Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - Motorcycles - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 20,221	$ 19,730
Accumulated Amortization	(9,674)	(2,776)
Total other intangible assets	10,547	16,954
Distribution Rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,928	12,614
Accumulated Amortization	(9,157)	(2,628)
Total other intangible assets	$ 3,771	$ 9,986
Estimated useful life (years)	2 years	2 years
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 7,293	$ 7,116
Accumulated Amortization	(517)	(148)
Total other intangible assets	$ 6,776	$ 6,968
Estimated useful life (years)	20 years	20 years