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Segment Information Segment Information (Details textuals) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Chargeback reserves for finance and insurance revenues |  | $ 14,700 |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  | $ (1,210,000) |  |
deferred tax effect - tax cut job act benefit |  |  |  |  |  |  | $ (73,028) | $ 0 | $ 0
Net Gain (Loss) on Real Estate and Dealership Transactions |  |  |  |  |  |  |  | 2,200 |
Number of Reportable Segments |  |  |  |  |  |  | 3 |  |
ASSET IMPAIRMENTS | $ 10,000 | $ 9,500 | $ 20,000 | $ 10,900 | $ 1,000 | $ 900 | $ 19,506 | 32,838 | 87,562
Deferred Foreign Income Tax Expense (Benefit) |  |  |  |  |  |  | 3,046 | 6,420 | 5,412
U.S. |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Chargeback reserves for finance and insurance revenues |  |  |  |  |  |  | 6,600 |  |
Net Gain (Loss) on Real Estate and Dealership Transactions |  |  |  |  |  |  |  | 2,700 |
ASSET IMPAIRMENTS |  |  |  |  |  |  | 12,762 | 21,794 | 18,983
Brazil |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net Gain (Loss) on Real Estate and Dealership Transactions |  |  |  |  |  |  |  | (800) |
ASSET IMPAIRMENTS |  |  |  |  |  |  | 6,744 | 10,843 | 68,249
Deferred Foreign Income Tax Expense (Benefit) |  |  |  |  |  |  |  | 1,700 |
U.K. |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net Gain (Loss) on Real Estate and Dealership Transactions |  |  |  |  |  |  |  | (300) |
ASSET IMPAIRMENTS |  |  |  |  |  |  | 0 | 201 | 330
Pre-tax [Member] | U.S. |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  | (1,800) | 11,700 | (1,000)
Loss from Catastrophes |  |  |  |  |  |  | 8,800 | 5,900 | 1,600
Net Gain (Loss) on Real Estate and Dealership Transactions |  |  |  |  |  |  |  | 2,700 | 8,900
Severance Costs |  |  |  |  |  |  |  | 1,800 |
Pre-tax [Member] | Brazil |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Net Gain (Loss) on Real Estate and Dealership Transactions |  |  |  |  |  |  |  | 800 |
Net of taxes [Member] | U.S. |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
Payments for Legal Settlements |  |  |  |  |  |  |  | (7,300) |
Loss from Catastrophes |  |  |  |  |  |  |  | 3,700 | 1,000
Net Gain (Loss) on Real Estate and Dealership Transactions |  |  |  |  |  |  |  | 1,700 | 5,500
Severance Costs |  |  |  |  |  |  |  | 1,200 |
ASSET IMPAIRMENTS |  |  |  |  |  |  | 8,000 | 13,500 | 12,000
Net of taxes [Member] | Brazil |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |
ASSET IMPAIRMENTS |  |  |  |  |  |  | $ 4,400 | $ 6,900 | $ 62,400

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