Finance Receivables - Additional Information (Details) $ in Millions	3 Months Ended
Mar. 31, 2025 USD ($) portfolio	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable
Length of economic forecast	2 years
Length of mean reversion process	3 years
Number of portfolios \| portfolio	2
Retail
Accounts, Notes, Loans and Financing Receivable
Threshold period past due to be charged-off	120 days
Reversal of accrued interest against interest income	$ 9.4	$ 9.5
Wholesale
Accounts, Notes, Loans and Financing Receivable
Reversal of accrued interest against interest income	0.1	0.0
Increase (decrease) In accrued interest, write-off		0.0
Impaired financing receivable, related allowance, recorded investment	$ 0.6	$ 0.0	$ 0.5

Increase (Decrease) In Accrued Interest, Write-Off

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- Definition

Length Of Economic Forecast

+ References

No definition available.

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- Definition

Length Of Mean Reversion Process

+ References

No definition available.

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- Definition

Number Of Portfolios

+ References

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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/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amount of writeoff of accrued interest on financing receivable recognized by reversing interest income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3D
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3D

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- Definition

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

Threshold period for when financing receivable is considered past due to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 14
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-14

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