Floor Plan Notes Payable, Offsets

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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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.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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FLOOR PLAN NOTES PAYABLE—NON-TRADE (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Oct. 16, 2014
Debt Instrument [Line Items]
Floor plan notes payable, offsets	$ 132,100,000	$ 32,200,000
Revolving Credit Facility1 \| Line of Credit \| Minimum
Debt Instrument [Line Items]
Commitment fee percentage	0.15%
Revolving Credit Facility1 \| Line of Credit \| Maximum
Debt Instrument [Line Items]
Commitment fee percentage	0.40%
Revolving Credit Facility1 \| Line of Credit \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Revolving Credit Facility1 \| Line of Credit \| Federal Funds
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Revolving Credit Facility1 \| Bank of America \| Line of Credit \| LIBOR \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Revolving Credit Facility1 \| Bank of America \| Line of Credit \| LIBOR \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Revolving Credit Facility1 \| Bank of America \| Line of Credit \| Base Rate \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.15%
Revolving Credit Facility1 \| Bank of America \| Line of Credit \| Base Rate \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
New Vehicle Floor Plan Facility \| Line of Credit \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.10%
New Vehicle Floor Plan Facility \| Line of Credit \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.10%
Used Vehicle Floor Plan Facility \| Line of Credit \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.40%
Used Vehicle Floor Plan Facility \| Line of Credit \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.40%
New Vehicle and Used Vehicle Floor Plan \| Line of Credit
Debt Instrument [Line Items]
Unused capacity, commitment fee percentage	0.15%
Revolving Credit Facility \| Bank of America
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 250,000,000.0
Standby Letters of Credit \| Bank of America
Debt Instrument [Line Items]
Face amount	50,000,000.0		$ 50,000,000.0
New Vehicle Revolving Floor Plan Facility \| Bank of America
Debt Instrument [Line Items]
Current borrowing capacity	60,000,000.0
Maximum borrowing capacity	1,040,000,000.00
Remaining borrowing capacity	$ 190,000,000.0
Used Vehicle Revolving Floor Plan Facility
Debt Instrument [Line Items]
Commitment fee percentage	0.15%
Used Vehicle Revolving Floor Plan Facility \| Bank of America
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 160,000,000.0
Senior Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 350,000,000.0