Income Taxes (Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance as of January 1	$ 0	$ 329	$ 3,536
Additions for tax positions of the current year	0	0	15
Additions for tax positions of prior years	0	0	0
Settlements and changes in judgment	0	0	0
Lapses of applicable statute of limitations	0	(329)	(3,060)
Divestitures and foreign currency translation	0	0	(162)
Balance as of December 31	$ 0	$ 0	$ 329