Fair Value - Schedule of Assets and Liabilities Measured at Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Assets:
Cash equivalents	$ 1,270,875	$ 1,275,561	$ 1,435,709
Marketable securities	32,854	32,070	34,392
Derivative financial instruments	132,772	19,839	9,076
Assets, fair value	1,436,501	1,327,470	1,479,177
Liabilities:
Derivative financial instruments	16,029	35,020	34,455
LiveWire warrants	1,549	1,549	5,769
Liabilities, fair value disclosure	17,578	36,569	40,224
Level 1
Assets:
Cash equivalents	1,036,092	1,000,933	1,296,000
Marketable securities	32,854	32,070	34,392
Derivative financial instruments	0	0	0
Assets, fair value	1,068,946	1,033,003	1,330,392
Liabilities:
Derivative financial instruments	0	0	0
LiveWire warrants	1,013	1,013	3,774
Liabilities, fair value disclosure	1,013	1,013	3,774
Level 2
Assets:
Cash equivalents	234,783	274,628	139,709
Marketable securities	0	0	0
Derivative financial instruments	132,772	19,839	9,076
Assets, fair value	367,555	294,467	148,785
Liabilities:
Derivative financial instruments	16,029	35,020	34,455
LiveWire warrants	536	536	1,995
Liabilities, fair value disclosure	$ 16,565	$ 35,556	$ 36,450