Additional Balance Sheet and Cash Flow Information - Additional Information (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025 USD ($) counterparty	Sep. 30, 2025 USD ($) counterparty	Sep. 30, 2024 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Proceeds from sale of securitization beneficial interests, net		$ 125,369	$ 0
Harley-Davidson Financial Services
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of counterparties \| counterparty	2	2
Harley-Davidson Financial Services \| Retail
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of counterparties \| counterparty	2	2
Sales of retail finance receivables, transferred to special purpose entities, percent of residual interest	95.00%	95.00%
Proceeds from sale of securitization beneficial interests, net	$ 234,617	$ 234,617
Restricted cash divested from deconsolidation	109,200	109,200
Proceeds from sale of securitization beneficial interests, net	125,400
Gain (loss) on sale of financing receivable	27,000
Harley-Davidson Financial Services \| Retail \| Finance Receivables, Held-for-Investment
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Financing receivable, deconsolidated	1,870,000	1,870,000
Harley-Davidson Financial Services \| Retail \| Asset-backed Securitization Debt
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Financing receivable, deconsolidated	$ 1,670,000	$ 1,670,000

Financing Receivable, Excluding Accrued Interest, Deconsolidated

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- Definition

Financing Receivable, Transaction, Number Of Counterparties

+ References

No definition available.

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- Definition

Financing Receivable, Transferred To Special Purpose Entities Sold, Percent Of Residual Interest

+ References

No definition available.

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- Definition

Proceeds From Sale Of Finance Receivables, Net

+ References

No definition available.

+ Details

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- Definition

Reduction in cash due to no longer including the former subsidiary's cash in the consolidated entity's cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

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- Definition

Amount of gain (loss) on sale of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-5

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- Definition

The cash inflow associated with the sale of receivables arising from the financing of goods and services.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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