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Note 2 - INVESTMENT SECURITIES - Securities in a Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Securities HTM:
Securities HTM, Less than 12 Months, Fair Value	$ 102,117	$ 1,855
Securities HTM, Less than 12 Months, Gross Unrealized Losses	(3,263)	(26)
Securities HTM, 12 Months or More, Fair Value	267,615	289,891
Securities HTM, 12 Months or More, Gross Unrealized Losses	(45,742)	(36,628)
Securities HTM, Total, Fair Value	369,732	291,746
Securities HTM, Total, Gross Unrealized Losses	(49,005)	(36,654)
Securities AFS:
Securities AFS, Less than 12 Months, Fair Value	9,317	4,088
Securities AFS, Less than 12 Months, Gross Unrealized Losses	(333)	(395)
Securities AFS, 12 Months or More, Fair Value	266,238	282,087
Securities AFS, 12 Months or More, Gross Unrealized Losses	(51,922)	(47,784)
Securities AFS, Total, Fair Value	275,555	286,175
Securities AFS, Total, Gross Unrealized Losses	(52,255)	(48,179)
Municipal securities
Securities HTM:
Securities HTM, Less than 12 Months, Fair Value	101,617	1,320
Securities HTM, Less than 12 Months, Gross Unrealized Losses	(3,262)	(11)
Securities HTM, 12 Months or More, Fair Value	267,081	289,891
Securities HTM, 12 Months or More, Gross Unrealized Losses	(45,727)	(36,628)
Securities HTM, Total, Fair Value	368,698	291,211
Securities HTM, Total, Gross Unrealized Losses	(48,989)	(36,639)
Securities AFS:
Securities AFS, Less than 12 Months, Fair Value	809	283
Securities AFS, Less than 12 Months, Gross Unrealized Losses	(1)	(2)
Securities AFS, 12 Months or More, Fair Value	164,459	169,876
Securities AFS, 12 Months or More, Gross Unrealized Losses	(40,071)	(35,588)
Securities AFS, Total, Fair Value	165,268	170,159
Securities AFS, Total, Gross Unrealized Losses	(40,072)	(35,590)
U.S. treasuries and govt. sponsored agency securities
Securities AFS:
Securities AFS, Less than 12 Months, Fair Value	5,760
Securities AFS, Less than 12 Months, Gross Unrealized Losses	(4)
Securities AFS, 12 Months or More, Fair Value	13,507	14,018
Securities AFS, 12 Months or More, Gross Unrealized Losses	(2,623)	(2,438)
Securities AFS, Total, Fair Value	19,267	14,018
Securities AFS, Total, Gross Unrealized Losses	(2,627)	(2,438)
Residential mortgage-backed and related securities
Securities AFS:
Securities AFS, Less than 12 Months, Fair Value	74
Securities AFS, Less than 12 Months, Gross Unrealized Losses	(1)
Securities AFS, 12 Months or More, Fair Value	54,502	59,118
Securities AFS, 12 Months or More, Gross Unrealized Losses	(6,242)	(5,972)
Securities AFS, Total, Fair Value	54,576	59,118
Securities AFS, Total, Gross Unrealized Losses	(6,243)	(5,972)
Asset-backed securities
Securities AFS:
Securities AFS, 12 Months or More, Fair Value		3,804
Securities AFS, 12 Months or More, Gross Unrealized Losses		(5)
Securities AFS, Total, Fair Value		3,804
Securities AFS, Total, Gross Unrealized Losses		(5)
Other securities
Securities HTM:
Securities HTM, Less than 12 Months, Fair Value	500	535
Securities HTM, Less than 12 Months, Gross Unrealized Losses	(1)	(15)
Securities HTM, 12 Months or More, Fair Value	534
Securities HTM, 12 Months or More, Gross Unrealized Losses	(15)
Securities HTM, Total, Fair Value	1,034	535
Securities HTM, Total, Gross Unrealized Losses	(16)	(15)
Securities AFS:
Securities AFS, Less than 12 Months, Fair Value	2,674	3,805
Securities AFS, Less than 12 Months, Gross Unrealized Losses	(327)	(393)
Securities AFS, 12 Months or More, Fair Value	33,770	35,271
Securities AFS, 12 Months or More, Gross Unrealized Losses	(2,986)	(3,781)
Securities AFS, Total, Fair Value	36,444	39,076
Securities AFS, Total, Gross Unrealized Losses	$ (3,313)	$ (4,174)

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Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.

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