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Investments - Schedule of Information About Investments (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of detailed information about financial assets [line items] |  |
Current | $ 770,816 | $ 692,403
Non Current | 119,617 | 134,347
Total | 890,433 | 826,750
Time deposits [member] |  |
Disclosure of detailed information about financial assets [line items] |  |
Current | 430,000 | 640,500
Non Current | 80,000 | 60,000
Total | 510,000 | 700,500
Bonds [member] |  |
Disclosure of detailed information about financial assets [line items] |  |
Current | 341,854 | 52,573
Non Current | 39,796 | 74,634
Total | 381,650 | 127,207
Time deposits and bonds [member] |  |
Disclosure of detailed information about financial assets [line items] |  |
Current | 771,854 | 693,073
Non Current | 119,796 | 134,634
Total | 891,650 | 827,707
Allowance for credit losses [member] |  |
Disclosure of detailed information about financial assets [line items] |  |
Current | (1,038) | (670)
Non Current | (179) | (287)
Total | $ (1,217) | $ (957)

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- Definition The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2020-01-01 -Paragraph 10 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2020-en-r&anchor=para_10&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of non-current investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Non-current assets; Investments other than investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard -URIDate 2020-01-01 + Details
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