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Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | $ 1,921 | $ 608 | $ (3,281) | $ 1,992
Held to maturity securities: Net unrealized gains on all HTM securities, Before tax |  | 602 |  |
Held to maturity securities: Net unrealized gains on all HTM securities, Tax |  | (161) |  |
Held to maturity securities: Net unrealized gains on all HTM securities, After tax |  | 441 |  |
Cash flow hedges: Unrealized holding (losses) gains, Net of Tax | (34) | (81) | 371 | (1,044)
Unrealized net actuarial loss, Net of Tax | 1,210 | 3,399 | 1,343 | (1,516)
Other Comprehensive Income, Before Tax Amount | 6,457 | 5,626 | 540 | (2,064)
Other Comprehensive Income, Tax (Expense) Benefit | (1,727) | (1,506) | (145) | 552
Other Comprehensive (loss) Income, Net | 4,730 | 4,120 | 395 | (1,512)
Amortization of Recognized Income [Member] |  |  |  |
Less: amortization recognized in income, Before Tax |  | (662) |  |
Less: amortization recognized in income, Tax Effect |  | 177 |  |
Less: amortization recognized in income, Net of Tax |  | (485) |  |
Cash flow hedges: Unrealized holding (losses) gains, Before Tax |  | 60 |  |
Cash flow hedges: Unrealized holding (losses) gains, Tax Effect |  | (16) |  |
Cash flow hedges: Unrealized holding (losses) gains, Net of Tax |  | 44 |  |
Investment securities- with OTTI [Member] |  |  |  |
Available for sale (AFS) securities with OTTI: Unrealized holding (losses) gains, Before Tax Amount | 2,160 | (333) | 2,523 | (1,956)
Available for sale (AFS) securities with OTTI: Unrealized holding (losses) gains, tax effect | (579) | 89 | (676) | 524
Available for sale (AFS) securities with OTTI: Unrealized holding (losses) gains, Net of Tax | 1,581 | (244) | 1,847 | (1,432)
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Before Tax Amount | 51 | 51 | 101 | 101
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax Effect | (14) | (14) | (27) | (27)
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Net of Tax | 37 | 37 | 74 | 74
Available for sale (AFS) securities with OTTI: Net unrealized losses on investments with OTTI, Before Tax Amount | 2,109 | (384) | 2,422 | (2,057)
Available for sale (AFS) securities with OTTI: Net unrealized losses on investments with OTTI, Tax Effect | (565) | 103 | (649) | 551
Available for sale (AFS) securities with OTTI: Net unrealized losses on investments with OTTI, Net of Tax | 1,544 | (281) | 1,773 | (1,506)
Investment securities- all other [Member] |  |  |  |
Securities: Unrealized holding gains (losses), Before Tax |  |  |  | 2,767
Securities: Unrealized holding gains (losses), Tax Effect |  |  |  | (741)
Securities: Unrealized holding gains (losses), Net of Tax |  |  |  | 2,026
Less: amortization recognized in income, Before Tax |  |  |  | 47
Less: amortization recognized in income, Tax Effect |  |  |  | (13)
Less: amortization recognized in income, Net of Tax |  |  |  | 34
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax |  |  |  | 2,720
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect |  |  |  | (728)
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax |  |  |  | 1,992
Investment Securities -All Other AFS [Member] |  |  |  |
Securities: Unrealized holding gains (losses), Before Tax | 2,778 | 877 | (4,327) |
Securities: Unrealized holding gains (losses), Tax Effect | (744) | (235) | 1,159 |
Securities: Unrealized holding gains (losses), Net of Tax | 2,034 | 642 | (3,168) |
Less: amortization recognized in income, Before Tax | 154 | 47 | 154 |
Less: amortization recognized in income, Tax Effect | (41) | (13) | (41) |
Less: amortization recognized in income, Net of Tax | 113 | 34 | 113 |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax | 2,624 | 830 | (4,481) |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect | (703) | (222) | 1,200 |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | 1,921 | 608 | (3,281) |
Investment Securities HTM [Member] |  |  |  |
Less: amortization recognized in income, Before Tax |  |  | (108) | 60
Less: amortization recognized in income, Tax Effect |  |  | 29 | (16)
Less: amortization recognized in income, Net of Tax |  |  | (79) | 44
Held to maturity securities: Net unrealized gains on all HTM securities, Before tax | 46 |  | 108 |
Held to maturity securities: Net unrealized gains on all HTM securities, Tax | (12) |  | (29) |
Held to maturity securities: Net unrealized gains on all HTM securities, After tax | 34 |  | 79 |
Investment Securities HTM [Member] | Amortization of Recognized Income [Member] |  |  |  |
Less: amortization recognized in income, Before Tax | (46) |  |  | (735)
Less: amortization recognized in income, Tax Effect | 12 |  |  | 197
Less: amortization recognized in income, Net of Tax | (34) |  |  | (538)
Held to maturity securities: Net unrealized gains on all HTM securities, Before tax |  |  |  | (675)
Held to maturity securities: Net unrealized gains on all HTM securities, Tax |  |  |  | (181)
Held to maturity securities: Net unrealized gains on all HTM securities, After tax |  |  |  | (494)
Cash Flow Hedge (OCI) [Member] |  |  |  |
Cash flow hedges: Unrealized holding (losses) gains, Before Tax | (47) | (111) | 507 | (1,425)
Cash flow hedges: Unrealized holding (losses) gains, Tax Effect | 13 | 30 | (136) | 381
Cash flow hedges: Unrealized holding (losses) gains, Net of Tax | (34) | (81) | 371 | (1,044)
Pension Plan [Member] |  |  |  |
Unrealized net actuarial loss, Before Tax | 1,280 | 4,284 | 1,090 | (2,786)
Unrealized net actuarial loss, Tax Effect | (342) | (1,147) | (291) | 746
Unrealized net actuarial loss, Net of Tax | 938 | 3,137 | 799 | (2,040)
Less: amortization of unrecognized loss, Before Tax |  |  |  | (716)
Less: amortization of unrecognized loss, Tax Effect |  |  |  | 192
Less: amortization of unrecognized loss, Net of Tax |  |  |  | (524)
Net plan liability adjustment, Before Tax | 1,652 | 4,642 | 1,834 | (2,070)
Net plan liability adjustment, Tax Effect | (442) | (1,243) | (491) | 554
Net plan liability adjustment, Net of Tax | 1,210 | 3,399 | 1,343 | (1,516)
Pension Plan [Member] | Amortization of Unrecognized Loss [Member] |  |  |  |
Less: amortization of unrecognized loss, Before Tax | (372) | (358) |  |
Less: amortization of unrecognized loss, Tax Effect | 100 | 96 |  |
Less: amortization of unrecognized loss, Net of Tax | (272) | (262) |  |
Pension Plan [Member] | Amortization of Recognized Income [Member] |  |  |  |
Less: amortization of unrecognized loss, Before Tax |  |  | (744) |
Less: amortization of unrecognized loss, Tax Effect |  |  | 200 |
Less: amortization of unrecognized loss, Net of Tax |  |  | (544) |
SERP [Member] |  |  |  |
Net plan liability adjustment, Before Tax | 73 | 47 | 150 | 93
Net plan liability adjustment, Tax Effect | (18) | (13) | (40) | (25)
Net plan liability adjustment, Net of Tax | 55 | 34 | 110 | 68
SERP [Member] | Amortization of Unrecognized Loss [Member] |  |  |  |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax | (73) |  |  |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect | 18 |  |  |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | $ (55) |  |  |
Less: amortization of unrecognized loss, Before Tax |  | (47) | (150) | (94)
Less: amortization of unrecognized loss, Tax Effect |  | 13 | 40 | 25
Less: amortization of unrecognized loss, Net of Tax |  | $ (34) | $ (110) | (69)
SERP [Member] | Amortization of Prior Service Costs [Member] |  |  |  |
Less: amortization of prior service costs, Before Tax |  |  |  | 1
Less: amortization of prior service costs, Net of Tax |  |  |  | $ 1

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- Definition Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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- Definition Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e637-108580 + Details
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