Income Taxes (Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance as of	$ 3,876	$ 1,414	$ 1,694
Additions for tax positions of the current year	33	148	180
Additions for tax positions of prior years	0	2,955	93
Settlements and changes in judgment	(256)	(331)	(154)
Lapses of applicable statute of limitations	0	(310)	(399)
Balance as of	$ 3,466	$ 3,876	$ 1,414