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Long-Term Debt (Details Textual) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2015 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($) | Dec. 31, 2014 USD ($) | Jun. 30, 2014 USD ($) | Jun. 25, 2014 USD ($)
Long-term Debt (Textual) |  |  |  |  |  |
Current maturities of long-term debt | $ 55,959 | $ 55,959 |  | $ 72,630 |  |
Number of manufacturer-affiliated finance partners | 4 | 4 |  |  |  |
Borrowings Of Long Term Debt Related To Real Estate Loans |  | $ 22,430 | $ 65,628 |  |  |
Lease Expiration Date | Jun. 01, 2034 |  |  |  |  |
Capital Lease Obligations [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Debt, Weighted Average Interest Rate | 9.70% | 9.70% |  |  |  |
3.00% Convertible Senior Notes due 2020 [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Debt Instrument, Repurchased Face Amount |  |  |  |  |  | $ 92,500
Note agreement with a third party financial institution |  |  |  |  |  | $ 115,000
5.00% Senior Note [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Long-term Debt, Fair Value | $ 539,000 | $ 539,000 |  | 534,900 |  |
Note agreement with a third party financial institution | 550,000 | 550,000 | $ 200,000 | 550,000 | $ 350,000 |
Debt Issuance Cost |  | 2,600 |  |  |  |
Unamortized debt issuance cost | 2,100 | $ 2,100 |  |  |  |
Ending date of installments to be repaid |  | Jun. 01, 2022 |  |  |  |
Other Real Estate Related Long Term Debt [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Amount | 147,300 | $ 147,300 |  | 158,100 |  |
Real Estate Related Debt [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Debt Issuance Cost |  | 1,300 |  |  |  |
Unamortized debt issuance cost | 300 | $ 300 |  |  |  |
Interest on real estate notes, minimum |  | 3.00% |  |  |  |
Interest on real estate notes, maximum |  | 5.47% |  |  |  |
Real Estate Related Debt [Member] | Minimum [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Variable Interest Rate |  | 1.50% |  |  |  |
Real Estate Related Debt [Member] | Maximum [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Variable Interest Rate |  | 2.55% |  |  |  |
Real Estate Related Debt [Member] | Toyota Motor Credit Corporation [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal |  | $ 1,500 |  |  |  |
Maturity date of of notes |  | Aug. 01, 2022 |  |  |  |
Current maturities of long-term debt | $ 2,200 | $ 2,200 |  |  |  |
Proceeds from Issuance of Long-term Debt |  | 0 |  |  |  |
Amortization schedule | 20 years |  |  |  |  |
Total borrowings | $ 48,500 | 48,500 |  |  |  |
Number of loans as per loan agreements | 8 |  |  |  |  |
Real Estate Related Debt [Member] | Mercedes-Benz Financial Services [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 800 |  |  |  |
Ending date of installments to be repaid |  | Jan. 01, 2031 |  |  |  |
Current maturities of long-term debt | $ 1,200 | $ 1,200 |  |  |  |
Proceeds from Issuance of Long-term Debt |  | 0 |  |  |  |
Amortization schedule | 20 years |  |  |  |  |
Total borrowings | $ 26,500 | 26,500 |  |  |  |
Number of loans as per loan agreements | 2 |  |  |  |  |
Real Estate Related Debt [Member] | BMW Financial Services [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 3,300 |  |  |  |
Maturity date of of notes |  | Oct. 01, 2021 |  |  |  |
Current maturities of long-term debt | $ 4,600 | $ 4,600 |  |  |  |
Proceeds from Issuance of Long-term Debt |  | 0 |  |  |  |
Amortization schedule | 15 years |  |  |  |  |
Total borrowings | $ 62,600 | 62,600 |  |  |  |
Number of loans as per loan agreements | 14 |  |  |  |  |
Real Estate Related Debt [Member] | Ford Motor Credit Company [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 1,100 |  |  |  |
Ending date of installments to be repaid |  | Dec. 01, 2024 |  |  |  |
Amortization schedule | 20 years |  |  |  |  |
Brazil Note [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 0 |  |  |  |
Current maturities of long-term debt | $ 400 | 400 |  |  |  |
Proceeds from Issuance of Long-term Debt |  | 0 |  |  |  |
Total borrowings | 3,700 | 3,700 |  |  |  |
Brazilian third party financial institution [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 9,300 |  |  |  |
Ending date of installments to be repaid |  | Feb. 01, 2017 |  |  |  |
Total borrowings | 5,500 | $ 5,500 |  |  |  |
Borrowings Of Long Term Debt Related To Real Estate Loans |  | 0 |  |  |  |
Third-party financial institution [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Repayments of Long-term Debt |  | 6,500 |  |  |  |
Term loans provided under credit facility | 121,200 | $ 121,200 |  |  |  |
Ending date of installments to be repaid |  | Nov. 01, 2022 |  |  |  |
Current maturities of long-term debt | 6,100 | $ 6,100 |  |  |  |
Proceeds from Issuance of Long-term Debt |  | 0 |  |  |  |
Total borrowings | $ 108,700 | 108,700 |  |  |  |
Number of loans as per loan agreements | 18 |  |  |  |  |
Third-party financial institution [Member] | Ford Motor Credit Company [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Current maturities of long-term debt | $ 1,500 | 1,500 |  |  |  |
Proceeds from Issuance of Long-term Debt |  | 0 |  |  |  |
Total borrowings | $ 34,000 | 34,000 |  |  |  |
Number of loans as per loan agreements | 4 |  |  |  |  |
Foreign Note [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 2,600 |  |  |  |
Maturity date of of notes |  | Sep. 01, 2034 |  |  |  |
Current maturities of long-term debt | $ 4,600 | $ 4,600 |  |  |  |
Proceeds from Issuance of Long-term Debt |  | 17,400 |  |  |  |
Total borrowings | 59,700 | 59,700 |  |  |  |
Real Estate Credit Facility [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Debt Issuance Cost |  | 1,100 |  |  |  |
Unamortized debt issuance cost | 200 | 200 |  |  |  |
Available Borrowings Of Term Loans Under Real Estate Credit Facility | $ 25,000 | $ 25,000 |  |  |  |
Interest rate under condition second |  | 0.95% |  |  |  |
Percentage of principal payments to make its quarterly payment | 1.25% |  |  |  |  |
Borrowings under amended and restated mortgage facility |  | $ 0 |  |  |  |
Principal payments on outstanding borrowings |  | 2,500 |  |  |  |
Current maturities of long-term debt | $ 30,900 | $ 30,900 |  |  |  |
Variable Interest Rate |  | 2.00% |  |  |  |
Total borrowings | $ 55,500 | $ 55,500 |  |  |  |
Real Estate Credit Facility [Member] | Minimum [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Ending date of installments to be repaid |  | Dec. 29, 2015 |  |  |  |
Real Estate Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Ending date of installments to be repaid |  | Feb. 27, 2017 |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] | Real Estate Credit Facility [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Interest rate under sub-condition three of condition second | 1.05% |  |  |  |  |
Federal Funds Rate [Member] | Real Estate Credit Facility [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Variable Interest Rate |  | 0.50% |  |  |  |
Fixed interest rate debt [Member] | Other Real Estate Related Long Term Debt [Member] |  |  |  |  |  |
Long-term Debt (Textual) |  |  |  |  |  |
Long-term Debt, Fair Value | $ 170,800 | $ 170,800 |  | $ 186,400 |  |

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