Capital Stock and Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net income attributable to Harley-Davidson, Inc.	$ 706,586	$ 741,408	$ 650,024
Weighted Average Number of Shares Outstanding Reconciliation
Basic weighted-average shares outstanding (in shares)	142,378	148,012	153,747
Effect of dilutive securities – employee stock compensation plan (in shares)	2,725	1,339	1,233
Diluted weighted-average shares outstanding (in shares)	145,103	149,351	154,980
Basic (in dollars per share)	$ 4.96	$ 5.01	$ 4.23
Diluted (in dollars per share)	$ 4.87	$ 4.96	$ 4.19