XML 68 R54.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Notes Payable Schedule of structured financing notes at fair value (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |
Total structured financing notes reported at fair value that are secured by credit card receivables and to which we are subordinated |  | $ 9,240,000 | $ 12,276,000
Debt, Weighted Average Interest Rate | [1],[2] | 6.00% | 5.40%
Credit card receivables and restricted cash carrying amount as security for notes payable |  | $ 9,200,000 |
Maturity date |  | Nov. 30, 2035 |
Debt Instrument, Interest Rate, Effective Percentage |  | 9.20% |
Loans Pledged as Collateral | [1],[2] | $ 77,900,000 | $ 69,900,000
Notes Payable to Banks [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Total structured financing notes reported at fair value that are secured by credit card receivables and to which we are subordinated |  | 9,200,000 | 12,300,000
Amortizing Securitization Facility Expiration Date December 1, 2021 [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Face Amount |  | $ 101,300,000.0 | $ 102,000,000
Debt, Weighted Average Interest Rate |  | 6.70% | 6.10%
Credit card receivables and restricted cash carrying amount as security for notes payable |  | $ 9,200,000.0 | $ 12,300,000
Maturity date |  | Dec. 01, 2021 |
[1] | (2)Loans are subject to certain affirmative covenants tied to default rates and other performance metrics the failure of which could result in required early repayment of the remaining unamortized balances of the notes.
[2] | (3)These notes reflect modifications to either extend the maturity date, increase the loaned amount or both.

X
- Definition This line item represents aggregate carrying amount of credit card receivables and restricted cash that provides security for structured financing notes, as of balance sheet date. + References No definition available. + Details
Name: | atlc_CreditCardReceivablesAndRestrictedCashCarryingAmountAsSecurityForNotesPayable
Namespace Prefix: | atlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt that reflects the fair value of the consolidation of our securitization trusts presenting certain non-recourse, asset-backed structured financing debt facilities that are secured by these credit card receivables that are held within such trusts. + References No definition available. + Details
Name: | atlc_NotesPayableAssociatedWithStructuredFinancingsAtFairValue
Namespace Prefix: | atlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentInterestRateEffectivePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + 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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5086-111524 + Details
Name: | us-gaap_LoansPledgedAsCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableToBanksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | atlc_AmortizingSecuritizationFacilityExpirationDateAxis=atlc_AmortizingSecuritizationFacilityExpirationDateDecember12021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |