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Finance Receivables - Additional Information (Detail) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrual period for financing receivables |  | 60 days |
Aggregate unpaid principal balance |  | $ 415,933 | $ 402,180
Fair value of receivables | [1] | 466,465 | 457,296
Finance receivables at amortized cost in non-accrual status |  | $ 38 | $ 100
Recency delinquency |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrual period for financing receivables |  | 60 days |
Contractual delinquency |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Accrual period for financing receivables |  | 90 days | 90 days
90+ days |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Aggregate unpaid principal balance |  | $ 15,900 | $ 17,600
Fair value of receivables |  | $ 2,500 | $ 2,700
[1] | (1) Includes amounts in consolidated variable interest entities ("VIEs") presented separately in the table below.

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- Definition Financing Receivable, After Allowance for Credit Loss, Before Fair Value Option Adjustment + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Finance receivables at fair value. + References No definition available. + Details
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- Definition Financing Receivable, Nonaccrual, Threshold Delinquency Period + References No definition available. + Details
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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 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + Details
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- Definition Amortized cost of financing receivable on nonaccrual status. 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 (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (2) -Publisher SEC Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7 + Details
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- Details
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- Details
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- Details
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