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Income Taxes Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Taxes [Abstract] |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | The tax effects of the significant temporary differences that comprise the deferred tax assets and liabilities are as follows:
| December 31,
(In thousands) | 2017 | 2016
Deferred tax assets: |  |
Warranty, insurance and other accruals | $ | 8,078 |  | $ | 12,738 |
Equity-based compensation | 3,250 |  | 5,482 |
Inventory | 4,720 |  | 8,223 |
State taxes | 160 |  | 219 |
Net operating loss carryforward | 6,193 |  | 8,483 |
Deferred charges | 506 |  | 1,812 |
Total deferred tax assets | $ | 22,907 |  | $ | 36,957 |
Deferred tax liabilities: |  |  |
Federal effect of state deferred taxes | $ | 1,777 |  | $ | 3,879 |
Depreciation | 2,382 |  | 1,947 |
Prepaid expenses | 310 |  | 256 |
Total deferred tax liabilities | $ | 4,469 |  | $ | 6,082 |
Net deferred tax asset | $ | 18,438 |  | $ | 30,875 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | The provision from income taxes consists of the following:
| Year Ended December 31,
(In thousands) | 2017 | 2016 | 2015
Current: |  |  |
Federal | $ | 33,392 |  | $ | 1,745 |  | $ | 1,757 |
State | 2,414 |  | 2,120 |  | 883 |
| $ | 35,806 |  | $ | 3,865 |  | $ | 2,640 |
| Year Ended December 31,
(In thousands) | 2017 | 2016 | 2015
Deferred: |  |  |
Federal | $ | 11,916 |  | $ | 28,335 |  | $ | 28,760 |
State | 521 |  | 2,976 |  | 3,766 |
| $ | 12,437 |  | $ | 31,311 |  | $ | 32,526 |
Total | $ | 48,243 |  | $ | 35,176 |  | $ | 35,166 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] | Reconciliation of the differences between income taxes computed at the federal statutory tax rate and consolidated benefit from income taxes are as follows:
| Year Ended December 31,
(In thousands) | 2017 | 2016 | 2015
Federal taxes at statutory rate | $ | 42,113 |  | $ | 32,125 |  | $ | 30,425 |
State and local taxes – net of federal tax benefit | 3,420 |  | 3,652 |  | 2,820 |
Change in state NOL deferred asset – net of federal tax benefit | — |  | 729 |  | 1,548 |
Deferred tax asset re-measurement as a result of Tax Act | 6,520 |  | — |  | — |
Equity Compensation | (1,368 | ) | — |  | — |
Manufacturing deduction | (3,262 | ) | (1,298 | ) | — |
Other | 820 |  | (32 | ) | 373 |
Total | $ | 48,243 |  | $ | 35,176 |  | $ | 35,166 |

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- Definition Income Taxes [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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