Income Taxes (Unrecognized Tax Benefit Activity) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	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]
Unrecognized tax benefits, beginning balance		$ 5,025	$ 5,111
Increase related to prior period positions	341	583	0
Increase related to current year tax positions	380	241	124
Reductions for tax positions of prior years	(676)	(123)	(210)
Settlements	0	0	0
Unrecognized tax benefits, ending balance	$ 5,771	$ 5,726	$ 5,025