Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits, Excluding Interest and Penalties (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 90,349	$ 60,269
Additions based on tax positions related to the current year	32,072	27,371
Additions for tax positions of prior years	8,564	14,691
Reductions for tax positions of prior years	(16,942)	(3,939)
Reductions for expiration of statutes	(7,481)	(6,293)
Settlements	(3,867)	(472)
Decrease in foreign currency exchange rates		(1,278)
Increase in foreign currency exchange rates	75
Ending balance	$ 102,770	$ 90,349

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from foreign currency translation.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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