Goodwill and Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Motorcycles
Finite-Lived Intangible Assets [Line Items]
Total other intangible assets	$ 5,998
Motorcycles | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	7,234	$ 7,860
Accumulated Amortization	(1,236)	(950)
Total other intangible assets	$ 5,998	$ 6,910
Estimated useful life (years)	20 years	20 years
Financial Services
Finite-Lived Intangible Assets [Line Items]
Total other intangible assets	$ 0	$ 0