6. Interest Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Interest income	$ 60,462	$ 45,053	$ 167,426	$ 127,210
Interest on Finance Receivables
Interest income	60,462	44,808	167,416	126,029
Residual Interest Income
Interest income	0	0	0	458
Other Interest Income
Interest income	$ 0	$ 245	$ 10	$ 723

Interest and fee income generated from consumer loans. Consumer loans are loans to individuals for household, family, and other personal expenditures. Such loans include residential mortgages, home equity lines-of-credit, automobiles and marine transport loans, credit card transactions, and others.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.1)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 1

-Article 9

Name:	us-gaap_InterestAndFeeIncomeLoansConsumer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration