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Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Summary of Amortized Cost Basis for Modifications Made to Borrowers Experiencing Financial Difficulty Subsequently Defaulted (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financial receivable subsequent default	$ 54
Small Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financial receivable subsequent default	33
Large Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financial receivable subsequent default	21
Deferrals [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financial receivable subsequent default	54
Deferrals [Member] | Small Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financial receivable subsequent default	33
Deferrals [Member] | Large Loans [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financial receivable subsequent default	$ 21

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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

No definition available.

+ Details

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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- Details

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