Investments	12 Months Ended
	Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract]
Investments	Investments     In the fourth quarter of 2020, Livent entered into an agreement with The Pallinghurst Group relating to Québec Lithium Partners ("QLP"), a joint venture owned equally by The Pallinghurst Group and Livent, and the conduct of certain business operations and oversight, previously conducted solely by Nemaska Lithium Inc. for the development of a fully integrated lithium chemical asset located in Québec, Canada that is not yet in commercial production. QLP owns a 50% equity interest in the Nemaska Project. The Company accounts for the investment in QLP as an equity method investment on a one-quarter lag basis and is included in Investments in our condensed consolidated balance sheets. For the year ended December 31, 2021 we recorded a $5.5 million loss related to our 50% equity interest in QLP to Equity in net loss of unconsolidated affiliates in our consolidated statement of operations. The carrying amount of our 50% equity interest in QLP was $23.8 million and $21.2 million as of December 31, 2021 and December 31, 2020, respectively.