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Note 2 - Significant Accounting Policies and Consolidated Financial Statement Components - Summary of Allowance for Uncollectible Loans and Fees Receivable (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Balance at beginning of period | $ (2,400) | $ (1,700) | $ (1,800) | $ (1,600) |
Provision for credit losses | (4,633) | (538) | (9,323) | (1,551) |
Charge-offs | 3,100 | 900 | 8,400 | 2,800 |
Recoveries | (700) | (500) | (1,900) | (1,400) |
Balance at end of period | (4,600) | $ (1,800) | (4,600) | $ (1,800) |
Balance at end of period individually evaluated for impairment | (600) |  | (600) |  | $ 0
Balance at end of period collectively evaluated for impairment | (4,000) |  | (4,000) |  | (1,800)
Loans at amortized cost individually evaluated for impairment | 3,400 |  | 3,400 |  | 0
Loans at amortized cost collectively evaluated for impairment | 107,200 |  | 107,200 |  | 118,000
Loans at Amortized Cost [Member] |  |  |  |  |
Loans at amortized cost | $ 110,600 |  | $ 110,600 |  | $ 118,000

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