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Portfolio Loans - Schedule of loans modified under the CARES Act or Interagency Statement (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 contract | Sep. 30, 2021 contract | Sep. 30, 2022 USD ($) contract | Sep. 30, 2021 contract | Dec. 31, 2021 USD ($) contract
Total COVID-19 loans modifications |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Number of Contracts |  |  | 9 |  | 34
Recorded Investment | $ |  |  | $ 20,655 |  | $ 128,867
Commercial loans: |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Number of Contracts | 0 | 0 | 1 | 1 |
Commercial loans: | Interest-only deferrals |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Number of Contracts |  |  | 8 |  | 32
Recorded Investment | $ |  |  | $ 20,556 |  | $ 128,730
Retail loans: | Mortgage and personal loan deferrals |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |
Number of Contracts |  |  | 1 |  | 2
Recorded Investment | $ |  |  | $ 99 |  | $ 137

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