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Definite- and Indefinite-Lived Intangible Assets (Schedule of Definite and Indefinite Lived Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Definite: | $ 58,912 | $ 52,690
Less accumulated amortization | (11,540) | (8,152)
Total net | 47,372 | 44,538
Intangible assets, net | 52,872 | 50,038
Trade names and trademarks |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Indefinite: | $ 5,500 | 5,500
Trade names and trademarks |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Estimated Useful Lives | 25 years |
Definite: | $ 25,574 | 21,914
Less accumulated amortization | (3,243) |
Customer and dealer relationships |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Definite: | 31,356 | 28,822
Less accumulated amortization | (7,699) |
Patents and drawings |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Definite: | 1,982 | $ 1,954
Less accumulated amortization | $ (598) |
Minimum |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Estimated Useful Lives | 3 years |
Minimum | Customer and dealer relationships |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Estimated Useful Lives | 10 years |
Minimum | Patents and drawings |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Estimated Useful Lives | 3 years |
Maximum |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Estimated Useful Lives | 25 years |
Maximum | Customer and dealer relationships |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Estimated Useful Lives | 14 years |
Maximum | Patents and drawings |  |
Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Line Items] |  |
Estimated Useful Lives | 12 years |

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- Definition [Line Items] for Schedule of Acquired Indefinite-lived and Finite Intangible Assets by Major Class [Table] + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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