Income Taxes Uncertain Tax Positions (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	$ 100,000
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	291,000	32,000
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(1,386,000)	0
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(39,000)	(18,000)
Liability for Uncertain Tax Positions, Noncurrent	6,948,000	6,792,000	5,531,000
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	$ 1,290,000	$ 1,247,000