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Note 2 - Significant Accounting Policies and Consolidated Financial Statement Components - Summary of Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($)
Financing Receivable, Modified, Accumulated |  | $ 138,400 |
Private Label Credit [Member] |  |  |
Number of TDRs |  |  | 24,594
Financing Receivable, Modified, Accumulated |  |  | $ 31,350
Carrying value of TDRs (in thousands) |  |  | 18,827
Number of accounts |  | 5,738 |
Loan balance at time of charge off (in thousands) |  | $ 9,043 |
Private Label Credit [Member] | Performing Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] |  | 15,001
Private Label Credit [Member] | Nonperforming Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] |  | $ 3,826
Private Label Credit [Member] | Extended Maturity [Member] |  |  |
Number of TDRs |  |  | 2,499
Financing Receivable, Modified, Accumulated |  |  | $ 4,606
General Purpose Credit Card [Member] |  |  |
Number of TDRs |  |  | 171,729
Financing Receivable, Modified, Accumulated |  |  | $ 119,785
Carrying value of TDRs (in thousands) |  |  | 70,519
Number of accounts |  | 20,656 |
Loan balance at time of charge off (in thousands) |  | $ 16,490 |
General Purpose Credit Card [Member] | Performing Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] |  | 59,735
General Purpose Credit Card [Member] | Nonperforming Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] |  | $ 10,784
General Purpose Credit Card [Member] | Extended Maturity [Member] |  |  |
Number of TDRs |  |  | 28,598
Financing Receivable, Modified, Accumulated |  |  | $ 24,440
[1] | TDRs - Performing” include accounts that are current on all amounts owed, while “TDRs - Nonperforming” include all accounts with past due amounts owed

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