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Note 5 - Core Deposits and Customer List Intangible Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Gross carrying amount | $ 32,047 | $ 32,047
Accumulated amortization | (20,686) | (19,887)
Intangible | 11,361 | 12,160
Core Deposits [Member] |  |
Gross carrying amount | 20,191 | 20,191
Accumulated amortization | (13,998) | (13,503)
Intangible | 6,193 | 6,688
Customer Lists [Member] |  |
Gross carrying amount | 11,856 | 11,856
Accumulated amortization | (6,688) | (6,384)
Intangible | $ 5,168 | $ 5,472

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