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Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Summary of Contractual Delinquencies of Loans that were Modified to Borrowers Experiencing Financial Difficulty (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | $ 71,631 | $ 60,061
Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 10,403 |
Small Loans [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 27,983 | 20,810
Small Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 2,669 |
Large Loans [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 43,045 | $ 39,039
Large Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 7,734 |
Financial Asset, Not Past Due [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 9,678 |
Financial Asset, Not Past Due [Member] | Small Loans [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 2,354 |
Financial Asset, Not Past Due [Member] | Large Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 7,324 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 51 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Small Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 34 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Large Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 17 |
Financing Receivables, 30 - 89 Days Past Due [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 674 |
Financing Receivables, 30 - 89 Days Past Due [Member] | Small Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | 281 |
Financing Receivables, 30 - 89 Days Past Due [Member] | Large Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member] |  |
Financing Receivable Recorded Investment [Line Items] |  |
Contractual delinquencies of loans | $ 393 |

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