Income Taxes (Reconciliation Of Unrecognized Tax Benefits Table) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Tax Contingency [Line Items]
Unrecognized tax benefits at beginning of period	$ 1,849	$ 645
Increases based on tax positions for prior periods	220	1,401
Increases based on tax positions related to current period		34
Decreases related to settlements with taxing authorities		(139)
Decreases as a result of a lapse of the applicable statute of limitations	(24)	(92)
Balance at end of period	2,045	1,849
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	2,045
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 320
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2009
State and Local Jurisdiction [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2008