Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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- Definition

The amount recognised as a reduction of the carrying amount of an asset or cash-generating unit to its recoverable amount. [Refer: Carrying amount [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The amount recognised as an increase of the carrying amount of an asset or cash-generating unit to its recoverable amount when an impairment loss had been previously recognised. [Refer: Impairment loss]

+ References

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IMPAIRMENT OF ASSETS - Narrative (Details) - USD ($)	12 Months Ended
IMPAIRMENT OF ASSETS - Narrative (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Aug. 03, 2018
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]
Impairment recognized	$ 6,936,000	$ 1,623,000
Reversal of impairment recognized	0	190,000
Individual assets or cash-generating units
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]
Impairment recognized	0	$ 0
Reversal of impairment recognized	$ 0
Polyair
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [line items]
Percentage of voting equity interests acquired			100.00%