Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Additional Information (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($) Rating	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net finance receivables included net deferred origination fees	$ 14,500		$ 16,000
Number of FICO band categories \| Rating	6
Accrued interest reversed as a reduction of interest and fee income	$ 4,700	$ 3,700
Allowance for credit losses	$ 183,800	$ 158,800	$ 178,800	$ 159,300

The number of FICO band categories the Company uses to assess FICO scores.

No definition available.

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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.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3D
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267969-210447

+ Details

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
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-Name Accounting Standards Codification
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-Section 50
-Paragraph 11B
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-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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-Name Accounting Standards Codification
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-Section 50
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-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533

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