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Long-Term Debt - Real Estate Related and Other Long-Term Debt (Details) R$ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($) loan	Dec. 31, 2018 BRL (R$)	Dec. 31, 2017 USD ($)	Dec. 31, 2017 BRL (R$)
Debt Instrument [Line Items]
Number of manufacturer-affiliated finance partners	3	3
Unamortized debt issuance cost	$ 3,100,000
U.K. Working Capital Loans
Debt Instrument [Line Items]
Borrowings outstanding	18,500,000
Current maturities of long-term debt	$ 2,000,000
Other Real Estate Related Long Term Debt | Minimum
Debt Instrument [Line Items]
Interest rate	3.25%	3.25%
Other Real Estate Related Long Term Debt | Maximum
Debt Instrument [Line Items]
Interest rate	4.69%	4.69%
Real Estate Related and Other Long-Term Debt
Debt Instrument [Line Items]
Number of loans | loan	60
Aggregate principal amount	$ 420,100,000
Borrowings outstanding	343,800,000		$ 350,000,000
Current maturities of long-term debt	67,900,000		26,400,000
Principal payments	42,700,000
Principal payments	48,900,000
Unamortized debt issuance cost	$ 600,000
Real Estate Related and Other Long-Term Debt | Minimum
Debt Instrument [Line Items]
Basis spread on interest rate	1.50%
Real Estate Related and Other Long-Term Debt | Maximum
Debt Instrument [Line Items]
Basis spread on interest rate	2.50%
U.K. Notes
Debt Instrument [Line Items]
Number of loans | loan	18
Borrowings outstanding	$ 73,800,000		79,200,000
Current maturities of long-term debt	7,600,000		7,400,000
Principal payments	12,500,000
Additional borrowings	12,100,000
Brazil Note
Debt Instrument [Line Items]
Borrowings outstanding	2,500,000		3,300,000
Current maturities of long-term debt	300,000		$ 400,000
Principal payments	500,000
Additional borrowings	0
Brazilian Third-Party Financial Institution
Debt Instrument [Line Items]
Borrowings outstanding | R$		R$ 5.7		R$ 6.6
Additional borrowings	$ 0

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Borrowings of long term debt related to real estate loans.

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Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Footnote 3
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
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Face (par) amount of debt instrument at time of issuance.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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