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v3.23.1

Note 3 - Investment Securities - Held to Maturity Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Securities held-to-maturity, carrying value | $ 468,751 | $ 473,217
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (34,851) | (41,384)
Debt Securities, Held-to-Maturity, Fair Value, Total | 433,900 | 431,833
US Treasury Securities and US Government Agencies Debt Securities [Member] |  |
Securities held-to-maturity, carrying value | 217,906 | 217,794
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (7,065) | (9,166)
Debt Securities, Held-to-Maturity, Fair Value, Total | 210,841 | 208,628
US Government-sponsored Enterprises Debt Securities [Member] |  |
Securities held-to-maturity, carrying value | 27,229 | 27,507
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (1,884) | (2,559)
Debt Securities, Held-to-Maturity, Fair Value, Total | 25,345 | 24,948
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Securities held-to-maturity, carrying value | 223,616 | 227,916
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (25,902) | (29,659)
Debt Securities, Held-to-Maturity, Fair Value, Total | $ 197,714 | $ 198,257

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