NOTE 2 - INVESTMENT SECURITIES - Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Securities HTM:
Securities HTM, Amortized Cost, Due in one year or less	$ 976
Securities HTM, Fair Value, Due in one year or less	969
Securities HTM, Amortized Cost, Due after one year through five years	41,183
Securities HTM, Fair Value, Due after one year through five years	40,679
Securities HTM, Amortized Cost, Due after five years	987,720
Securities HTM, Fair Value, Due after five years	878,053
Securities HTM, Amortized Cost	1,029,879	$ 948,958
Securities HTM, Fair Value	919,701	920,642
Securities AFS:
Securities AFS, Amortized Cost, Due in one year or less	17
Securities AFS, Fair Value, Due in one year or less	17
Securities AFS, Amortized Cost, Due after one year through five years	22,113
Securities AFS, Fair Value, Due after one year through five years	20,696
Securities AFS, Amortized Cost, Due after five years	214,739
Securities AFS, Fair Value, Due after five years	155,445
Securities AFS, Amortized Cost, Maturity Total	236,869
Securities AFS, Fair Value, Maturity Total	176,158
Securities AFS, Amortized Cost	357,936	326,752
Securities AFS, Fair Value	285,942	279,777
Callable Securities
Securities HTM:
Securities HTM, Amortized Cost, Callable of call options	206,446
Securities HTM, Fair Value, Callable of call options	191,497
Securities AFS:
Securities AFS, Amortized Cost	219,716
Securities AFS, Fair Value	161,202
Residential mortgage-backed and related securities
Securities AFS:
Securities AFS, Amortized Cost	117,477	72,951
Securities AFS, Fair Value	106,133	68,855
Securities AFS, Amortized Cost, Without Single Maturity	117,477
Securities AFS, Fair Value, Without Single Maturity	106,133
Asset-backed securities
Securities AFS:
Securities AFS, Amortized Cost	3,590	4,345
Securities AFS, Fair Value	3,651	4,439
Securities AFS, Amortized Cost, Without Single Maturity	3,590
Securities AFS, Fair Value, Without Single Maturity	3,651
Municipal securities
Securities HTM:
Securities HTM, Amortized Cost	998,172	918,189
Securities HTM, Fair Value	888,112	887,224
Securities AFS:
Securities AFS, Amortized Cost	204,365	203,613
Securities AFS, Fair Value	146,202	163,085
Municipal securities | Callable Securities
Securities HTM:
Securities HTM, Amortized Cost, Callable of call options	175,789
Securities HTM, Fair Value, Callable of call options	160,951
Securities AFS:
Securities AFS, Amortized Cost, Without Single Maturity	204,223
Securities AFS, Fair Value, Without Single Maturity	146,073
Corporate securities
Securities HTM:
Securities HTM, Amortized Cost	30,657	29,719
Securities HTM, Fair Value	30,547	32,370
Securities AFS:
Securities AFS, Amortized Cost	16,961	28,068
Securities AFS, Fair Value	16,600	$ 27,374
Corporate securities | Callable Securities
Securities HTM:
Securities HTM, Amortized Cost, Callable of call options	30,657
Securities HTM, Fair Value, Callable of call options	30,546
Securities AFS:
Securities AFS, Amortized Cost, Without Single Maturity	15,493
Securities AFS, Fair Value, Without Single Maturity	$ 15,129