Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes
Change in interest related to unrecognized tax benefits	$ (189,000)	$ (132,000)	$ (109,000)
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	943,000	1,132,000
Unrecognized Tax Benefits, Income Tax Penalties Expense	0	0	0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 150,000
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Expiration Dates	Dec. 31, 2014
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards, Expiration Dates	Dec. 31, 2015