Income Tax (Details) - USD ($) $ in Thousands	9 Months Ended
Income Tax (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Income Tax [Abstract]
Income tax expense	$ 46,979	$ 59,068
Profit before income tax	$ 115,359	$ 189,408

- Definition

The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax. [Refer: Current tax expense (income); Deferred tax expense (income)]

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