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Other comprehensive income (loss) (Activity in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
BALANCE | $ 459,886 |  |
BALANCE | 491,348 | $ 459,886 |
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
BALANCE | (23,818) | (33,616) | $ 25
Other comprehensive income (loss) | 1,515 | 4,754 | (34,231)
Reclassification of amounts included in net income | (47) | 5,044 | 590
Net other comprehensive income (loss) during period | 1,468 | 9,798 | (33,641)
BALANCE | (22,350) | (23,818) | (33,616)
AOCI, Available-for-Sale Securities Transfer to Held-to-Maturity [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
BALANCE | (632) | (742) | 665
Other comprehensive income (loss) |  |  | (1,490)
Reclassification of amounts included in net income | 98 | 110 | 83
Net other comprehensive income (loss) during period | 98 | 110 | (1,407)
BALANCE | (534) | (632) | (742)
AOCI, Fair Value Municipal Security Hedges [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
BALANCE | (397) |  | 753
Other comprehensive income (loss) | 528 | (397) | (56)
Reclassification of amounts included in net income | (297) |  | (697)
Net other comprehensive income (loss) during period | 231 | (397) | (753)
BALANCE | (166) | (397) |
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
BALANCE | (1,060) | (966) |
Other comprehensive income (loss) | 438 | (145) | (966)
Reclassification of amounts included in net income | 1 | 51 |
Net other comprehensive income (loss) during period | 439 | (94) | (966)
BALANCE | (621) | (1,060) | (966)
AOCI Attributable to Parent [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
BALANCE | (25,907) | (35,324) | 1,443
Other comprehensive income (loss) | 2,481 | 4,212 | (36,743)
Reclassification of amounts included in net income | (245) | 5,205 | (24)
Net other comprehensive income (loss) during period | 2,236 | 9,417 | (36,767)
BALANCE | $ (23,671) | $ (25,907) | $ (35,324)

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