Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit as of January 1	$ 24,075	$ 49,085	$ 22,827
Gross decreases-acquisitions	0	(24,963)
Gross increases-acquisitions			26,914
Gross increases-tax positions in prior period	10,183	1,572	207
Gross decreases-tax positions in prior period	(2,281)	0	(1,743)
Gross increases-tax positions in current period	13,223	1,281	3,563
Reductions due to a lapse of the applicable statute of limitations	(3,226)	(3,502)	(2,230)
Changes due to currency fluctuation	(912)		(453)
Changes due to currency fluctuation		994
Settlements	(1,421)	(392)	0
Unrecognized tax benefit as of December 31	$ 39,641	$ 24,075	$ 49,085

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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Amount of unrecognized tax benefits.

+ References

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Amount of decrease in unrecognized tax benefits resulting from acquisitions.

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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 acquisitions.

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

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