Income Taxes (Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance as of	$ 1,694	$ 2,485	$ 3,687
Additions for tax positions of the current year	180	83	105
Additions for tax positions of prior years	93	0	67
Settlements and changes in judgment	(154)	(26)	(857)
Lapses of applicable statute of limitations	(399)	(848)	(517)
Balance as of	$ 1,414	$ 1,694	$ 2,485