Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit as of January 1	$ 4,511	$ 6,204	$ 4,750
Additions in tax positions taken in prior period	631	250	683
Reductions in tax positions taken in prior period	(1,532)	(690)	0
Additions in tax positions taken in current period	1,786	461	966
Settlements	(391)	(621)	(123)
Lapse of statute of limitations	(368)	(1,045)	(414)
Cumulative foreign currency translation adjustment	(24)	(48)
Cumulative foreign currency translation adjustment			342
Unrecognized tax benefit as of December 31	$ 4,613	$ 4,511	$ 6,204

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.

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