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Identification and Activities of the Company and Subsidiaries (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
MT Li2CO3 One [Member]
Percentage of lease payment rate	6.80%
MT Li2CO3 One [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 0
MT Li2CO3 One [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	$ 4,000
MT Li2CO3 Two [Member]
Percentage of lease payment rate	8.00%
MT Li2CO3 Two [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 4,000
MT Li2CO3 Two [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	$ 5,000
MT Li2CO3 Three [Member]
Percentage of lease payment rate	10.00%
MT Li2CO3 Three [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 5,000
MT Li2CO3 Three [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	$ 6,000
MT Li2CO3 Four [Member]
Percentage of lease payment rate	17.00%
MT Li2CO3 Four [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 6,000
MT Li2CO3 Four [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	$ 7,000
MT Li2CO3 Five [Member]
Percentage of lease payment rate	25.00%
MT Li2CO3 Five [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 7,000
MT Li2CO3 Five [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	10,000
MT Li2CO3 Six [Member]
Minimum operating lease payments recognised as expense	$ 10,000
Percentage of lease payment rate	40.00%
MT KCL one [Member]
Percentage of lease payment rate	3.00%
MT KCL one [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 0
MT KCL one [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	$ 300
MT KCL Two [Member]
Percentage of lease payment rate	7.00%
MT KCL Two [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 300
MT KCL Two [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	$ 400
MT KCL Three [Member]
Percentage of lease payment rate	10.00%
MT KCL Three [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 400
MT KCL Three [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	$ 500
MT KCL Four [Member]
Percentage of lease payment rate	15.00%
MT KCL Four [Member] | Bottom of range [member]
Minimum operating lease payments recognised as expense	$ 500
MT KCL Four [Member] | Top of range [member]
Minimum operating lease payments recognised as expense	600
MT KCL Five [Member]
Minimum operating lease payments recognised as expense	$ 600
Percentage of lease payment rate	20.00%

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- Definition

The portion of operating lease payments that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with any amounts guaranteed by the lessee or by a party related to the lessee recognised as an expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2019-01-01
-Name IAS
-Number 17
-IssueDate 2018-01-01
-Paragraph 35
-Subparagraph c
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-URIDate 2018-03-16

+ Details

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- Definition

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+ References

No definition available.

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