VIE and Other Finance Receivables, net of Allowance for Losses (Details 4) (VIE and Other Finance Receivables, net, USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
VIE and Other Finance Receivables, net of Allowance for Losses
Reserve for financing receivable	$ 8,516	$ 8,342	$ 5,668	$ 4,650
Pre-settlement advances
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	56,739	56,309
Reserve for financing receivable	8,176	8,011	5,272	4,194
Pre-settlement advances | 2009
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	4,016	4,578
Pre-settlement advances | 2010
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	5,204	5,740
Pre-settlement advances | 2011
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	9,612	10,915
Pre-settlement advances | 2012
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	15,742	17,527
Pre-settlement advances | 2013
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	15,147	17,549
Pre-settlement advances | 2014
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	7,018
Attorney cost financing
VIE and Other Finance Receivables, net of Allowance for Losses
Gross financing receivable	1,761	2,069
Reserve for financing receivable	$ 283	$ 283	$ 215	$ 269