Reportable Segments - Schedule of Information by Industry Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Segment Reporting Information
Assets:	$ 12,050,445	$ 12,760,242	$ 12,050,445	$ 12,760,242	$ 11,881,579
Depreciation and Amortization:	40,425	38,872	82,129	80,376
Capital expenditures:			65,560	87,835
HDMC
Segment Reporting Information
Assets:	3,616,903	3,634,831	3,616,903	3,634,831	3,630,710
Depreciation and Amortization:	35,420	33,764	71,679	70,726
Capital expenditures:			63,287	81,970
LiveWire
Segment Reporting Information
Assets:	109,770	204,916	109,770	204,916	147,960
Depreciation and Amortization:	2,588	2,716	5,673	5,042
Capital expenditures:			2,043	5,080
HDFS
Segment Reporting Information
Assets:	8,323,772	8,920,495	8,323,772	8,920,495	$ 8,102,909
Depreciation and Amortization:	$ 2,417	$ 2,392	4,777	4,608
Capital expenditures:			$ 230	$ 785