Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Stock-Based Compensation [Abstract]
Number of Shares, outstanding - beginning of year	398,893
Number of Shares, Granted
Number of Shares, Exercised	0
Number of Shares, Forfeited or expired	(59,310)
Number of Shares, outstanding - end of period	339,583	398,893
Number of Shares, exercisable - end of period	125,083
Weighted Average Exercise Price per Share, outstanding - beginning of year	$ 7.95
Weighted Average Exercise Price per Share, Granted
Weighted Average Exercise Price per Share, Exercised
Weighted Average Exercise Price per Share, Forfeited or expired	$ 10.14
Weighted Average Exercise Price per Share, outstanding - end of period	$ 7.57	$ 7.95
Weighted Average Exercise Price per Share, exercisable - end of period	$ 9.80
Options outstanding, weighted average remaining contractual term	5 years 7 months 6 days	5 years 7 months 6 days
Options exercisable, weighted average remaining contractual term	3 years 2 months 12 days
Options outstanding, aggregate intrinsic value	$ 2,240	$ 13,080
Options exercisable, aggregate intrinsic value	$ 2,240