Purchased Receivables (Summary Of Componenets Of Net Purchased Receivables) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 segment	Dec. 31, 2011
Purchased Receivables [Abstract]
Segment/class of purchased receivables	1
Purchased receivables	$ 19,345	$ 30,209
Reserve for purchased receivable losses	(323)
Total	$ 19,022	$ 30,209