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Note 5 - Mortgage Loan Servicing - Mortgage Loans Serviced for Others (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Mortgage loans serviced for others | $ 1,550,830 | $ 1,404,388
Federal Home Loan Mortgage Corporation [Member] |  |
Mortgage loans serviced for others | 1,364,485 | 1,341,602
Federa lHome Loan Bank [Member] |  |
Mortgage loans serviced for others | 176,540 | 62,786
Other [Member] |  |
Mortgage loans serviced for others | $ 9,805 | $ 0

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- Definition Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4 + Details
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