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Accumulated Other Comprehensive Loss (Components of Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Before Tax Amount | $ 4,549 | $ 1,788
Available for sale (AFS) securities with OTTI: Unrealized holding gains, tax effect | (1,819) | (718)
Available for sale (AFS) securities with OTTI: Unrealized holding gains, Net of Tax | 2,730 | 1,070
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income | 160 | 125
Available for sale (AFS) securities with OTTI: Less: accretable yield recognized in income, Tax Effect | (64) | (50)
Other than Temporary Impairment Losses, Investments, Reclassification Adjustment of Noncredit Portion Included in Net Income, Available for Sale Securities, Net of Tax | 96 | 75
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Before Tax Amount | 4,389 | 1,663
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI: Net unrealized gains on investments with OTTI, Tax Effect | (1,755) | (668)
Available for sale (AFS) securities with OTTI: Net unrealized gains on investments with OTTI, Net of Tax | 2,634 | 995
Available for sale securities - all other: Unrealized holding losses, Before Tax | 4,990 | (195)
Available for sale securities - all other: Unrealized holding losses, Tax Effect | (1,995) | 79
Available for sale securities - all other: Unrealized holding losses, Net of Tax | 2,995 | (116)
Available for sale securities - all other: Less: gains recognized in income, Before Tax | (68) | 250
Available for sale securities - all other: Less: gains recognized in income, Tax Effect | 27 | (101)
Available for sale securities - all other: Less: gains recognized in income, Net of Tax | (41) | 149
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Before Tax | 5,058 | (445)
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Tax Effect | (2,022) | 180
Available for sale securities - all other: Net unrealized losses on all other AFS securities, Net of tax | 3,036 | (265)
Cash flow hedges: Unrealized holding gains, Before Tax | 92 | 101
Cash flow hedges: Unrealized holding gains, Tax Effect | (37) | (41)
Cash flow hedges: Unrealized holding gains, Net of Tax | 55 | 60
Unrealized net actuarial gain (loss), Net of Tax | (127) | 715
Other Comprehensive Income, Before Tax Amount | 9,328 | 2,520
Other Comprehensive Income, Tax (Expense) Benefit | (3,729) | (1,011)
Other Comprehensive Income, Net | 5,599 | 1,509
Pension Plan [Member] |  |
Unrealized net actuarial gain (loss), Before Tax | (298) | 1,069
Unrealized net actuarial gain (loss), Tax Effect | 119 | (430)
Unrealized net actuarial gain (loss), Net of Tax | (179) | 639
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 | (212) | 1,195
Net plan liability adjustment, Tax Effect | 85 | (480)
Net plan liability adjustment, Net of Tax | (127) | 715
SERP [Member] |  |
Unrealized net actuarial gain (loss), Before Tax | 0 | 0
Unrealized net actuarial gain (loss), Tax Effect | 0 | 0
Unrealized net actuarial gain (loss), Net of Tax | 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 | 1 | 2
Less: amortization of prior service costs, Net of Tax | (4) | (3)
Net plan liability adjustment, Before Tax | 1 | 6
Net plan liability adjustment, Tax Effect | 0 | (2)
Net plan liability adjustment, Net of Tax | $ 1 | $ 4

X
- 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 Tax effect 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 Tax effect of reclassification adjustment for other than temporary impairment (OTTI) related to factors other than credit loss on a previously impaired investment in available-for-sale debt security. + References No definition available. + Details
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- Definition Net of tax amount of reclassification adjustment for other than temporary impairment (OTTI) related to factors other than credit loss on a previously impaired investment in available-for-sale debt security. + 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 before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. + 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 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + Details
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- Definition Amount before tax, 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 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 + 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 after tax of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement 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 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 -Subparagraph (i) -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 15 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e689-108580 + Details
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