Fair Value - Schedule of Assets and Liabilities Measured at Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Assets:
Cash equivalents	$ 1,626,758	$ 1,275,561	$ 1,030,632
Marketable securities	30,496	32,070	36,484
Derivative financial instruments	7,692	19,839	9,316
Assets, fair value	1,664,946	1,327,470	1,076,432
Liabilities:
Derivative financial instruments	9,644	35,020	28,104
LiveWire warrants	644	1,549	7,561
Liabilities, fair value disclosure	10,288	36,569	35,665
Level 1
Assets:
Cash equivalents	1,377,048	1,000,933	816,000
Marketable securities	30,496	32,070	36,484
Derivative financial instruments	0	0	0
Assets, fair value	1,407,544	1,033,003	852,484
Liabilities:
Derivative financial instruments	0	0	0
LiveWire warrants	421	1,013	4,946
Liabilities, fair value disclosure	421	1,013	4,946
Level 2
Assets:
Cash equivalents	249,710	274,628	214,632
Marketable securities	0	0	0
Derivative financial instruments	7,692	19,839	9,316
Assets, fair value	257,402	294,467	223,948
Liabilities:
Derivative financial instruments	9,644	35,020	28,104
LiveWire warrants	223	536	2,615
Liabilities, fair value disclosure	$ 9,867	$ 35,556	$ 30,719