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Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Net unrealized gains (losses), before tax | $ 7,402 |  |  | $ (4,523) |  |  | $ 7,086 | $ (5,957)
Income tax (credit)/expense related to other comprehensive income | (1,955) |  |  | 1,060 |  |  | (1,872) | 1,410
Other comprehensive income/(loss), net of tax | 5,447 | $ (1,338) | $ 1,105 | (3,463) | $ (1,153) | $ 69 | 5,214 | (4,547)
Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |
Unrealized net gains (losses), net of tax | 5,174 | (1,595) | 846 | (3,748) | (1,435) | (210) |  |
Recognized gains (losses), net of tax | (273) | (257) | (259) | (285) | (282) | (279) |  |
Other comprehensive income/(loss), net of tax | 5,447 | (1,338) | 1,105 | (3,463) | (1,153) | 69 |  |
Investment securities- with OTTI [Member] |  |  |  |  |  |  |  |
Unrealized holding (losses)/gains on investments | 740 |  |  | 633 |  |  | 103 | (777)
Recognized gains (losses), before tax | 51 |  |  | 51 |  |  | 152 | 152
Net unrealized gains (losses), before tax | 689 |  |  | 582 |  |  | (49) | (929)
Unrealized tax (expense) benefit |  |  |  | (158) |  |  | (24) | 183
Income tax (credit)/expense related to other comprehensive income | (183) |  |  | (145) |  |  | 13 | 220
Unrealized net gains (losses), net of tax | 544 | (620) | 155 | 475 | 111 | (1,180) | 79 | (594)
Recognized gains (losses), net of tax | 38 | 40 | 37 | 38 | 40 | 37 |  |
Other comprehensive income/(loss), net of tax | 506 |  |  | 437 |  |  | (36) | (709)
Investment securities- with OTTI [Member] | Accretable Yield in Income [Member] |  |  |  |  |  |  |  |
Unrealized holding (losses)/gains on investments | 740 |  |  |  |  |  |  |
Recognized gains (losses), before tax | 51 |  |  | 51 |  |  | 152 |
Unrealized tax (expense) benefit | (196) |  |  |  |  |  |  |
Recognized tax (expense) benefit | (13) |  |  | (13) |  |  | (37) |
Unrealized net gains (losses), net of tax | 544 |  |  |  |  |  |  |
Recognized gains (losses), net of tax | 38 |  |  | 38 |  |  | 115 |
Investment securities- with OTTI [Member] | Amortization of Recognized Income [Member] |  |  |  |  |  |  |  |
Recognized gains (losses), before tax |  |  |  |  |  |  |  | 152
Recognized tax (expense) benefit |  |  |  |  |  |  |  | (37)
Recognized gains (losses), net of tax |  |  |  |  |  |  |  | 115
Investment securities- all other [Member] |  |  |  |  |  |  |  |
Unrealized holding (losses)/gains on investments | 3,384 |  |  | (4,183) |  |  | 2,044 | (5,065)
Net unrealized gains (losses), before tax | 3,384 |  |  | (4,183) |  |  | 2,044 | (5,065)
Unrealized tax (expense) benefit | (893) |  |  | 982 |  |  |  | 1,195
Income tax (credit)/expense related to other comprehensive income |  |  |  |  |  |  | (540) |
Unrealized net gains (losses), net of tax | 2,491 |  |  | (3,201) |  |  |  | (3,870)
Other comprehensive income/(loss), net of tax |  |  |  |  |  |  | 1,504 |
Investment Securities HTM [Member] |  |  |  |  |  |  |  |
Recognized gains (losses), before tax | (182) |  |  | (167) |  |  | (503) | (513)
Net unrealized gains (losses), before tax | 182 |  |  | 167 |  |  | 503 | 513
Income tax (credit)/expense related to other comprehensive income | (48) |  |  | (37) |  |  | (133) | (121)
Recognized gains (losses), net of tax | (134) | (118) | (118) | (130) | (129) | (133) |  |
Other comprehensive income/(loss), net of tax | 134 |  |  | 130 |  |  | 370 | 392
Investment Securities HTM [Member] | Amortization of Recognized Income [Member] |  |  |  |  |  |  |  |
Recognized gains (losses), before tax | (182) |  |  | (167) |  |  | (503) | (513)
Recognized tax (expense) benefit | 48 |  |  | 37 |  |  | 133 | 121
Recognized gains (losses), net of tax | (134) |  |  | (130) |  |  | (370) | (392)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |  |  |  |  |
Unrealized holding (losses)/gains on investments |  |  |  | 14 |  |  |  |
Net unrealized gains (losses), before tax | (323) |  |  |  |  |  | (319) | 30
Unrealized tax (expense) benefit | 85 |  |  | (3) |  |  |  |
Income tax (credit)/expense related to other comprehensive income |  |  |  |  |  |  | 84 | (7)
Unrealized net gains (losses), net of tax | (238) | (51) | 54 | 11 | 150 | (138) |  |
Other comprehensive income/(loss), net of tax |  |  |  |  |  |  | (235) | 23
Net Pension Plan |  |  |  |  |  |  |  |
Unrealized holding (losses)/gains on investments | 3,229 |  |  | (1,352) |  |  | 4,181 | (1,250)
Recognized gains (losses), before tax | (202) |  |  | (251) |  |  | (608) | (750)
Net unrealized gains (losses), before tax | 3,431 |  |  | (1,101) |  |  | 4,789 | (500)
Net Pension Plan | Pension |  |  |  |  |  |  |  |
Unrealized holding (losses)/gains on investments | 3,229 |  |  | (1,352) |  |  | 4,181 | (1,250)
Net unrealized gains (losses), before tax | 3,431 |  |  | (1,101) |  |  | 4,789 | (500)
Unrealized tax (expense) benefit | (852) |  |  | 319 |  |  | (1,104) | 298
Income tax (credit)/expense related to other comprehensive income | (906) |  |  | 262 |  |  | (1,265) | 121
Unrealized net gains (losses), net of tax | 2,377 | (396) | 1,096 | (1,033) | (42) | 123 | 3,077 | (952)
Recognized gains (losses), net of tax | (148) | (150) | (149) | (194) | (195) | (184) |  |
Other comprehensive income/(loss), net of tax | 2,525 |  |  | (839) |  |  | 3,524 | (379)
Net Pension Plan | SERP |  |  |  |  |  |  |  |
Net unrealized gains (losses), before tax | 39 |  |  | (2) |  |  | 118 | (6)
Recognized tax (expense) benefit | (10) |  |  |  |  |  |  |
Income tax (credit)/expense related to other comprehensive income |  |  |  | 1 |  |  | (31) | 2
Recognized gains (losses), net of tax | (29) | $ (29) | $ (29) | 1 | $ 2 | $ 1 |  |
Other comprehensive income/(loss), net of tax | 29 |  |  | (1) |  |  | 87 | (4)
Net Pension Plan | Amortization of Unrecognized Loss [Member] | Pension |  |  |  |  |  |  |  |
Recognized gains (losses), before tax | (202) |  |  | (251) |  |  | (608) | (750)
Recognized tax (expense) benefit | 54 |  |  | 57 |  |  | 161 | 177
Recognized gains (losses), net of tax | (148) |  |  | (194) |  |  | (447) | (573)
Net Pension Plan | Amortization of Unrecognized Loss [Member] | SERP |  |  |  |  |  |  |  |
Recognized gains (losses), before tax |  |  |  | 2 |  |  | (118) |
Recognized tax (expense) benefit |  |  |  | (1) |  |  | 31 |
Recognized gains (losses), net of tax |  |  |  | $ 1 |  |  | $ (87) |
Net Pension Plan | Amortization of Unrecognized Gain [Member] | SERP |  |  |  |  |  |  |  |
Recognized gains (losses), before tax |  |  |  |  |  |  |  | 6
Recognized tax (expense) benefit |  |  |  |  |  |  |  | (2)
Recognized gains (losses), net of tax |  |  |  |  |  |  |  | $ 4
Net Pension Plan | Reclassification out of Accumulated Other Comprehensive Income [Member] | Amortization of Unrecognized Loss [Member] | SERP |  |  |  |  |  |  |  |
Recognized gains (losses), before tax | (39) |  |  |  |  |  |  |
Recognized tax (expense) benefit | 10 |  |  |  |  |  |  |
Recognized gains (losses), net of tax | $ (29) |  |  |  |  |  |  |

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