Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Goodwill [Roll Forward]
Balance, beginning of period	$ 55,947
Balance, end of period	55,048	$ 55,947
Motorcycles
Goodwill [Roll Forward]
Balance, beginning of period	55,947	53,391	$ 54,182
Currency translation	(899)	2,556	(791)
Balance, end of period	55,048	55,947	$ 53,391
Financial Services
Goodwill [Roll Forward]
Balance, beginning of period	0
Balance, end of period	$ 0	$ 0