Supplemental Cash Flow Information - Additional Information (Details) - USD ($) $ in Thousands		9 Months Ended
	Oct. 31, 2019	Sep. 30, 2023	Sep. 30, 2022
Cash Flow Supplemental Disclosures [Line Items]
Non-cash transfer of 40% value of construction in progress of Kemerton plant to MRL		$ 17,132	$ 115,969
One Time Transition Tax, Reclassification		$ 64,400	42,500
Lithium Hydroxide Conversion Assets
Cash Flow Supplemental Disclosures [Line Items]
Ownership percentage	40.00%	40.00%
Mineral Resources Limited Wodgina Project
Cash Flow Supplemental Disclosures [Line Items]
Ownership percentage	60.00%
Mineral Resources Limited Wodgina Project | Lithium Hydroxide Conversion Assets
Cash Flow Supplemental Disclosures [Line Items]
Non-cash transfer of 40% value of construction in progress of Kemerton plant to MRL		$ 17,100	$ 116,000