Contract Liabilities (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) mill sub-stationTransformer	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Long-Lived Assets Held-for-sale [Line Items]
Contract with customer	$ 109		$ 1,550
Income from non-refundable deposit	1,441	$ 0
SAG Mill, Ball Mill, Sub-Station Transformer
Long-Lived Assets Held-for-sale [Line Items]
Proceeds from assets held for sale	1,600
Income from non-refundable deposit	$ 1,400
SAG Mill
Long-Lived Assets Held-for-sale [Line Items]
Number of mills | mill	1
Ball Mill
Long-Lived Assets Held-for-sale [Line Items]
Number of mills | mill	1
Sub-Station Transformer
Long-Lived Assets Held-for-sale [Line Items]
Number of transformers | sub-stationTransformer	1