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Note 6 - Goodwill and Intangibles - Estimated Amortization Expense of Core Deposit Intangible (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net book value	$ 11,061	$ 13,821	$ 16,759
Core deposit intangibles
2025	2,644
2026	2,360
2027	1,874
2028	1,316
2029	944
Thereafter	1,923
Net book value	$ 11,061	$ 13,821	$ 16,759	$ 9,349