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Identification and Activities of the Company and Subsidiaries (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
USD ($)
Lithium carbonate [Member] | MT Li2CO3 One [Member]  
Statement [Line Items]  
Percentage of lease payment rate 10.00%
Lithium carbonate [Member] | MT Li2CO3 Two [Member]  
Statement [Line Items]  
Percentage of lease payment rate 40.00%
Lithium carbonate [Member] | MT Li2CO3 Three [Member]  
Statement [Line Items]  
Percentage of lease payment rate 8.00%
Lithium carbonate [Member] | MT Li2CO3 Four [Member]  
Statement [Line Items]  
Percentage of lease payment rate 25.00%
Lithium carbonate [Member] | MT Li2CO3 Five [Member]  
Statement [Line Items]  
Percentage of lease payment rate 6.80%
Lithium carbonate [Member] | MT Li2CO3 Six [Member]  
Statement [Line Items]  
Operating Lease Payments $ 10,000
Percentage of lease payment rate 17.00%
Lithium carbonate [Member] | Bottom of range [member] | MT Li2CO3 One [Member]  
Statement [Line Items]  
Operating Lease Payments $ 0
Lithium carbonate [Member] | Bottom of range [member] | MT Li2CO3 Two [Member]  
Statement [Line Items]  
Operating Lease Payments 4,000
Lithium carbonate [Member] | Bottom of range [member] | MT Li2CO3 Three [Member]  
Statement [Line Items]  
Operating Lease Payments 5,000
Lithium carbonate [Member] | Bottom of range [member] | MT Li2CO3 Four [Member]  
Statement [Line Items]  
Operating Lease Payments 6,000
Lithium carbonate [Member] | Bottom of range [member] | MT Li2CO3 Five [Member]  
Statement [Line Items]  
Operating Lease Payments 7,000
Lithium carbonate [Member] | Top of range [member] | MT Li2CO3 One [Member]  
Statement [Line Items]  
Operating Lease Payments 4,000
Lithium carbonate [Member] | Top of range [member] | MT Li2CO3 Two [Member]  
Statement [Line Items]  
Operating Lease Payments 5,000
Lithium carbonate [Member] | Top of range [member] | MT Li2CO3 Three [Member]  
Statement [Line Items]  
Operating Lease Payments 6,000
Lithium carbonate [Member] | Top of range [member] | MT Li2CO3 Four [Member]  
Statement [Line Items]  
Operating Lease Payments 7,000
Lithium carbonate [Member] | Top of range [member] | MT Li2CO3 Five [Member]  
Statement [Line Items]  
Operating Lease Payments $ 10,000
Potassium chloride [Member] | MT Li2CO3 One [Member]  
Statement [Line Items]  
Percentage of lease payment rate 7.00%
Potassium chloride [Member] | MT Li2CO3 Two [Member]  
Statement [Line Items]  
Percentage of lease payment rate 10.00%
Potassium chloride [Member] | MT Li2CO3 Three [Member]  
Statement [Line Items]  
Percentage of lease payment rate 20.00%
Potassium chloride [Member] | MT Li2CO3 Four [Member]  
Statement [Line Items]  
Percentage of lease payment rate 3.00%
Potassium chloride [Member] | MT Li2CO3 Five [Member]  
Statement [Line Items]  
Operating Lease Payments $ 600
Percentage of lease payment rate 15.00%
Potassium chloride [Member] | Bottom of range [member] | MT Li2CO3 One [Member]  
Statement [Line Items]  
Operating Lease Payments $ 0
Potassium chloride [Member] | Bottom of range [member] | MT Li2CO3 Two [Member]  
Statement [Line Items]  
Operating Lease Payments 300
Potassium chloride [Member] | Bottom of range [member] | MT Li2CO3 Three [Member]  
Statement [Line Items]  
Operating Lease Payments 400
Potassium chloride [Member] | Bottom of range [member] | MT Li2CO3 Four [Member]  
Statement [Line Items]  
Operating Lease Payments 500
Potassium chloride [Member] | Top of range [member] | MT Li2CO3 One [Member]  
Statement [Line Items]  
Operating Lease Payments 300
Potassium chloride [Member] | Top of range [member] | MT Li2CO3 Two [Member]  
Statement [Line Items]  
Operating Lease Payments 400
Potassium chloride [Member] | Top of range [member] | MT Li2CO3 Three [Member]  
Statement [Line Items]  
Operating Lease Payments 500
Potassium chloride [Member] | Top of range [member] | MT Li2CO3 Four [Member]  
Statement [Line Items]  
Operating Lease Payments $ 600