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Accumulated Other Comprehensive Loss ("AOCL") (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | $ (1,194) | $ 531
Cash flow hedges: Unrealized holding gains, Before Tax | 766 | 133
Cash flow hedges: Unrealized holding gains, Tax Effect | (305) | (53)
Cash flow hedges: Unrealized holding gains, Net of Tax | 461 | 80
Unrealized net actuarial gain (loss), Net of Tax | (1,569) | (1,271)
Other Comprehensive Income, Before Tax Amount | (4,192) | 2,148
Other Comprehensive Income, Tax (Expense) Benefit | 1,671 | (859)
Other Comprehensive Income, Net | (2,521) | 1,289
Investment securities- with OTTI [Member] |  |
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Before Tax Amount | (700) | 2,985
Available for sale (AFS) securities with OTTI: Unrealized holding gains, tax effect | 279 | (1,192)
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Net of Tax | (421) | 1,793
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Before Tax Amount | 9 | (580)
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax Effect | (4) | 232
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Net of Tax | 5 | (348)
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI: Net unrealized gains on investments with OTTI, Tax Effect | 283 | (1,156)
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Before Tax Amount | (709) | 2,893
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Net of Tax | (426) | 1,737
Securities: Less: gains (losses) recognized in income, Before Tax |  | 672
Securities: Less: gains (losses) recognized in income, Tax Effect |  | (268)
Securities: Less: gains (losses) recognized in income, Net of Tax |  | 404
Investment Securities -All Other AFS [Member] |  |
Securities: Unrealized holding gains (losses), Before Tax | (1,545) | 1,174
Securities: Unrealized holding gains (losses), Tax Effect | 616 | (469)
Securities: Unrealized holding gains (losses), Net of Tax | (929) | 705
Securities: Less: gains (losses) recognized in income, Before Tax | 440 | 290
Securities: Less: gains (losses) recognized in income, Tax Effect | (175) | (116)
Securities: Less: gains (losses) recognized in income, Net of Tax | 265 | 174
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax | (1,985) | 884
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect | 791 | (353)
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | (1,194) | 531
Investment Securities HTM [Member] |  |
Securities: Unrealized holding gains (losses), Before Tax | 0 | 0
Securities: Unrealized holding gains (losses), Tax Effect | 0 | 0
Securities: Unrealized holding gains (losses), Net of Tax | 0 | 0
Securities: Less: gains (losses) recognized in income, Before Tax | (1,026) | (473)
Securities: Less: gains (losses) recognized in income, Tax Effect | 409 | 189
Securities: Less: gains (losses) recognized in income, Net of Tax | (617) | (284)
Held to maturity securities: Net unrealized gains (losses) on all HTM securities, Before tax | 1,026 | 473
Held to maturity securities: Net unrealized gains (losses) on all HTM securities, Tax | (409) | (189)
Held to maturity securities: Net unrealized gains (losses) on all HTM securities, After tax | 617 | 284
Pension Plan [Member] |  |
Unrealized net actuarial gain (loss), Before Tax | (3,468) | (2,890)
Unrealized net actuarial gain (loss), Tax Effect | 1,382 | 1,154
Unrealized net actuarial gain (loss), Net of Tax | (2,086) | (1,736)
Less: amortization of unrecognized net gain (loss), Before Tax | (848) | (781)
Less: amortization of unrecognized net gain (loss), Tax Effect | 338 | 312
Less: amortization of unrecognized net gain (loss), Net of Tax | (510) | (469)
Less: amortization of transition asset, Before Tax | 0 | 19
Less: amortization of transition asset, Tax Effect | 0 | (8)
Less: amortization of transition asset, Net of Tax | 0 | 11
Less: amortization of prior service costs, Before Tax | (12) | (12)
Less: amortization of prior service costs, Tax Effect | 5 | 5
Less: amortization of prior service costs, Net of Tax | (7) | (7)
Net plan liability adjustment, Before Tax | (2,608) | (2,116)
Net plan liability adjustment, Tax Effect | 1,039 | 845
Net plan liability adjustment, Net of Tax | (1,569) | (1,271)
SERP [Member] |  |
Unrealized net actuarial gain (loss), Before Tax | (775) | (188)
Unrealized net actuarial gain (loss), Tax Effect | 309 | 75
Unrealized net actuarial gain (loss), Net of Tax | (466) | (113)
Less: amortization of unrecognized net gain (loss), Before Tax | (73) | (49)
Less: amortization of unrecognized net gain (loss), Tax Effect | 29 | 20
Less: amortization of unrecognized net gain (loss), Net of Tax | (44) | (29)
Less: amortization of prior service costs, Before Tax | (20) | (20)
Less: amortization of prior service costs, Tax Effect | 8 | 8
Less: amortization of prior service costs, Net of Tax | (12) | (12)
Net plan liability adjustment, Before Tax | (682) | (119)
Net plan liability adjustment, Tax Effect | 272 | 47
Net plan liability adjustment, Net of Tax | (410) | (72)
Parent Company [Member] |  |
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax | (795) | (3,521)
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect | 317 | 1,406
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | $ (478) | $ (2,115)

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- Definition Net of tax amount of the amount by which the fair value of an investment in debt and equity securities categorized as Available-for-sale is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References No definition available. + Details
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- Definition Amount after tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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