Income Taxes (Schedule of Unrecognized Tax Benefits) (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]
Unrecognized tax benefits, beginning of year	$ 22,584	$ 25,910
Increases - tax positions taken in prior period	700	725
Decreases - tax positions taken in prior period	(57)	(107)
Increases - tax positions taken in current period	1,268	2,644
Settlement and lapse of statute of limitations	(4,364)	(4,944)
Currency translation adjustment	101	(1,644)
Unrecognized tax benefits, end of year	$ 20,232	$ 22,584