Reportable Segments - Schedule of Information by Industry Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Segment Reporting Information
Assets:	$ 10,566,384	$ 13,026,659	$ 10,566,384	$ 13,026,659	$ 11,881,579
Depreciation and Amortization:	44,210	39,192	126,339	119,568
Capital expenditures:			102,090	140,424
HDMC
Segment Reporting Information
Assets:	3,545,022	3,654,334	3,545,022	3,654,334	3,630,710
Depreciation and Amortization:	39,472	34,142	111,151	104,868
Capital expenditures:			98,894	132,634
LiveWire
Segment Reporting Information
Assets:	89,220	178,298	89,220	178,298	147,960
Depreciation and Amortization:	2,354	2,695	8,027	7,737
Capital expenditures:			2,778	6,661
HDFS
Segment Reporting Information
Assets:	6,932,142	9,194,027	6,932,142	9,194,027	$ 8,102,909
Depreciation and Amortization:	$ 2,384	$ 2,355	7,161	6,963
Capital expenditures:			$ 418	$ 1,129