XML 18 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

General (Details) In Millions, unless otherwise specified |  | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 Pledge to Purchase Receivables [Member] USD ($) | Jun. 30, 2013 Pledge to Purchase Receivables [Member] GBP (£) | Jun. 30, 2013 Commitments to Car Operations [Member] USD ($) | Jun. 30, 2013 Supply Commitment [Member] USD ($) | Jun. 30, 2013 Securities Pledged as Collateral [Member] USD ($) | Jun. 30, 2013 Guarantee Obligations [Member] USD ($) | Jun. 30, 2013 Penalty for Termination Prior to Contractual Termination Period [Member] USD ($) | Jun. 30, 2013 U.K. Portfolio Structured Financing Trust [Member] USD ($) | Jun. 30, 2013 U.K. Portfolio Structured Financing Trust [Member] Guarantee Obligations [Member] european_payment_system
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |  |  |  |  |  |  |  |
Off-balance sheet risks, liability | $ 2.8 | £ 1.8 | $ 5.8 | $ 39.0 |  | $ 4.4 | $ 9.1 | $ 0.2 |
Off-balance sheet risks, asset |  |  |  |  | $ 0.2 |  |  |  |
Number of European payment systems to which the Company has guarantor obligations |  |  |  |  |  |  |  |  | 1

X
- Definition This element represents the number of European payment systems to which the Company has guarantor obligations. + References No definition available. + Details
Name: | atlc_NumberOfEuropeanPaymentSystemsToWhichCompanyHasGuarantorObligations
Namespace Prefix: | atlc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fair value of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + 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=7491637&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + 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=7491637&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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