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Accumulated Other Comprehensive Loss ("AOCL") (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Net unrealized gains (losses), before tax | $ 2,115 | $ (3,950)
Income tax (expense)/benefit related to other comprehensive income | (566) | 1,058
Other comprehensive loss, net of tax | 1,549 | (2,892)
Accumulated Other Comprehensive Loss, Net of Tax [Member] |  |
Unrealized net gains (losses), net of tax | 409 | (4,052)
Recognized gains (losses), net of tax | (1,140) | (1,160)
Other comprehensive loss, net of tax | 1,549 | (2,892)
Investment securities- with OTTI [Member] |  |
Unrealized net gains (losses), before tax | 3,379 | (803)
Recognized gains (losses), before tax | 201 | 202
Net unrealized gains (losses), before tax | 3,178 | (1,005)
Unrealized tax (expense) benefit | (904) | 216
Income tax (expense)/benefit related to other comprehensive income | (850) | 270
Unrealized net gains (losses), net of tax | 2,475 | (587)
Recognized gains (losses), net of tax | 147 | 148
Other comprehensive loss, net of tax | 2,328 | (735)
Investment securities- with OTTI [Member] | Accretable Yield in Income [Member] |  |
Recognized gains (losses), before tax | 201 | 202
Recognized tax (expense) benefit | (54) | (54)
Recognized gains (losses), net of tax | 147 | 148
Investment securities- all other [Member] |  |
Unrealized net gains (losses), before tax | (7,661) | 1,765
Recognized gains (losses), before tax | 154 | 632
Net unrealized gains (losses), before tax | (7,815) | 1,133
Unrealized tax (expense) benefit | 2,050 | (474)
Income tax (expense)/benefit related to other comprehensive income | 2,091 | (305)
Unrealized net gains (losses), net of tax | (5,611) | 1,291
Recognized gains (losses), net of tax | 113 | 463
Other comprehensive loss, net of tax | (5,724) | 828
Investment securities- all other [Member] | Recognition of Gains (Losses) In Income [Member] |  |
Recognized gains (losses), before tax | 154 | 632
Recognized tax (expense) benefit | (41) | (169)
Recognized gains (losses), net of tax | 113 | 463
Investment Securities HTM [Member] |  |
Recognized gains (losses), before tax | (247) | (798)
Net unrealized gains (losses), before tax | 247 | 798
Income tax (expense)/benefit related to other comprehensive income | (66) | (214)
Recognized gains (losses), net of tax | (181) | (584)
Other comprehensive loss, net of tax | 181 | 584
Investment Securities HTM [Member] | Amortization of Recognized Income [Member] |  |
Recognized gains (losses), before tax | (247) | (798)
Recognized tax (expense) benefit | 66 | 214
Recognized gains (losses), net of tax | (181) | (584)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |
Unrealized net gains (losses), before tax | 867 | (1,187)
Net unrealized gains (losses), before tax | 867 | (1,187)
Unrealized tax (expense) benefit | (232) | 318
Income tax (expense)/benefit related to other comprehensive income | (232) | 318
Unrealized net gains (losses), net of tax | 635 | (869)
Other comprehensive loss, net of tax | 635 | (869)
Pension Plan [Member] |  |
Unrealized net gains (losses), before tax | 4,684 | (4,456)
Recognized gains (losses), before tax | (1,490) | (1,433)
Net unrealized gains (losses), before tax | 6,174 | (3,023)
Pension Plan [Member] | Pension [Member] |  |
Unrealized net gains (losses), before tax | 4,684 | (4,456)
Net unrealized gains (losses), before tax | 6,174 | (3,023)
Unrealized tax (expense) benefit | (1,253) | 1,194
Income tax (expense)/benefit related to other comprehensive income | (1,652) | 810
Unrealized net gains (losses), net of tax | 3,431 | (3,262)
Recognized gains (losses), net of tax | (1,091) | (1,049)
Other comprehensive loss, net of tax | 4,522 | (2,213)
Pension Plan [Member] | SERP [Member] |  |
Unrealized net gains (losses), before tax | (711) | (854)
Net unrealized gains (losses), before tax | (536) | 666
Unrealized tax (expense) benefit | 190 | 229
Income tax (expense)/benefit related to other comprehensive income | 143 | 179
Unrealized net gains (losses), net of tax | (521) | (625)
Recognized gains (losses), net of tax | (128) | (138)
Other comprehensive loss, net of tax | (393) | (487)
Pension Plan [Member] | Amortization of Unrecognized Loss [Member] | Pension [Member] |  |
Recognized gains (losses), before tax | (1,490) | (1,433)
Recognized tax (expense) benefit | 399 | 384
Recognized gains (losses), net of tax | (1,091) | (1,049)
Pension Plan [Member] | Amortization of Unrecognized Loss [Member] | SERP [Member] |  |
Recognized gains (losses), before tax | (175) | (188)
Recognized tax (expense) benefit | 47 | 50
Recognized gains (losses), net of tax | $ (128) | $ (138)

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