Goodwill and Intangible Assets (Schedule of Finite-Lived Intangible Assets Future Amortization Expense) (Details) - Motorcycles - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 400,000	$ 4,200,000	$ 6,974,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2019	372,000
2020	372,000
2021	372,000
2022	372,000
2023	372,000
Thereafter	4,138,000
Total other intangible assets	$ 5,998,000