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Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Summary of Finance Receivables (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 1,890,351	$ 1,892,535	$ 1,744,286
Large Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,345,825	1,336,780	1,250,647
Small Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	543,824	554,686	490,830
Retail Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 702	$ 1,069	$ 2,809

X

- Definition

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