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Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | $ 608 | $ 1,577 | $ 1,992 | $ 2,482
Cash flow hedges: Unrealized holding (losses) gains, Net of Tax | (81) | (486) | (1,044) | (801)
Unrealized net actuarial loss, Net of Tax | 3,399 | 707 | (1,516) | 2,836
Other Comprehensive Income, Before Tax Amount | 5,626 |  | (2,064) | 6,041
Other Comprehensive Income, Tax (Expense) Benefit | (1,506) |  | 552 | (1,638)
Other Comprehensive (loss) Income, Net | 4,120 |  | (1,512) | 4,403
Investment securities- with OTTI [Member] |  |  |  |
Available for sale (AFS) securities with OTTI: Unrealized holding (losses) gains, Before Tax Amount | (333) | (216) | (1,956) | (276)
Available for sale (AFS) securities with OTTI: Unrealized holding (losses) gains, tax effect | 89 | 59 | 524 | 75
Available for sale (AFS) securities with OTTI: Unrealized holding (losses) gains, Net of Tax | (244) | (157) | (1,432) | (201)
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Before Tax Amount | 51 | 50 | 101 | 99
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax Effect | (14) | (13) | (27) | (26)
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Net of Tax | 37 | 37 | 74 | 73
Available for sale (AFS) securities with OTTI: Net unrealized losses on investments with OTTI, Before Tax Amount | (384) | (266) | (2,057) | (375)
Available for sale (AFS) securities with OTTI: Net unrealized losses on investments with OTTI, Tax Effect | 103 | 72 | 551 | 101
Available for sale (AFS) securities with OTTI: Net unrealized losses on investments with OTTI, Net of Tax | (281) | (194) | (1,506) | (274)
Investment Securities -All Other AFS [Member] |  |  |  |
Securities: Unrealized holding gains, Before Tax | 877 | 2,169 | 2,767 | 3,405
Securities: Unrealized holding gains, Tax Effect | (235) | (588) | (741) | (923)
Securities: Unrealized holding gains, Net of Tax | 642 | 1,581 | 2,026 | 2,482
Less: amortization recognized in income, Before Tax | 47 | 6 | 47 |
Less: amortization recognized in income, Tax Effect | (13) | (2) | (13) |
Less: amortization recognized in income, Net of Tax | 34 | 4 | 34 |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax | 830 | 2,163 | 2,720 | 3,405
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect | (222) | (586) | (728) | (923)
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | 608 | 1,577 | 1,992 | 2,482
Investment Securities HTM [Member] |  |  |  |
Less: amortization recognized in income, Before Tax | 60 | (86) | 60 | (161)
Less: amortization recognized in income, Tax Effect | (16) | 23 | (16) | 43
Less: amortization recognized in income, Net of Tax | 44 | (63) | 44 | (118)
Held to maturity securities: Net unrealized gains on all HTM securities, Before tax | 602 | 86 | 675 | 161
Held to maturity securities: Net unrealized gains on all HTM securities, Tax | (161) | (23) | (181) | (43)
Held to maturity securities: Net unrealized gains on all HTM securities, After tax | 441 | 63 | 494 | 118
Investment Securities HTM [Member] | Amortization of Recognized Income [Member] |  |  |  |
Less: amortization recognized in income, Before Tax | (662) |  | (735) |
Less: amortization recognized in income, Tax Effect | 177 |  | 197 |
Less: amortization recognized in income, Net of Tax | (485) |  | (538) |
Cash Flow Hedge (OCI) [Member] |  |  |  |
Cash flow hedges: Unrealized holding (losses) gains, Before Tax | (111) | (666) | (1,425) | (1,098)
Cash flow hedges: Unrealized holding (losses) gains, Tax Effect | 30 | 180 | 381 | 297
Cash flow hedges: Unrealized holding (losses) gains, Net of Tax | (81) | (486) | (1,044) | (801)
Pension Plan [Member] |  |  |  |
Unrealized net actuarial loss, Before Tax | 4,284 | 701 | (2,786) | (3,353)
Unrealized net actuarial loss, Tax Effect | (1,147) | (190) | 746 | (909)
Unrealized net actuarial loss, Net of Tax | 3,137 | 511 | (2,040) | (2,444)
Net plan liability adjustment, Before Tax | 4,642 | 970 | (2,070) | 3,891
Net plan liability adjustment, Tax Effect | (1,243) | (263) | 554 | (1,055)
Net plan liability adjustment, Net of Tax | 3,399 | 707 | (1,516) | 2,836
Pension Plan [Member] | Amortization of Unrecognized Loss [Member] |  |  |  |
Less: amortization of unrecognized loss, Before Tax | (358) | (269) | (716) | (538)
Less: amortization of unrecognized loss, Tax Effect | 96 | 73 | 192 | 146
Less: amortization of unrecognized loss, Net of Tax | (262) | (196) | (524) | (392)
SERP [Member] |  |  |  |
Net plan liability adjustment, Before Tax | 47 | 29 | 93 | 57
Net plan liability adjustment, Tax Effect | (13) | (8) | (25) | (15)
Net plan liability adjustment, Net of Tax | 34 | 21 | 68 | 42
Other Comprehensive Income, Before Tax Amount |  | 2,316 |  |
Other Comprehensive Income, Tax (Expense) Benefit |  | (628) |  |
Other Comprehensive (loss) Income, Net |  | 1,688 |  |
SERP [Member] | Amortization of Unrecognized Loss [Member] |  |  |  |
Less: amortization of unrecognized loss, Before Tax | (47) | (29) | (94) | (58)
Less: amortization of unrecognized loss, Tax Effect | 13 | 8 | 25 | 15
Less: amortization of unrecognized loss, Net of Tax | $ (34) | $ (21) | (69) | (43)
SERP [Member] | Amortization of Prior Service Costs [Member] |  |  |  |
Less: amortization of prior service costs, Before Tax |  |  | 1 | 1
Less: amortization of prior service costs, Net of Tax |  |  | $ 1 | $ 1

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