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v3.23.3

Note 2 - Investment Securities - Held to Maturity Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Securities held-to-maturity, carrying value | $ 445,205 | $ 473,217
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (47,787) | (41,384)
Securities held-to-maturity, fair value | 397,418 | 431,833
US Treasury Securities and US Government Agencies Debt Securities [Member] |  |
Securities held-to-maturity, carrying value | 204,139 | 217,794
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (7,645) | (9,166)
Securities held-to-maturity, fair value | 196,494 | 208,628
US Government-sponsored Enterprises Debt Securities [Member] |  |
Securities held-to-maturity, carrying value | 26,972 | 27,507
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (3,536) | (2,559)
Securities held-to-maturity, fair value | 23,436 | 24,948
Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Securities held-to-maturity, carrying value | 214,094 | 227,916
Securities held-to-maturity, gains | 0 | 0
Securities held-to-maturity, losses | (36,606) | (29,659)
Securities held-to-maturity, fair value | $ 177,488 | $ 198,257

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