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Accumulated Other Comprehensive Loss ("AOCL") (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Net unrealized gains (losses), before tax | $ (15,935) | $ 2,115
Income tax expense related to other comprehensive income | 4,223 | (566)
Other comprehensive (loss)/income, net of tax | (11,712) | 1,549
Accumulated Other Comprehensive Loss, Net of Tax [Member] |  |
Unrealized net gains (losses), net of tax | (13,133) | 409
Recognized gains (losses), net of tax | (1,421) | (1,140)
Other comprehensive (loss)/income, net of tax | (11,712) | 1,549
Investment securities- with OTTI [Member] |  |
Unrealized holding (losses)/gains on investments | (835) | 3,379
Recognized gains (losses), before tax | 202 | 201
Net unrealized gains (losses), before tax | (1,037) | 3,178
Unrealized tax (expense) benefit | 221 | (904)
Income tax expense related to other comprehensive income | 275 | (850)
Unrealized net gains (losses), net of tax | (614) | 2,475
Recognized gains (losses), net of tax | 148 | 147
Other comprehensive (loss)/income, net of tax | (762) | 2,328
Investment securities- with OTTI [Member] | Accretable Yield in Income [Member] |  |
Recognized gains (losses), before tax | 202 | 201
Recognized tax (expense) benefit | (54) | (54)
Recognized gains (losses), net of tax | 148 | 147
Investment securities- all other [Member] |  |
Unrealized holding (losses)/gains on investments | (22,792) | (7,661)
Recognized gains (losses), before tax | 3 | 154
Net unrealized gains (losses), before tax | (14,467) | (7,815)
Unrealized tax (expense) benefit | 6,043 | 2,050
Income tax expense related to other comprehensive income | 3,836 | 2,091
Unrealized net gains (losses), net of tax | (16,749) | (5,611)
Other comprehensive (loss)/income, net of tax | (10,631) | (5,724)
Investment securities- all other [Member] | Recognition of Gains (Losses) In Income [Member] |  |
Recognized gains (losses), before tax | 3 | 154
Recognized tax (expense) benefit | (1) | (41)
Recognized gains (losses), net of tax | 2 | 113
Investment Securities HTM [Member] |  |
Recognized gains (losses), before tax | (841) | (247)
Net unrealized gains (losses), before tax | (7,578) | 247
Income tax expense related to other comprehensive income | 2,009 | (66)
Unrealized net gains (losses), net of tax | (6,120) |
Recognized gains (losses), net of tax | (551) | (181)
Other comprehensive (loss)/income, net of tax | (5,569) | 181
Investment Securities HTM [Member] | Recognition of Gains (Losses) In Income [Member] |  |
Recognized gains (losses), before tax | 91 |
Recognized tax (expense) benefit | (24) |
Recognized gains (losses), net of tax | 67 |
Investment Securities HTM [Member] | Amortization of Recognized Income [Member] |  |
Recognized gains (losses), before tax | (841) | (247)
Recognized tax (expense) benefit | 223 | 66
Recognized gains (losses), net of tax | (618) | (181)
Investment Securities Transferred From AFS to HTM |  |
Unrealized holding (losses)/gains on investments | (8,328) |
Unrealized tax (expense) benefit | 2,208 |
Unrealized net gains (losses), net of tax | (6,120) |
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |
Unrealized holding (losses)/gains on investments | 1,521 | 867
Net unrealized gains (losses), before tax | 1,521 | 867
Unrealized tax (expense) benefit | (405) | (232)
Income tax expense related to other comprehensive income | (405) | (232)
Unrealized net gains (losses), net of tax | 1,116 | 635
Other comprehensive (loss)/income, net of tax | 1,116 | 635
Pension Plan [Member] |  |
Unrealized holding (losses)/gains on investments | 931 | 4,684
Recognized gains (losses), before tax | (1,117) | (1,490)
Net unrealized gains (losses), before tax | 2,048 | 6,174
Pension Plan [Member] | Pension [Member] |  |
Unrealized holding (losses)/gains on investments | 931 | 4,684
Net unrealized gains (losses), before tax | 2,048 | 6,174
Unrealized tax (expense) benefit | (247) | (1,253)
Income tax expense related to other comprehensive income | (543) | (1,652)
Unrealized net gains (losses), net of tax | 684 | 3,431
Recognized gains (losses), net of tax | (821) | (1,091)
Other comprehensive (loss)/income, net of tax | 1,505 | 4,522
Pension Plan [Member] | SERP [Member] |  |
Unrealized holding (losses)/gains on investments | 3,307 | (711)
Net unrealized gains (losses), before tax | 3,578 | (536)
Unrealized tax (expense) benefit | (877) | 190
Income tax expense related to other comprehensive income | (949) | 143
Unrealized net gains (losses), net of tax | 2,430 | (521)
Recognized gains (losses), net of tax | (199) | (128)
Other comprehensive (loss)/income, net of tax | 2,629 | (393)
Pension Plan [Member] | Amortization of Unrecognized Loss [Member] | Pension [Member] |  |
Recognized gains (losses), before tax | (1,117) | (1,490)
Recognized tax (expense) benefit | 296 | 399
Recognized gains (losses), net of tax | (821) | (1,091)
Pension Plan [Member] | Amortization of Unrecognized Loss [Member] | SERP [Member] |  |
Recognized gains (losses), before tax | (271) | (175)
Recognized tax (expense) benefit | 72 | 47
Recognized gains (losses), net of tax | $ (199) | $ (128)

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