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Other comprehensive income (loss) (Activity in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
BALANCE | $ 491,348 |
BALANCE | 505,828 |
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
BALANCE | (22,350) | $ (23,818)
Other comprehensive income (loss) | 3,681 | (2,304)
Net other comprehensive income (loss) during period | 3,681 | (2,304)
BALANCE | (18,669) | (26,122)
AOCI, Available-for-Sale Securities Transfer to Held-to-Maturity [Member] |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
BALANCE | (534) | (632)
Reclassification of amounts included in net income | 22 | 26
Net other comprehensive income (loss) during period | 22 | 26
BALANCE | (512) | (606)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
BALANCE | (621) | (1,060)
Other comprehensive income (loss) | 325 | 341
Reclassification of amounts included in net income | 112 | 28
Net other comprehensive income (loss) during period | 437 | 369
BALANCE | (184) | (691)
AOCI Attributable to Parent [Member] |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
BALANCE | (23,671) | (25,907)
Other comprehensive income (loss) | 3,891 | (1,651)
Reclassification of amounts included in net income | 133 | 133
Net other comprehensive income (loss) during period | 4,024 | (1,518)
BALANCE | (19,647) | (27,425)
AOCI, Derivative Qualifying as Hedge, Excluded Component, Parent [Member] |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |
BALANCE | (166) | (397)
Other comprehensive income (loss) | (115) | 312
Reclassification of amounts included in net income | (1) | 79
Net other comprehensive income (loss) during period | (116) | 391
BALANCE | $ (282) | $ (6)

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