Fair Value - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Assets:
Fair value of debt securities, AFS	$ 54,953	$ 78,286
Retained Notes
Assets:
Fair value of debt securities, AFS	47,180	68,130
Residual Interests
Assets:
Fair value of debt securities, AFS	7,773	10,156
Fair Value, Measurements, Recurring
Assets:
Cash equivalents	1,538,577	2,693,739	$ 1,270,875
Marketable securities	33,417	31,513	32,854
Derivative financial instruments	51,379	108,435	132,772
Assets, fair value	1,678,326	2,911,973	1,436,501
Liabilities:
Derivative financial instruments	941	6,494	16,029
LiveWire warrants	607	1,901	1,549
Liabilities, fair value disclosure	1,548	8,395	17,578
Fair Value, Measurements, Recurring \| Retained Notes
Assets:
Fair value of debt securities, AFS	47,180	68,130
Fair Value, Measurements, Recurring \| Residual Interests
Assets:
Fair value of debt securities, AFS	7,773	10,156
Fair Value, Measurements, Recurring \| Level 1
Assets:
Cash equivalents	1,269,966	2,553,850	1,036,092
Marketable securities	33,417	31,513	32,854
Derivative financial instruments	0	0	0
Assets, fair value	1,303,383	2,585,363	1,068,946
Liabilities:
Derivative financial instruments	0	0	0
LiveWire warrants	397	1,244	1,013
Liabilities, fair value disclosure	397	1,244	1,013
Fair Value, Measurements, Recurring \| Level 1 \| Retained Notes
Assets:
Fair value of debt securities, AFS	0	0
Fair Value, Measurements, Recurring \| Level 1 \| Residual Interests
Assets:
Fair value of debt securities, AFS	0	0
Fair Value, Measurements, Recurring \| Level 2
Assets:
Cash equivalents	268,611	139,889	234,783
Marketable securities	0	0	0
Derivative financial instruments	51,379	108,435	132,772
Assets, fair value	367,170	316,454	367,555
Liabilities:
Derivative financial instruments	941	6,494	16,029
LiveWire warrants	210	657	536
Liabilities, fair value disclosure	1,151	7,151	16,565
Fair Value, Measurements, Recurring \| Level 2 \| Retained Notes
Assets:
Fair value of debt securities, AFS	47,180	68,130
Fair Value, Measurements, Recurring \| Level 2 \| Residual Interests
Assets:
Fair value of debt securities, AFS	0	0
Fair Value, Measurements, Recurring \| Level 3
Assets:
Cash equivalents	0	0	0
Marketable securities	0	0	0
Derivative financial instruments	0	0	0
Assets, fair value	7,773	10,156	0
Liabilities:
Derivative financial instruments	0	0	0
LiveWire warrants	0	0	0
Liabilities, fair value disclosure	0	0	$ 0
Fair Value, Measurements, Recurring \| Level 3 \| Retained Notes
Assets:
Fair value of debt securities, AFS	0	0
Fair Value, Measurements, Recurring \| Level 3 \| Residual Interests
Assets:
Fair value of debt securities, AFS	$ 7,773	$ 10,156

Deferred Compensation Assets, Fair Value Disclosure

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Warrant, Liability

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- Definition

Fair value portion of asset recognized for present right to economic benefit.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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