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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 (Parenthetical) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]
Modified finance receivables charged off	$ 61,709	$ 49,193
Small Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Modified finance receivables charged off	25,868	17,188
Small Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Modified finance receivables charged off	400	300
Large Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Modified finance receivables charged off	35,755	31,711
Large Loans [Member] | Contractual Delinquencies of Loans that were Modified to Borrowers [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Modified finance receivables charged off	$ 1,800	$ 1,200

X

- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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