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Summary of Significant Accounting Policies - Other Expense (Income), Net / Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accounting Policies [Abstract]
Foreign currency transaction losses (gains), net	$ 2,314	$ (37,399)
Other, net	2,399	(5,327)
Other Expense (Income), Net	$ 4,713	$ (42,726)
Effective Tax Rate	23.90%	13.00%
OSG Investment
Schedule of Equity Method Investments [Line Items]
Ownership percentage	25.00%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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