Income Tax (Details) - USD ($) $ in Thousands	6 Months Ended
Income Tax (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Income Tax [Abstract]
Income tax expense	$ 27,040	$ 31,019
Profit before income tax	$ 49,787	$ 104,194

- 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)]

+ References + Details