Purchased Receivables - Narrative (Details) (USD $)	3 Months Ended			3 Months Ended	12 Months Ended
	Mar. 31, 2014 Segment	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2014 Purchased Receivable	Dec. 31, 2013 Purchased Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Segments And Classes Of Purchased Receivables	1
Financing Receivable, Allowance for Credit Losses, Write-downs	$ 329,000	$ 14,000		$ 0	$ 150,000
Financing Receivable, Recorded Investment, Past Due	2,301,000		2,872,000	0	0
Financing Receivable, Modifications, Recorded Investment	$ 4,800,000		$ 7,900,000	$ 0	$ 0