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Loans - Narrative (Details) - Consumer - Unsecured consumer - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Short-term payment reduction | Short-term payment reduction modification |  |  |  |
Term Loans and Leases by Origination Year |  |  |  |
Financing receivable, modified, temporary payment reduction period |  |  | 3 months |
Financing receivable, modified, additional temporary payment reduction period |  |  | 3 months |
Short-term payment reduction | Short-term payment reduction modification | Minimum |  |  |  |
Term Loans and Leases by Origination Year |  |  |  |
Financing receivable, modified, term increase from modification |  |  | 4 months |
Short-term payment reduction | Short-term payment reduction modification | Maximum |  |  |  |
Term Loans and Leases by Origination Year |  |  |  |
Financing receivable, modified, term increase from modification |  |  | 9 months |
Short-term payment reduction, first three months after modification | Short-term payment reduction modification |  |  |  |
Term Loans and Leases by Origination Year |  |  |  |
Financing receivable, excluding accrued interest, modified, accumulated | $ 9.9 |  | $ 9.9 |
Extended maturity | Permanent loan modification |  |  |  |
Term Loans and Leases by Origination Year |  |  |  |
Financing receivable, modified, term increase from modification |  |  | 12 months |
Financing receivable, modified, weighted average term increase from modification | 12 months | 12 months | 12 months | 12 months
Contractual interest rate reduction | Permanent loan modification |  |  |  |
Term Loans and Leases by Origination Year |  |  |  |
Financing receivable, modified, weighted average interest rate decrease from modification | 8.80% | 8.00% | 8.80% | 8.10%

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