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Loans to Bank Customers - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Non-Classified
Outstanding Loans [Line Items]
Total loans	$ 46,933	$ 39,214
Classified
Outstanding Loans [Line Items]
Total loans	2,570	2,703
Residential | Non-Classified
Outstanding Loans [Line Items]
Total loans	6,841	5,046
Residential | Classified
Outstanding Loans [Line Items]
Total loans	34	49
Commercial | Non-Classified
Outstanding Loans [Line Items]
Total loans	2,585	2,716
Commercial | Classified
Outstanding Loans [Line Items]
Total loans	0	0
Installment | Non-Classified
Outstanding Loans [Line Items]
Total loans	5,439	4,278
Installment | Classified
Outstanding Loans [Line Items]
Total loans	0	79
Consumer | Non-Classified
Outstanding Loans [Line Items]
Total loans	25,536	20,019
Consumer | Classified
Outstanding Loans [Line Items]
Total loans	0	0
Secured credit card | Non-Classified
Outstanding Loans [Line Items]
Total loans	6,532	7,155
Secured credit card | Classified
Outstanding Loans [Line Items]
Total loans	$ 2,536	$ 2,575

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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