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Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | $ (87) | $ (640) | $ 8,255 | $ (6,369)
Cash flow hedges: Unrealized holding gains, Before Tax | 44 | 71 | 229 | 301
Cash flow hedges: Unrealized holding gains, Tax Effect | (18) | (29) | (92) | (121)
Cash flow hedges: Unrealized holding gains, Net of Tax | 26 | 42 | 137 | 180
Unrealized net actuarial gain (loss), Net of Tax | (687) | 434 | (650) | 525
Other comprehensive income, Before tax amount | (573) | 473 | 14,689 | (6,354)
Other comprehensive income, Tax (expense) benefit | 228 | (189) | (5,873) | 2,553
Other comprehensive income, Net | (345) | 284 | 8,816 | (3,801)
Investment Securities- with OTTI AFS [Member] |  |  |  |
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Before tax amount | 748 | 882 | 6,149 | 3,500
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Tax effect | (300) | (354) | (2,460) | (1,405)
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Net of tax | 448 | 528 | 3,689 | 2,095
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income | 170 | 140 | 501 | 406
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax effect | (68) | (56) | (200) | (163)
Other than temporary impairment losses, investments, reclassification adjustment of noncredit portion included in net income, Available for sale securities, Net of tax | 102 | 84 | 301 | 243
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Before tax amount | 578 | 742 | 5,648 | 3,094
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI: Net unrealized gains on investments with OTTI, Tax effect | (232) | (298) | (2,260) | (1,242)
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Net of tax | 346 | 444 | 3,388 | 1,852
Investment Securities -All Other AFS [Member] |  |  |  |
Securities: Unrealized holding losses, Before tax | 3 | (1,174) | 13,746 | (10,520)
Securities: Unrealized holding losses, Tax effect | (2) | 472 | (5,496) | 4,225
Securities: Unrealized holding losses, Net of tax | 1 | (702) | 8,250 | (6,295)
Securities: Less: gains recognized in income, Before tax | 147 | (103) | (7) | 124
Securities: Less: gains recognized in income, Tax effect | (59) | 41 | 2 | (50)
Securities: gains recognized in income, Net of tax | 88 | (62) | (5) | 74
Available for sale securities: Net unrealized losses on all other AFS securities, Before Tax | (144) | (1,071) | 13,753 | (10,644)
Available for sale securities: Net unrealized losses on all other AFS securities, Tax effect | 57 | 431 | (5,498) | 4,275
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | (87) | (640) | 8,255 | (6,369)
Investment Securities HTM [Member] |  |  |  |
Securities: Unrealized holding losses, Before tax | 0 |  | (3,984) |
Securities: Unrealized holding losses, Tax effect | 0 |  | 1,593 |
Securities: Unrealized holding losses, Net of tax | 0 |  | (2,391) |
Securities: Less: gains recognized in income, Before tax | (95) |  | (127) |
Securities: Less: gains recognized in income, Tax effect | 38 |  | 51 |
Securities: gains recognized in income, Net of tax | (57) |  | (76) |
Held to maturity securities: Net unrealized losses on all HTM securities, Before tax | 95 |  | (3,857) |
Held to maturity securities: Net unrealized losses on all HTM securities, Tax | (38) |  | 1,542 |
Held to maturity securities: Net unrealized losses on all HTM securities, After tax | 57 |  | (2,315) |
Pension Plan [Member] |  |  |  |
Unrealized net actuarial gain (loss), Before Tax | (1,233) | 599 | (1,345) | 499
Unrealized net actuarial gain (loss), Tax Effect | 494 | (241) | 539 | (200)
Unrealized net actuarial gain (loss), Net of Tax | (739) | 358 | (806) | 299
Less: amortization of unrecognized net gain (loss), Before Tax | (93) | (133) |  |
Less: amortization of unrecognized net gain (loss), Tax Effect | 37 | 53 |  |
Less: amortization of unrecognized net gain (loss), Net of Tax | (56) | (80) |  |
Less: amortization of transition asset, Before Tax | 10 | 10 |  |
Less: amortization of transition asset, Tax Effect | (4) | (4) |  |
Less: amortization of transition asset, Net of Tax | 6 | 6 |  |
Less: amortization of prior service costs, Before Tax | (3) | (3) |  |
Less: amortization of prior service costs, Tax Effect | 1 | 1 |  |
Less: amortization of prior service costs, Net of Tax | (2) | (2) |  |
Net plan liability adjustment, Before Tax | (1,147) | 725 | (1,086) | 877
Net plan liability adjustment, Tax Effect | 460 | (291) | 436 | (352)
Net plan liability adjustment, Net of Tax | (687) | 434 | (650) | 525
SERP [Member] |  |  |  |
Unrealized net actuarial gain (loss), Before Tax | 0 | 0 | 0 | 0
Unrealized net actuarial gain (loss), Tax Effect | 0 | 0 | 0 | 0
Unrealized net actuarial gain (loss), Net of Tax | 0 | 0 | 0 | 0
Less: amortization of unrecognized net gain (loss), Before Tax | 4 | (1) |  |
Less: amortization of unrecognized net gain (loss), Tax Effect | (1) | 0 |  |
Less: amortization of unrecognized net gain (loss), Net of Tax | 3 | (1) |  |
Less: amortization of prior service costs, Before Tax | (5) | (5) |  |
Less: amortization of prior service costs, Tax Effect | 2 | 2 |  |
Less: amortization of prior service costs, Net of Tax | (3) | (3) |  |
Net plan liability adjustment, Before Tax | 1 | 6 | 2 | 18
Net plan liability adjustment, Tax Effect | (1) | (2) | (1) | (7)
Net plan liability adjustment, Net of Tax | 0 | 4 | 1 | 11
Amortization of Unrecognized Loss [Member] | Pension Plan [Member] |  |  |  |
Less: amortization of unrecognized net gain (loss), Before Tax |  |  | (280) | (399)
Less: amortization of unrecognized net gain (loss), Tax Effect |  |  | 112 | 160
Less: amortization of unrecognized net gain (loss), Net of Tax |  |  | (168) | (239)
Amortization of Unrecognized Loss [Member] | SERP [Member] |  |  |  |
Less: amortization of unrecognized net gain (loss), Before Tax |  |  |  | (3)
Less: amortization of unrecognized net gain (loss), Tax Effect |  |  |  | 1
Less: amortization of unrecognized net gain (loss), Net of Tax |  |  |  | (2)
Amortization of Unrecognized Gain [Member] | SERP [Member] |  |  |  |
Less: amortization of unrecognized net gain (loss), Before Tax |  |  | 13 |
Less: amortization of unrecognized net gain (loss), Tax Effect |  |  | (5) |
Less: amortization of unrecognized net gain (loss), Net of Tax |  |  | 8 |
Amortization of transition asset [Member] | Pension Plan [Member] |  |  |  |
Less: amortization of transition asset, Before Tax |  |  | 30 | 30
Less: amortization of transition asset, Tax Effect |  |  | (12) | (12)
Less: amortization of transition asset, Net of Tax |  |  | 18 | 18
Amortization of prior service costs [Member] | Pension Plan [Member] |  |  |  |
Less: amortization of prior service costs, Before Tax |  |  | (9) | (9)
Less: amortization of prior service costs, Tax Effect |  |  | 3 | 4
Less: amortization of prior service costs, Net of Tax |  |  | (6) | (5)
Amortization of prior service costs [Member] | SERP [Member] |  |  |  |
Less: amortization of prior service costs, Before Tax |  |  | (15) | (15)
Less: amortization of prior service costs, Tax Effect |  |  | 6 | 6
Less: amortization of prior service costs, Net of Tax |  |  | $ (9) | $ (9)

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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 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 Reference 3: 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=28358780&loc=SL7669646-108580 + Details
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- Definition Amount of tax expense (benefit) related to (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 12 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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- Definition Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + 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-k) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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- Definition Amount before 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 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 2: 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=28358780&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Amount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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- Definition Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 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=28358780&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e689-108580 + Details
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