Purchased Receivables - Summary Of Components Of Net Purchased Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Purchased Receivables [Abstract]
Purchased receivables	$ 13,507	$ 15,543
Reserve for purchased receivable losses	(181)	(289)	$ (273)
Total	$ 13,326	$ 15,254