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Finance Receivables, Credit Quality Information, and Allowance for Credit Losses - Summary of Finance Receivables (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 2,104,001	$ 2,140,199	$ 1,890,351
Large Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,591,528	1,593,171	1,345,825
Small Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 512,473	$ 547,028	$ 544,526

X

- 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.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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