Proceeds from sales of interests in subsidiary.

No definition available.

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- Definition

Sale of business,working capital adjustment.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The gain (loss) recognised on the measurement to fair value less costs to sell or on the disposal of the assets or disposal group(s) constituting the discontinued operation. [Refer: Discontinued operations [member]]

+ References

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

The profit (loss) from discontinued operations. [Refer: Discontinued operations [member]; Profit (loss)]

+ References

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- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

+ References

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- Details

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Acquisitions and Divestitures - Sale of China Business - Additional Information (Detail) - USD ($) $ in Thousands			12 Months Ended
	May 16, 2016	Apr. 26, 2016	Dec. 31, 2017	Dec. 31, 2016
Disclosure of detailed information about business combination [line items]
Net loss from discontinued operations			$ (2,797)	$ (339,369)
China Business [member]
Disclosure of detailed information about business combination [line items]
Net loss from discontinued operations				(339,369)
Loss on sale of assets held for sale				$ (351,234)
Working capital adjustment			$ 2,800
China Business [member] \| Jinfeng [member]
Disclosure of detailed information about business combination [line items]
Percentage of interests in a subsidiary		82.00%
Proceeds from sale of interests in subsidiary		$ 300,000
China Business [member] \| White Mountain, Tanjianshan and Eastern Dragon [member]
Disclosure of detailed information about business combination [line items]
Proceeds from sale of interests in subsidiary	$ 600,000