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Long-Term Debt (Details Textual) $ in Thousands, BRL in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2017 BRL | Sep. 30, 2015 USD ($) | Jun. 30, 2014 USD ($)
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Lease Expiration Date | Jun. 01, 2034 |  |  |  |  |  |  |
Short-term Debt |  |  |  | $ 16,200 |  |  |  |
Unamortized debt issuance cost | $ 3,500 |  | $ 3,500 |  |  |  |  |
Number of manufacturer-affiliated finance partners | 3 |  | 3 |  |  | 3 |  |
Unsecured Debt, Current | $ 24,700 |  | $ 24,700 |  |  |  |  |
Borrowings Of Long Term Debt Related To Real Estate Loans |  |  | 75,309 | 42,654 | $ 32,026 |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Amount | 86,800 |  | 86,800 | 93,900 |  |  |  |
Amortization Cost of Mortgage Facility, Real Estate Related Debt and Acquisition Line |  |  | 3,661 | 3,694 | 3,652 |  |  |
Impact of interest rate derivative instruments related to Mortgage Facility |  |  | 1,900 | 2,300 | 1,800 |  |  |
Total interest expense related to capital leases, net of interest income |  |  | 8,200 | 6,600 | 7,600 |  |  |
Interest costs capitalized on construction projects |  |  | 1,600 | 1,700 | 700 |  |  |
Unsecured Debt [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 300 |  |  |  |  |  |
Proceeds from Issuance of Unsecured Debt |  |  | 25,100 |  |  |  |  |
5.00% Senior Note [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Note agreement with a third party financial institution | $ 550,000 |  | $ 550,000 | 550,000 |  |  | $ 200,000 | $ 350,000
Debt interest rate | 5.00% |  | 5.00% |  |  | 5.00% |  |
Maturity date of notes |  |  | Jun. 01, 2022 |  |  |  |  |
Additional borrowings discount from face value | 1.50% |  | 1.50% |  |  | 1.50% |  |
Amortization period of underwriters fees, debt issuance costs, and discount |  |  | 8 years |  |  |  |  |
Unamortized Underwriters Fees, Discount, and Debt Issuance Costs | $ 7,900 |  | $ 7,900 |  |  |  |  |
Long-term Debt, Fair Value | 567,900 |  | 567,900 | 548,400 |  |  |  |
5.25% Senior Note [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Note agreement with a third party financial institution | $ 300,000 |  | $ 300,000 | $ 300,000 |  |  |  |
Debt interest rate |  |  |  | 5.25% |  |  |  |
Maturity date of notes |  |  | Dec. 15, 2023 |  |  |  |  |
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed |  |  | 35.00% |  |  |  |  |
Redemption price percentage of principal outstanding and accrued unpaid interest | 105.25% |  | 105.25% |  |  | 105.25% |  |
Redemption price percentage of principal redeemed | 100.00% |  | 100.00% |  |  | 100.00% |  |
Amortization period of underwriters fees and debt issuance costs |  |  | 8 years |  |  |  |  |
Unamortized Underwriters Fees and Debt Issuance Costs | $ 3,800 |  | $ 3,800 |  |  |  |  |
Long-term Debt, Fair Value | $ 310,900 |  | $ 310,900 | $ 297,000 |  |  |  |
Other Real Estate Related Long Term Debt [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Debt interest rate | 3.25% |  | 3.25% |  |  | 3.25% |  |
Other Real Estate Related Long Term Debt [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Debt interest rate | 4.69% |  | 4.69% |  |  | 4.69% |  |
Capital Lease Obligations [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Debt, Weighted Average Interest Rate | 10.40% |  | 10.40% | 9.90% |  | 10.40% |  |
U.K. Working Capital Loan [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Short-term Debt | $ 13,400 |  | $ 13,400 |  |  |  |  |
Additional Borrowings |  |  | 5,100 |  |  |  |  |
Proceeds from Short-term Debt |  |  | 0 |  |  |  |  |
Number of loans as per loan agreements | 0 |  |  |  |  |  |  |
Convertible and Senior Notes [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Total interest expense excluding amortization cost |  |  | 43,300 | $ 43,300 | 28,500 |  |  |
Amortization cost of the 3.00% notes, 2.25% Notes, 5.00% Notes, and 5.25% Notes |  |  | $ 2,200 | 2,100 | 1,500 |  |  |
Brazilian third party financial institution [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Maturity date of notes |  |  | Feb. 01, 2020 |  |  |  |  |
Total borrowings | BRL |  |  |  |  |  | BRL 6.6 |  |
Borrowings Of Long Term Debt Related To Real Estate Loans |  |  | $ 0 |  |  |  |  |
Brazil Note [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Maturity date of notes |  |  | Apr. 01, 2025 |  |  |  |  |
Total borrowings | $ 3,300 |  | $ 3,300 |  |  |  |  |
Long-term Debt, Current Maturities | 400 |  | 400 |  |  |  |  |
Repayments of Long-term Debt |  |  | 600 |  |  |  |  |
Borrowings Of Long Term Debt Related To Real Estate Loans |  |  | 0 |  |  |  |  |
Real Estate Related and Other Long Term Debt [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Note agreement with a third party financial institution | 398,000 |  | 398,000 |  |  |  |  |
Unamortized debt issuance cost | 600 |  | 600 |  |  |  |  |
Total borrowings | 350,000 |  | 350,000 | 321,900 |  |  |  |
Long-term Debt, Current Maturities | 26,400 |  | $ 26,400 | 39,800 |  |  |  |
Number of loans as per loan agreements |  |  | 57 |  |  |  |  |
Repayments of Long-term Debt |  |  | $ 18,400 |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  | $ 46,400 |  |  |  |  |
Real Estate Related and Other Long Term Debt [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Variable Interest Rate |  |  | 1.50% |  |  |  |  |
Real Estate Related and Other Long Term Debt [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Maturity date of notes |  |  | Nov. 01, 2032 |  |  |  |  |
Variable Interest Rate |  |  | 2.50% |  |  |  |  |
Fixed interest rate debt [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Long-term Debt, Fair Value | 92,900 |  | $ 92,900 | 94,500 |  |  |  |
Real Estate Credit Facility, Real Estate Related Debt and Acquisition Line [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Total interest expense excluding amortization cost |  |  | $ 15,000 | 13,700 | $ 17,600 |  |  |
U.K. Notes [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Maturity date of notes |  |  | Sep. 01, 2034 |  |  |  |  |
Total borrowings | 79,200 |  | $ 79,200 | 50,400 |  |  |  |
Long-term Debt, Current Maturities | 7,400 |  | $ 7,400 | $ 4,300 |  |  |  |
Number of loans as per loan agreements |  |  | 16 |  |  |  |  |
Repayments of Long-term Debt |  |  | $ 5,700 |  |  |  |  |
Borrowings Of Long Term Debt Related To Real Estate Loans |  |  | 28,900 |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 1,800,000 |  | 1,800,000 |  |  |  |  |
Line of Credit Facility, Expiration Date | Jun. 17, 2021 |  |  |  |  |  |  |
Revolving Credit Facility, Acquisition Line [Member] |  |  |  |  |  |  |  |
Long Term Debt (Textual) [Abstract] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 360,000 |  | 360,000 |  |  |  |  |
Line of credit facility minimum borrowing capacity | $ 50,000 |  | $ 50,000 |  |  |  |  |
Variable Interest Rate |  |  | 1.50% |  |  |  |  |

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