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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) - Contractual Delinquencies of Loans that were Modified to Borrowers [Member] - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | $ 30,455 | [1] | $ 25,576 | [2]
Large Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 23,821 | [1] | 20,112 | [2]
Small Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 6,634 | [1] | 5,464 | [2]
Financing Receivables, Current [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 23,029 |  | 19,958 |
Financing Receivables, Current [Member] | Large Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 18,379 |  | 16,029 |
Financing Receivables, Current [Member] | Small Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 4,650 |  | 3,929 |
Financing Receivables, 30 - 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 3,373 |  | 3,002 |
Financing Receivables, 30 - 89 Days Past Due [Member] | Large Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 2,506 |  | 2,251 |
Financing Receivables, 30 - 89 Days Past Due [Member] | Small Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 867 |  | 751 |
Financing Receivables, 90+ Days Past Due [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 4,053 |  | 2,616 |
Financing Receivables, 90+ Days Past Due [Member] | Large Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | 2,936 |  | 1,832 |
Financing Receivables, 90+ Days Past Due [Member] | Small Loans [Member] |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Contractual delinquencies of loans | $ 1,117 |  | $ 784 |
[1] | Excludes modified finance receivables that subsequently charged of f of $3.3 million and $1.0 million i n large and small loans, respectively
[2] | Excludes modified finance receivables that subsequently charge d off of $1.8 million and $0.4 million i n large and small loans, respectively.

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