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Loans to Bank Customers - Schedule of Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Non-Classified
Outstanding Loans [Line Items]
Total loans	$ 59,013	$ 46,933
Classified
Outstanding Loans [Line Items]
Total loans	2,053	2,570
Residential | Non-Classified
Outstanding Loans [Line Items]
Total loans	7,369	6,841
Residential | Classified
Outstanding Loans [Line Items]
Total loans	31	34
Commercial | Non-Classified
Outstanding Loans [Line Items]
Total loans	2,571	2,585
Commercial | Classified
Outstanding Loans [Line Items]
Total loans	0	0
Installment | Non-Classified
Outstanding Loans [Line Items]
Total loans	6,247	5,439
Installment | Classified
Outstanding Loans [Line Items]
Total loans	0	0
Consumer | Non-Classified
Outstanding Loans [Line Items]
Total loans	36,777	25,536
Consumer | Classified
Outstanding Loans [Line Items]
Total loans	0	0
Secured credit card | Non-Classified
Outstanding Loans [Line Items]
Total loans	6,049	6,532
Secured credit card | Classified
Outstanding Loans [Line Items]
Total loans	$ 2,022	$ 2,536

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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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