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Note 6 - Fair Values of Assets and Liabilities - Summary of Fair Value Hierarchy for Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Loans, interest and fees receivable, at fair value |  | $ 2,150,636 | $ 2,173,759
Fair Value, Recurring [Member] |  |  |
Loans at amortized cost for which it is practicable to estimate fair value and which are carried at net amortized cost | [1] | 100,144 | 98,425
Loans, interest and fees receivable, at fair value | [1] | 2,150,636 | 2,173,759
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Loans at amortized cost for which it is practicable to estimate fair value and which are carried at net amortized cost | [1] | 0 | 0
Loans, interest and fees receivable, at fair value | [1] | 0 | 0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |  |
Loans at amortized cost for which it is practicable to estimate fair value and which are carried at net amortized cost | [1] | 0 | 0
Loans, interest and fees receivable, at fair value | [1] | 0 | 0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Loans at amortized cost for which it is practicable to estimate fair value and which are carried at net amortized cost | [1] | 105,470 | 105,409
Loans, interest and fees receivable, at fair value | [1] | $ 2,150,636 | $ 2,173,759
[1] | For cash, deposits and investments in equity securities, the carrying amount is a reasonable estimate of fair value.

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- Definition This item represents a financial instrument (as defined) for which it is practicable to estimate fair value. This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents loan receivable as presented on the statement of financial position which may include mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts, or any other loans which are due the Company as of the balance sheet date. + References No definition available. + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 + Details
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