Depletion And Amortization	(814)	(1,247)	(2,045)
Ending balance	34,906	35,682	35,067
Shirley Basin [Member]
Beginning balance	17,688	17,362	17,317
Reclassify assets held for sale		0	0
Change in estimated reclamation costs	38	326	45
Depletion And Amortization	0	0	0
Ending balance	17,726	17,688	17,362
Lost Creek Property [Member]
Beginning balance	3,280	4,527	6,276
Reclassify assets held for sale		0	0
Change in estimated reclamation costs	0	0	296
Depletion And Amortization	(814)	(1,247)	(2,045)
Ending balance	2,466	3,280	4,527
Other U.S. Properties [Member]
Beginning balance	14,714	13,178	15,591
Reclassify assets held for sale		1,536	(1,536)
Change in estimated reclamation costs	0	0	(877)
Depletion And Amortization	0	0	0
Ending balance	$ 14,714	$ 14,714	$ 13,178