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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
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Amount of TDRs on non-accrual status (in thousands) |  | $ 70,000 | $ 70,300
Point-of-Sale [Member] |  |  |
Number of TDRs |  | 14,919 | 12,394
Amount of TDRs on non-accrual status (in thousands) |  | $ 17,152 | $ 14,537
Carrying value of TDRs (in thousands) |  | $ 11,173 | $ 9,583
Number of accounts |  | 3,119 | 3,065
Loan balance at time of charge off (in thousands) |  | $ 4,642 | $ 4,352
Point-of-Sale [Member] | Performing Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] | 8,797 | 7,420
Point-of-Sale [Member] | Nonperforming Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] | $ 2,376 | $ 2,163
Point-of-Sale [Member] | Extended Maturity [Member] |  |  |
Number of TDRs |  | 812 | 2,788
Amount of TDRs on non-accrual status (in thousands) |  | $ 1,205 | $ 4,662
Direct-to-Consumer [Member] |  |  |
Number of TDRs |  | 39,322 | 37,784
Amount of TDRs on non-accrual status (in thousands) |  | $ 25,154 | $ 26,989
Carrying value of TDRs (in thousands) |  | $ 15,502 | $ 14,287
Number of accounts |  | 7,765 | 7,665
Loan balance at time of charge off (in thousands) |  | $ 6,455 | $ 6,745
Direct-to-Consumer [Member] | Performing Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] | 13,387 | 11,855
Direct-to-Consumer [Member] | Nonperforming Financial Instruments [Member] |  |  |
Carrying value of TDRs (in thousands) | [1] | $ 2,115 | $ 2,432
Direct-to-Consumer [Member] | Extended Maturity [Member] |  |  |
Number of TDRs |  | 2,035 | 7,846
Amount of TDRs on non-accrual status (in thousands) |  | $ 1,553 | $ 6,890
[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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