Related Party Transactions	12 Months Ended
Dec. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions A former director of the Company was Chairman and Chief Executive Officer and an equity owner of Fred Deeley Imports Ltd. (Deeley Imports) when certain of its assets and liabilities were acquired by the Company in 2015. Deeley Imports was the exclusive distributor of the Company’s motorcycles in Canada until August 2015 when the Company completed its purchase of certain assets and liabilities from Deeley Imports including, among other things, the acquisition of the exclusive right to distribute the Company's motorcycles and other products in Canada. The Company recorded Motorcycles and Related Products revenue and Financial Services revenue from Deeley Imports during 2015 of $117.3 million prior to the acquisition. As a result of the acquisition, the Company no longer does business with Deeley Imports. Refer to Note 3 for further details. Upon the termination of the distribution agreement between the Company and Deeley Imports, the Company entered into dealer agreements with approximately 66 dealers in Canada, all of which had preexisting dealer agreements with Deeley Imports. These new Canadian dealer agreements included an agreement with Trev Deeley Motorcycles for the operation of a Harley-Davidson dealership located in Richmond, British Columbia. Trev Deeley Motorcycles is owned by the Darren James 2014 Trust, of which a former director of the Company is the sole trustee and his son is the beneficiary. The former director of the Company retired from the Board of Directors in April 2017 at which time he was no longer considered a related party. The Company recorded Motorcycles and Related Products revenue and Financial Services revenue from Trev Deeley Motorcycles during 2017 and 2016 of $5.8 million and $5.3 million, respectively, and had finance receivables balances due from Trev Deeley Motorcycles of $0.3 million and $0.5 million at December 31, 2017 and 2016, respectively.

Related Party Transactions

A former director of the Company was Chairman and Chief Executive Officer and an equity owner of Fred Deeley Imports Ltd. (Deeley Imports) when certain of its assets and liabilities were acquired by the Company in 2015. Deeley Imports was the exclusive distributor of the Company’s motorcycles in Canada until August 2015 when the Company completed its purchase of certain assets and liabilities from Deeley Imports including, among other things, the acquisition of the exclusive right to distribute the Company's motorcycles and other products in Canada. The Company recorded Motorcycles and Related Products revenue and Financial Services revenue from Deeley Imports during 2015 of $117.3 million prior to the acquisition. As a result of the acquisition, the Company no longer does business with Deeley Imports. Refer to Note 3 for further details.

Upon the termination of the distribution agreement between the Company and Deeley Imports, the Company entered into dealer agreements with approximately 66 dealers in Canada, all of which had preexisting dealer agreements with Deeley Imports. These new Canadian dealer agreements included an agreement with Trev Deeley Motorcycles for the operation of a Harley-Davidson dealership located in Richmond, British Columbia. Trev Deeley Motorcycles is owned by the Darren James 2014 Trust, of which a former director of the Company is the sole trustee and his son is the beneficiary. The former director of the Company retired from the Board of Directors in April 2017 at which time he was no longer considered a related party.

The Company recorded Motorcycles and Related Products revenue and Financial Services revenue from Trev Deeley Motorcycles during 2017 and 2016 of $5.8 million and $5.3 million, respectively, and had finance receivables balances due from Trev Deeley Motorcycles of $0.3 million and $0.5 million at December 31, 2017 and 2016, respectively.