Debt Instruments	6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]
Debt Instruments	NOTE 7 — DEBT INSTRUMENTS Floor Plan Facility In October 2014, DriveTime and the Company entered into an inventory and financing agreement and a cross collateral, cross default and guaranty agreement with a third party secured by DriveTime and the Company’s vehicle inventory. In July 2015, the Company was removed as a party to the cross collateral agreement and the inventory and financing agreement was amended and restated to remove DriveTime (the "Floor Plan Facility"). The Floor Plan Facility was most recently amended in June 2017 and provides for up to $200.0 million of available credit, has an interest rate based on one month LIBOR plus 3.80%, and matures on December 27, 2017. This agreement may be extended for an additional 364-day period at the lender's sole discretion. All borrowings under the amended Floor Plan Facility are required to be used to acquire used vehicle inventory and are collateralized by substantially all the Company’s assets, other than the Company’s interests in real property. The Floor Plan Facility requires that at least 5% of the total principal amount owed to the lender is held as restricted cash. Principal payments in an amount equal to the amount of the advance or loan must be made within five business days of selling or otherwise disposing of the underlying vehicle inventory. For sales involving financing originated by the Company and sold under either the Purchase and Sale Agreement or the Master Transfer Agreement as mentioned in Note 6 — Finance Receivable Sale Agreements, the amended agreement extends repayment to the earlier of fifteen business days after the sale of the used vehicle or one day following the sale of the related finance receivable. Outstanding balances related to vehicles held in inventory for more than 180 days require monthly principal payments equal to 10% of the original principal amount of that vehicle until the remaining outstanding balance is the lesser of i) 50% of the original principal amount or ii) 50% of the wholesale value. Prepayments may be made without incurring a premium or penalty. As of June 30, 2017, the interest rate on the Floor Plan Facility was approximately 5.02%, the Company had an outstanding balance under this facility of approximately $166.8 million, borrowing capacity available of approximately $33.2 million and held approximately $8.3 million in restricted cash related to this facility. As of December 31, 2016, the Company held approximately $8.4 million in restricted cash related to this facility. Notes Payable The Company has entered into promissory note agreements during 2017 and 2016 totaling approximately $10.3 million to purchase equipment for its transportation fleet used to transport vehicles. The principal amounts range from approximately $0.3 million to $1.8 million with fixed annual interest rates ranging from 4.56% to 6.29%. Each of the notes require monthly payments and mature in five years. These notes are secured by the Company’s equipment acquired using the notes, including but not limited to any additions, replacements and proceeds. As of June 30, 2017, the outstanding amount of these notes totaled approximately $9.2 million, of which approximately $1.9 million is due within the next twelve months and is included as current portion of long-term debt on the accompanying unaudited condensed consolidated balance sheets. Other Long-Term Debt The Company has financed certain purchases of its property and equipment through a sale and leaseback transaction which is treated as a financing transaction in accordance with applicable accounting guidance. As of June 30, 2017, the liability associated with this arrangement is approximately $3.0 million and is included in long-term debt in the accompanying unaudited condensed consolidated balance sheet.

NOTE 7 — DEBT INSTRUMENTS

Floor Plan Facility

In October 2014, DriveTime and the Company entered into an inventory and financing agreement and a cross collateral, cross default and guaranty agreement with a third party secured by DriveTime and the Company’s vehicle inventory. In July 2015, the Company was removed as a party to the cross collateral agreement and the inventory and financing agreement was amended and restated to remove DriveTime (the "Floor Plan Facility"). The Floor Plan Facility was most recently amended in June 2017 and provides for up to $200.0 million of available credit, has an interest rate based on one month LIBOR plus 3.80%, and matures on December 27, 2017. This agreement may be extended for an additional 364-day period at the lender's sole discretion. All borrowings under the amended Floor Plan Facility are required to be used to acquire used vehicle inventory and are collateralized by substantially all the Company’s assets, other than the Company’s interests in real property. The Floor Plan Facility requires that at least 5% of the total principal amount owed to the lender is held as restricted cash.

Principal payments in an amount equal to the amount of the advance or loan must be made within five business days of selling or otherwise disposing of the underlying vehicle inventory. For sales involving financing originated by the Company and sold under either the Purchase and Sale Agreement or the Master Transfer Agreement as mentioned in Note 6 — Finance Receivable Sale Agreements, the amended agreement extends repayment to the earlier of fifteen business days after the sale of the used vehicle or one day following the sale of the related finance receivable. Outstanding balances related to vehicles held in inventory for more than 180 days require monthly principal payments equal to 10% of the original principal amount of that vehicle until the remaining outstanding balance is the lesser of i) 50% of the original principal amount or ii) 50% of the wholesale value. Prepayments may be made without incurring a premium or penalty.

As of June 30, 2017, the interest rate on the Floor Plan Facility was approximately 5.02%, the Company had an outstanding balance under this facility of approximately $166.8 million, borrowing capacity available of approximately $33.2 million and held approximately $8.3 million in restricted cash related to this facility. As of December 31, 2016, the Company held approximately $8.4 million in restricted cash related to this facility.

Notes Payable

The Company has entered into promissory note agreements during 2017 and 2016 totaling approximately $10.3 million to purchase equipment for its transportation fleet used to transport vehicles. The principal amounts range from approximately $0.3 million to $1.8 million with fixed annual interest rates ranging from 4.56% to 6.29%. Each of the notes require monthly payments and mature in five years. These notes are secured by the Company’s equipment acquired using the notes, including but not limited to any additions, replacements and proceeds. As of June 30, 2017, the outstanding amount of these notes totaled approximately $9.2 million, of which approximately $1.9 million is due within the next twelve months and is included as current portion of long-term debt on the accompanying unaudited condensed consolidated balance sheets.

Other Long-Term Debt

The Company has financed certain purchases of its property and equipment through a sale and leaseback transaction which is treated as a financing transaction in accordance with applicable accounting guidance. As of June 30, 2017, the liability associated with this arrangement is approximately $3.0 million and is included in long-term debt in the accompanying unaudited condensed consolidated balance sheet.