Debt Secured Receivables Fair Value.

No definition available.

Name:	cpss_DebtSecuredReceivablesFairValue
Namespace Prefix:	cpss_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13476-108611

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Description of the inputs and valuation technique(s) used to measure fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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- Definition

Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

+ References

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 210.5-02.3)

-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 3, 4

-Article 5

+ Details

Name:	us-gaap_ReceivablesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of interest continued to be held by a transferor after transferring financial assets to a third party.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 10

-Section 15

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=51676357&loc=d3e94415-111705

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Balance Type:	debit
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- Details

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- Details

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11. Fair Value Measurements (Details-Level 3 fair value measurements) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2013	Dec. 31, 2014	Mar. 31, 2014
Finance receivables measured at fair value	$ 743us-gaap_ReceivablesFairValueDisclosure	14,476us-gaap_ReceivablesFairValueDisclosure	$ 1,664us-gaap_ReceivablesFairValueDisclosure	$ 9,058us-gaap_ReceivablesFairValueDisclosure
Residual interest in securitizations	32		68
Debt secured by receivables measured at fair value			1,250cpss_DebtSecuredReceivablesFairValue
Finance receivables
Finance receivables measured at fair value	743		1,664
Valuation Techniques and Unobservable Inputs	Discounted cash flows; Discount rate 15.4%, Cumulative net losses 5.0%, Monthly average prepayments 0.5%	Discounted cash flows; Discount rate 15.4%, Cumulative net losses 5.0%, Monthly average prepayments 0.5%
DebtSecuredReceivablesMember
Debt secured by receivables measured at fair value	0
Debt secured by receivables measured at fair value
Debt secured by receivables measured at fair value			$ 1,250
Valuation Techniques and Unobservable Inputs		Discounted cash flows, Discount rate 12.2%