Supplemental Consolidating Data - Schedule of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenue:
Motorcycles and related products	$ 1,084,248	$ 1,480,810
Financial services	244,961	248,797
Total revenue	1,329,209	1,729,607
Costs and expenses:
Motorcycles and related products cost of goods sold	770,785	1,023,681
Financial services interest expense	88,934	88,739
Financial services provision for credit losses	53,334	61,010
Selling, administrative and engineering expense	255,657	293,098
Total costs and expenses	1,168,710	1,466,528
Operating income	160,499	263,079
Other income, net	16,273	20,564
Investment income	8,941	14,404
Interest expense	7,686	7,679
Income before income taxes	178,027	290,368
Income tax provision	47,230	58,135
Net income	130,797	232,233
Less: (income) loss attributable to noncontrolling interests	2,307	2,708
Net income attributable to Harley-Davidson, Inc.	133,104	234,941
Reportable Legal Entities | Non-Financial Services Entities
Revenue:
Motorcycles and related products	1,086,512	1,482,759
Financial services	0	0
Total revenue	1,086,512	1,482,759
Costs and expenses:
Motorcycles and related products cost of goods sold	770,785	1,023,681
Financial services interest expense	0	0
Financial services provision for credit losses	0	0
Selling, administrative and engineering expense	217,948	248,474
Total costs and expenses	988,733	1,272,155
Operating income	97,779	210,604
Other income, net	16,273	20,564
Investment income	8,941	14,404
Interest expense	7,686	7,679
Income before income taxes	115,307	237,893
Income tax provision	32,768	45,530
Net income	82,539	192,363
Less: (income) loss attributable to noncontrolling interests	2,307	2,708
Net income attributable to Harley-Davidson, Inc.	84,846	195,071
Reportable Legal Entities | Financial Services Entities
Revenue:
Motorcycles and related products	0	0
Financial services	245,717	249,239
Total revenue	245,717	249,239
Costs and expenses:
Motorcycles and related products cost of goods sold	0	0
Financial services interest expense	88,934	88,739
Financial services provision for credit losses	53,334	61,010
Selling, administrative and engineering expense	40,936	47,122
Total costs and expenses	183,204	196,871
Operating income	62,513	52,368
Other income, net	0	0
Investment income	0	0
Interest expense	0	0
Income before income taxes	62,513	52,368
Income tax provision	14,462	12,605
Net income	48,051	39,763
Less: (income) loss attributable to noncontrolling interests	0	0
Net income attributable to Harley-Davidson, Inc.	48,051	39,763
Consolidating Adjustments
Revenue:
Motorcycles and related products	(2,264)	(1,949)
Financial services	(756)	(442)
Total revenue	(3,020)	(2,391)
Costs and expenses:
Motorcycles and related products cost of goods sold	0	0
Financial services interest expense	0	0
Financial services provision for credit losses	0	0
Selling, administrative and engineering expense	(3,227)	(2,498)
Total costs and expenses	(3,227)	(2,498)
Operating income	207	107
Other income, net	0	0
Investment income	0	0
Interest expense	0	0
Income before income taxes	207	107
Income tax provision	0	0
Net income	207	107
Less: (income) loss attributable to noncontrolling interests	0	0
Net income attributable to Harley-Davidson, Inc.	$ 207	$ 107