Income Taxes (Reconciliation Of Unrecognized Tax Benefits Table) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Contingency [Line Items]
Unrecognized tax benefits at beginning of period	$ 582	$ 1,013
Increases based on tax positions for prior periods	37	147
Decreases related to settlements with taxing authorities		(578)
Balance at end of period	619	582
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	619
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 464	$ 443
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2013
State and Local Jurisdiction [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2012