Supplemental Consolidating Data - Schedule of Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Condensed Statement of Income Captions [Line Items]
Net income	$ 130,797	$ 232,233
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	7,365	(31,294)
Derivative financial instruments	(12,065)	4,521
Pension and postretirement benefit plans	(777)	(823)
Other comprehensive income (loss)	(5,477)	(27,596)
Comprehensive income	125,320	204,637
Less: Comprehensive loss attributable to noncontrolling interests	2,307	2,708
Comprehensive income attributable to Harley-Davidson, Inc.	127,627	207,345
Reportable Legal Entities | Non-Financial Services Entities
Condensed Statement of Income Captions [Line Items]
Net income	82,539	192,363
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	6,201	(28,385)
Derivative financial instruments	(9,050)	9,582
Pension and postretirement benefit plans	(777)	(823)
Other comprehensive income (loss)	(3,626)	(19,626)
Comprehensive income	78,913	172,737
Less: Comprehensive loss attributable to noncontrolling interests	2,307	2,708
Comprehensive income attributable to Harley-Davidson, Inc.	81,220	175,445
Reportable Legal Entities | Financial Services Entities
Condensed Statement of Income Captions [Line Items]
Net income	48,051	39,763
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	1,164	(2,909)
Derivative financial instruments	(3,015)	(5,061)
Pension and postretirement benefit plans	0	0
Other comprehensive income (loss)	(1,851)	(7,970)
Comprehensive income	46,200	31,793
Less: Comprehensive loss attributable to noncontrolling interests	0	0
Comprehensive income attributable to Harley-Davidson, Inc.	46,200	31,793
Consolidating Adjustments
Condensed Statement of Income Captions [Line Items]
Net income	207	107
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	0	0
Derivative financial instruments	0	0
Pension and postretirement benefit plans	0	0
Other comprehensive income (loss)	0	0
Comprehensive income	207	107
Less: Comprehensive loss attributable to noncontrolling interests	0	0
Comprehensive income attributable to Harley-Davidson, Inc.	$ 207	$ 107