8. Debt (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	$ 87,189	$ 100,978
Senior Secured Debt Related Party 1
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	50,135	58,344
Subordinated renewable notes
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	23,281	20,750
Residual interest financing
Fair Value, Option, Qualitative Disclosures Related to Election [Line Items]
Other debt outstanding	$ 13,773	$ 21,884

Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Name:	us-gaap_OtherLongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant