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Schedule of Goodwill (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Cost	$ 100,129
Disposal of FCI	(25,117)
Accumulated Impairment	(74,974)
Foreign Currency Adjustment	$ (38)

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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-SubTopic 20
-Section 50
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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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