Summary Of Significant Accounting Policies (Allowance for Doubtful Accounts) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, beginning of year	$ 240	$ 203
Allowance for Doubtful Accounts Receivable, Write-offs	(219)	0
Additions to allowance	2	37	200
Balance, quarter ended	23	240	203
Discontinued Operations [Member]
Allowance for Doubtful Accounts Receivable [Roll Forward]
Additions to allowance	$ 0	$ 0	$ 200