Income Taxes (Schedule of Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, beginning of year	$ 3,978	$ 16,721	$ 14,033
Increases related to prior year tax positions	0	416	0
Decreases related to prior year tax positions	(125)	(94)	(768)
Settlements with taxing authorities	0	(13,065)	0
Increases related to current year tax positions	652	0	3,518
Expiration of the statute of limitations	0	0	(62)
Balance, end of year	$ 4,505	$ 3,978	$ 16,721