Purchased Receivables - Allowance on Net Purchase Receivables (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Purchased Receivable Allowance for Loan Loss Reserve [Roll Forward]
Balance at beginning of period	$ 236	$ 407	$ 273	$ 323
Charge-offs	(63)	(355)	(392)	(369)
Balance at end of period	243	292	243	292
Purchased Receivable
Purchased Receivable Allowance for Loan Loss Reserve [Roll Forward]
Charge-offs	(239)	0	(239)	0
Recoveries	3	0	3	0
Charge-offs net of recoveries	(236)	0	(236)	0
Reserve for purchased receivables	$ 243	$ (115)	$ 206	$ (31)