Employee Benefit Plans and Other Postretirement Benefits - Schedule Of Fair Value Of Pension Plan and Postretirement Healthcare Plan Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Pension Plan Assets
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	$ 2,486,467	$ 2,433,975
Pension Plan Assets | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	2,478,153	2,422,537
Pension Plan Assets | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	1,487,413	1,415,283
Pension Plan Assets | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	990,740	1,007,254
Pension Plan Assets | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	8,314	11,438
Pension Plan Assets | Cash and cash equivalents | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	55,192	56,153
Pension Plan Assets | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Pension Plan Assets | Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	55,192	56,153
Pension Plan Assets | Equity holdings | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	1,367,317	1,327,585
Pension Plan Assets | Equity holdings | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	1,355,961	1,304,711
Pension Plan Assets | Equity holdings | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	11,356	22,874
Pension Plan Assets | U.S. companies | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	949,787	785,227
Pension Plan Assets | U.S. companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	942,297	769,583
Pension Plan Assets | U.S. companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	7,490	15,644
Pension Plan Assets | Foreign companies | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	67,111	114,013
Pension Plan Assets | Foreign companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	63,245	106,783
Pension Plan Assets | Foreign companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	3,866	7,230
Pension Plan Assets | Harley-Davidson common stock | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets		46,741
Pension Plan Assets | Harley-Davidson common stock | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets		46,741
Pension Plan Assets | Harley-Davidson common stock | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets		0
Pension Plan Assets | Pooled equity funds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	350,356	381,538
Pension Plan Assets | Pooled equity funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	350,356	381,538
Pension Plan Assets | Pooled equity funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Pension Plan Assets | Other | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	63	66
Pension Plan Assets | Other | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	63	66
Pension Plan Assets | Other | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Pension Plan Assets | Fixed-income holdings | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	1,055,644	1,038,799
Pension Plan Assets | Fixed-income holdings | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	131,452	110,572
Pension Plan Assets | Fixed-income holdings | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	924,192	928,227
Pension Plan Assets | U.S. Treasuries | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	76,943	59,116
Pension Plan Assets | U.S. Treasuries | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	76,943	59,116
Pension Plan Assets | U.S. Treasuries | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Pension Plan Assets | Federal agencies | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	14,680	15,230
Pension Plan Assets | Federal agencies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Pension Plan Assets | Federal agencies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	14,680	15,230
Pension Plan Assets | Corporate bonds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	690,319	691,003
Pension Plan Assets | Corporate bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Pension Plan Assets | Corporate bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	690,319	691,003
Pension Plan Assets | Pooled fixed income funds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	148,860	148,717
Pension Plan Assets | Pooled fixed income funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	54,302	51,456
Pension Plan Assets | Pooled fixed income funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	94,558	97,261
Pension Plan Assets | Foreign bonds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	112,293	110,062
Pension Plan Assets | Foreign bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	207	0
Pension Plan Assets | Foreign bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	112,086	110,062
Pension Plan Assets | Municipal bonds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	12,549	14,671
Pension Plan Assets | Municipal bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Pension Plan Assets | Municipal bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	12,549	14,671
Pension Plan Assets | Private equity investments | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	509	537
Pension Plan Assets | Real estate investments | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	7,805	10,901
Postretirement Health Coverage
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	262,945	244,035	$ 220,992
Postretirement Health Coverage | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	242,999	238,180
Postretirement Health Coverage | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	234,249	213,016
Postretirement Health Coverage | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	8,750	25,164
Postretirement Health Coverage | Cash and cash equivalents | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	6,081	4,306
Postretirement Health Coverage | Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Postretirement Health Coverage | Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	6,081	4,306
Postretirement Health Coverage | Equity holdings | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	188,182	172,154
Postretirement Health Coverage | Equity holdings | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	188,149	172,154
Postretirement Health Coverage | Equity holdings | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	33	0
Postretirement Health Coverage | U.S. companies | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	132,812	115,272
Postretirement Health Coverage | U.S. companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	132,790	115,272
Postretirement Health Coverage | U.S. companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	22	0
Postretirement Health Coverage | Foreign companies | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	25,062	29,670
Postretirement Health Coverage | Foreign companies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	25,051	29,670
Postretirement Health Coverage | Foreign companies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	11	0
Postretirement Health Coverage | Pooled equity funds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	30,302	27,207
Postretirement Health Coverage | Pooled equity funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	30,302	27,207
Postretirement Health Coverage | Pooled equity funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Postretirement Health Coverage | Other | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	6	5
Postretirement Health Coverage | Other | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	6	5
Postretirement Health Coverage | Other | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Postretirement Health Coverage | Fixed-income holdings | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	48,736	61,720
Postretirement Health Coverage | Fixed-income holdings | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	46,100	40,862
Postretirement Health Coverage | Fixed-income holdings | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	2,636	20,858
Postretirement Health Coverage | U.S. Treasuries | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	221	2,873
Postretirement Health Coverage | U.S. Treasuries | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	221	2,873
Postretirement Health Coverage | U.S. Treasuries | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Postretirement Health Coverage | Federal agencies | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	42	6,970
Postretirement Health Coverage | Federal agencies | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Postretirement Health Coverage | Federal agencies | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	42	6,970
Postretirement Health Coverage | Corporate bonds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	1,967	12,460
Postretirement Health Coverage | Corporate bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Postretirement Health Coverage | Corporate bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	1,967	12,460
Postretirement Health Coverage | Pooled fixed income funds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	46,150	37,989
Postretirement Health Coverage | Pooled fixed income funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	45,878	37,989
Postretirement Health Coverage | Pooled fixed income funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	272	0
Postretirement Health Coverage | Foreign bonds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	320	970
Postretirement Health Coverage | Foreign bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	1	0
Postretirement Health Coverage | Foreign bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	319	970
Postretirement Health Coverage | Municipal bonds | Fair Value, Inputs, Level 1 and 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	36	458
Postretirement Health Coverage | Municipal bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	0	0
Postretirement Health Coverage | Municipal bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	36	458
Postretirement Health Coverage | Private equity investments | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	15,593
Postretirement Health Coverage | Real estate investments | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Total benefit plan assets	$ 4,353	$ 5,855