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Financial instruments - Trade and Other Receivables Reconciliation (Details)
¥ in Millions
3 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Sep. 30, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Financial instruments [Line Items]          
Gross receivables     $ 1,098,326,000 $ 674,244,000  
Impairment provision for doubtful receivables     (8,815,000) (13,999,000)  
Trade receivables, net     1,089,511,000 660,245,000  
Guarantee Deposits [abstract]          
Payments to acquire new plant     905,247,000 464,718,000 $ 322,242,000
Battery-Grade Lithium Hydroxide Monohydrate Plant          
Guarantee Deposits [abstract]          
Number of Metric tons capacity 20,000        
Payments to acquire new plant $ 125,591,000 ¥ 869.0      
Battery-Grade Lithium Hydroxide Monohydrate Plant | First installment          
Guarantee Deposits [abstract]          
Payments to acquire new plant 29,322,000 204.5      
Battery-Grade Lithium Hydroxide Monohydrate Plant | Second installment          
Guarantee Deposits [abstract]          
Payments to acquire new plant $ 8,310,000 ¥ 57.5      
Receivables related to credit operations, current          
Financial instruments [Line Items]          
Gross receivables     1,006,982,000 600,664,000  
Impairment provision for doubtful receivables     (4,759,000) (10,352,000)  
Trade receivables, net     1,002,223,000 590,312,000  
Prepayments, current          
Financial instruments [Line Items]          
Gross receivables     39,493,000 49,952,000  
Impairment provision for doubtful receivables     (784,000) (784,000)  
Trade receivables, net     38,709,000 49,168,000  
Other receivables, current          
Financial instruments [Line Items]          
Gross receivables     19,920,000 17,073,000  
Impairment provision for doubtful receivables     (3,272,000) (2,863,000)  
Trade receivables, net     16,648,000 14,210,000  
Guarantee deposits          
Financial instruments [Line Items]          
Gross receivables     29,840,000 383,000  
Impairment provision for doubtful receivables     0 0  
Trade receivables, net     29,840,000 383,000  
Other receivables, non-current          
Financial instruments [Line Items]          
Gross receivables     2,091,000 6,172,000  
Impairment provision for doubtful receivables     0 0  
Trade receivables, net     $ 2,091,000 $ 6,172,000