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Notes Payable Schedule of structured financing notes at face value (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Notes Payable, at Face Value [Abstract] |  |  |
Long-term Line of Credit |  | $ 160,854 | $ 83,184
Amortizing debt facilities |  | 65,384 | 57,982
Notes Payable, Related Parties |  | 40,000 | 40,000
Notes Payable, Gross |  | 268,800 | 181,600
Notes Payable |  | 266,200 | 181,200
Debt Issuance Costs, Net |  | $ 2,600 | $ 400
Debt, Weighted Average Interest Rate | [1],[2] | 6.00% | 5.40%
Loans Pledged as Collateral | [1],[2] | $ 77,900 | $ 69,900
Maturity date |  | Nov. 30, 2035 |
Amortizing Debt Facility Secured By Underlying Merchant Expiring July 2017 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2],[3] | $ 0 | 20,400
Maturity date | [1],[2],[3] | Jul. 15, 2017 |
Expiring August 2018 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2] | $ 0 | 9,700
Maturity date | [1],[2] | Sep. 01, 2017 |
Expires March 2018 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2],[3] | $ 3,700 | 14,600
Maturity date | [1],[2],[3] | Mar. 31, 2018 |
Expiring June 2018 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2],[3] | $ 18,300 | 0
Maturity date | [1],[2],[3] | Jun. 30, 2018 |
Expires August 2018 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2] | $ 6,000 | 6,000
Maturity date | [1],[2] | Dec. 12, 2018 |
Expiring September 2018 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2] | $ 7,500 | 7,500
Maturity date | [1],[2] | Sep. 14, 2018 |
Expiring November 2018 2 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2],[3] | $ 20,500 | 0
Maturity date | [1],[2],[3] | Nov. 30, 2018 |
Expires April 22, 2019 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Amortizing debt facilities | [1],[2],[3] | $ 10,000 | 0
Maturity date | [1],[2],[3] | Apr. 22, 2019 |
Senior Secured Term Loan, Expiring 2018 [Domain] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Notes Payable, Related Parties | [4] |  | $ 40,000
Debt Instrument, Interest Rate, Stated Percentage | [4] | 9.00% | 9.00%
Related Party Transaction, Date | [4] | Nov. 21, 2018 |
Expiring November 2018 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Long-term Line of Credit | [5] | $ 24,800 | $ 29,200
Line of Credit Facility, Expiration Date | [5] | Nov. 01, 2019 |
Revolving Credit Facility [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Debt, Weighted Average Interest Rate |  | 7.80% | 4.80%
Carrying Amount of Receivables as Security for Structured Financing Notes |  | $ 216,000 | $ 127,900
Expiring October 2017 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Long-term Line of Credit | [1],[2] | $ 49,400 | 34,700
Line of Credit Facility, Expiration Date | [1],[2] | Oct. 30, 2019 |
Expiring October 4 2017 [Domain] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Long-term Line of Credit | [1],[2] | $ 3,800 | 0
Line of Credit Facility, Expiration Date | [1],[2] | Dec. 21, 2019 |
Expiring December 2019 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Long-term Line of Credit | [1],[2] | $ 19,800 | 19,500
Line of Credit Facility, Expiration Date | [1],[2] | Dec. 31, 2019 |
Expiring February 2022 [Member] |  |  |
Notes Payable, at Face Value [Abstract] |  |  |
Long-term Line of Credit | [1],[4] | $ 65,000 | $ 0
Line of Credit Facility, Expiration Date | [1],[4] | Feb. 08, 2022 |
[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.
[3] | Loans are comprised of four tranches with the same lenders. Terms and conditions are substantially identical with the exception of maturity date as indicated in the table above.
[4] | See below for additional information.
[5] | Loan is subject to certain affirmative covenants, including a coverage ratio, a leverage ratio and a collateral performance test, the failure of which could result in required early repayment of all or a portion of the outstanding balance by our CAR Auto Finance operations.

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- Definition This line item represents aggregate carrying amount of receivables and other assets that provides security for structured financing notes, as of balance sheet date. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 + Details
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- 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
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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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)) -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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Date the credit facility terminates, 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- 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
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- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. + 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)) -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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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