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Accumulated Other Comprehensive Loss (AOCL) (Components of Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | $ 1,170 | $ 8,737
Cash flow hedges: Unrealized holding gains, Before Tax | 133 | 258
Cash flow hedges: Unrealized holding gains, Tax Effect | (53) | (103)
Cash flow hedges: Unrealized holding gains, Net of Tax | 80 | 155
Unrealized net actuarial gain (loss), Net of Tax | (1,271) | (6,304)
Other Comprehensive Income, Before Tax Amount | 5,663 | 6,629
Other Comprehensive Income, Tax (Expense) Benefit | (2,259) | (2,649)
Other Comprehensive Income, Net | 3,404 | 3,980
Investment securities- with OTTI [Member] |  |
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Before Tax Amount | 1,915 | 7,234
Available for sale (AFS) securities with OTTI: Unrealized holding gains, tax effect | (761) | (2,885)
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Net of Tax | 1,154 | 4,349
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Before Tax Amount | (580) | 674
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax Effect | 232 | (269)
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Net of Tax | (348) | 405
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Before Tax Amount | 5,344 | 6,560
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI: Net unrealized gains on investments with OTTI, Tax Effect | (2,131) | (2,616)
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Net of Tax | 3,213 | 3,944
Securities: Less: gains (losses) recognized in income, Before Tax | (2,849) |
Securities: Less: gains (losses) recognized in income, Tax Effect | 1,138 |
Securities: Less: gains (losses) recognized in income, Net of Tax | (1,711) |
Investment Securities -All Other AFS [Member] |  |
Securities: Unrealized holding gains (losses), Before Tax | 1,658 | 14,501
Securities: Unrealized holding gains (losses), Tax Effect | (662) | (5,789)
Securities: Unrealized holding gains (losses), Net of Tax | 996 | 8,712
Securities: Less: gains (losses) recognized in income, Before Tax | 290 | (41)
Securities: Less: gains (losses) recognized in income, Tax Effect | (116) | 16
Securities: Less: gains (losses) recognized in income, Net of Tax | 174 | (25)
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax | 1,948 | 14,542
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect | (778) | (5,805)
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | 1,170 | 8,737
Investment Securities HTM [Member] |  |
Securities: Unrealized holding gains (losses), Before Tax | 0 | (3,984)
Securities: Unrealized holding gains (losses), Tax Effect | 0 | 1,589
Securities: Unrealized holding gains (losses), Net of Tax | 0 | (2,395)
Securities: Less: gains (losses) recognized in income, Before Tax | (473) | (233)
Securities: Less: gains (losses) recognized in income, Tax Effect | 189 | 93
Securities: Less: gains (losses) recognized in income, Net of Tax | (284) | (140)
Held to maturity securities: Net unrealized gains (losses) on all HTM securities, Before tax | 473 | (3,751)
Held to maturity securities: Net unrealized gains (losses) on all HTM securities, Tax | (189) | 1,496
Held to maturity securities: Net unrealized gains (losses) on all HTM securities, After tax | 284 | (2,255)
Pension Plan [Member] |  |
Unrealized net actuarial gain (loss), Before Tax | (2,890) | (10,833)
Unrealized net actuarial gain (loss), Tax Effect | 1,154 | 4,320
Unrealized net actuarial gain (loss), Net of Tax | (1,736) | (6,513)
Less: amortization of unrecognized net gain (loss), Before Tax | (781) | (374)
Less: amortization of unrecognized net gain (loss), Tax Effect | 312 | 149
Less: amortization of unrecognized net gain (loss), Net of Tax | (469) | (225)
Less: amortization of transition asset, Before Tax | 19 | 39
Less: amortization of transition asset, Tax Effect | (8) | (16)
Less: amortization of transition asset, Net of Tax | 11 | 23
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 | (2,116) | (10,486)
Net plan liability adjustment, Tax Effect | 845 | 4,182
Net plan liability adjustment, Net of Tax | (1,271) | (6,304)
SERP [Member] |  |
Unrealized net actuarial gain (loss), Before Tax | (188) | (531)
Unrealized net actuarial gain (loss), Tax Effect | 75 | 212
Unrealized net actuarial gain (loss), Net of Tax | (113) | (319)
Less: amortization of unrecognized net gain (loss), Before Tax | (49) | (17)
Less: amortization of unrecognized net gain (loss), Tax Effect | 20 | 7
Less: amortization of unrecognized net gain (loss), Net of Tax | (29) | (10)
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 | (119) | (494)
Net plan liability adjustment, Tax Effect | 47 | 197
Net plan liability adjustment, Net of Tax | $ (72) | $ (297)

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