XML 12 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary Of Significant Accounting Policies (Restricted Cash And Cash Equivalents) (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Summary Of Significant Accounting Policies [Abstract] |  |  |  |
Cash related to secured financings | $ 144.0 |  | $ 110.1 |
Cash held in VSC Re trusts for future vehicle service contract claims | 2.6 | [1] | 1.2 | [1]
Total restricted cash and cash equivalents | $ 146.6 |  | $ 111.3 |
[1] | The unearned premium and claims reserve associated with the trusts are included in accounts payable and accrued liabilities in the consolidated balance sheets.

X
- Definition Restricted cash held in trusts for future vehicle service contract claims. + References No definition available. + Details
Name: | cacc_RestrictedCashHeldInTrustsForFutureVehicleServiceContractClaims
Namespace Prefix: | cacc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Restricted cash related to secured financings. + References No definition available. + Details
Name: | cacc_RestrictedCashRelatedToSecuredFinancings
Namespace Prefix: | cacc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_RestrictedCashAndCashEquivalents
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant