Purchased Receivables - Summary of Allowance for Loan Losses Purchased Receivables (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Allowance for Loan and Lease Losses [Roll Forward]
Balance at beginning of period	$ 323	$ 0
Charge-offs	(1,196)	(1,172)
Balance at end of period	273	323
Purchased Receivable
Allowance for Loan and Lease Losses [Roll Forward]
Charge-offs	(150)	(34)
Recoveries	0	0
Charge-offs net of recoveries	(150)	(34)
Reserve of purchased receivables	$ 100	$ 357