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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Accumulated Other Comprehensive Income | The following table summarizes the changes, net of tax within each classification of accumulated other comprehensive income for the three and nine months ended September 30, 2013 and 2012.
|  | Unrealized |  |  |  |
|  | gains and |  | 2013
|  | Losses on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, July 1 |  | $ | 1,205 |  |  | $ | (20,351 | ) |  | $ | (19,146 | )
Change in other comprehensive income before reclassification |  | (2,322 | ) |  | — |  |  | (2,322 | )
Amounts reclassified from accumulated other comprehensive income |  | — |  |  | 340 |  |  | 340 |
Net Current period other comprehensive other income |  | (2,322 | ) |  | 340 |  |  | (1,982 | )
Ending balance, September 30 |  | $ | (1,117 | ) |  | $ | (20,011 | ) |  | $ | (21,128 | )
|  | Unrealized |  |  |  |
|  | gains and |  | 2013
|  | Losses on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1 |  | $ | 13,431 |  |  | $ | (20,903 | ) |  | $ | (7,472 | )
Change in other comprehensive income before reclassification |  | (14,544 | ) |  | — |  |  | (14,544 | )
Amounts reclassified from accumulated other comprehensive income |  | (4 | ) |  | 892 |  |  | 888 |
Net Current period other comprehensive other income |  | (14,548 | ) |  | 892 |  |  | (13,656 | )
Ending balance, September 30 |  | $ | (1,117 | ) |  | $ | (20,011 | ) |  | $ | (21,128 | )
|  | Unrealized |  |  |  |
|  | gains and |  | 2012
|  | Losses on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, July 1 |  | $ | 13,124 |  |  | $ | (22,462 | ) |  | $ | (9,338 | )
Change in other comprehensive income before reclassification |  | 1,884 |  |  | — |  |  | 1,884 |
Amounts reclassified from accumulated other comprehensive income |  | (10 | ) |  | 387 |  |  | 377 |
Net Current period other comprehensive other income |  | 1,874 |  |  | 387 |  |  | 2,261 |
Ending balance, September 30 |  | $ | 14,998 |  |  | $ | (22,075 | ) |  | $ | (7,077 | )
|  | Unrealized |  |  |  |
|  | gains and |  | 2012
|  | Losses on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1 |  | $ | 12,740 |  |  | $ | (23,234 | ) |  | $ | (10,494 | )
Change in other comprehensive income before reclassification |  | 2,657 |  |  | — |  |  | 2,657 |
Amounts reclassified from accumulated other comprehensive income |  | (399 | ) |  | 1,159 |  |  | 760 |
Net Current period other comprehensive other income |  | 2,258 |  |  | 1,159 |  |  | 3,417 |
Ending balance, September 30 |  | $ | 14,998 |  |  | $ | (22,075 | ) |  | $ | (7,077 | )
Schedule Of Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment |
|  | Balance at |  | Current Period |  | Balance at
(Dollar amounts in thousands) |  | 7/1/2013 |  | Change |  | 9/30/2013
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |
without other than temporary impairment |  | $ | 3,023 |  |  | $ | (2,250 | ) |  | $ | 773 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |  |
with other than temporary impairment |  | (1,818 | ) |  | (72 | ) |  | (1,890 | )
Total unrealized loss on securities available-for-sale |  | $ | 1,205 |  |  | $ | (2,322 | ) |  | $ | (1,117 | )
Unrealized loss on retirement plans |  | (20,351 | ) |  | 340 |  |  | (20,011 | )
TOTAL |  | $ | (19,146 | ) |  | $ | (1,982 | ) |  | $ | (21,128 | )
|  | Balance at |  | Current Period |  | Balance at
(Dollar amounts in thousands) |  | 1/1/2013 |  | Change |  | 9/30/2013
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |
without other than temporary impairment |  | $ | 17,044 |  |  | $ | (16,271 | ) |  | $ | 773 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |  |
with other than temporary impairment |  | (3,613 | ) |  | 1,723 |  |  | (1,890 | )
Total unrealized loss on securities available-for-sale |  | $ | 13,431 |  |  | $ | (14,548 | ) |  | $ | (1,117 | )
Unrealized loss on retirement plans |  | (20,903 | ) |  | 892 |  |  | (20,011 | )
TOTAL |  | $ | (7,472 | ) |  | $ | (13,656 | ) |  | $ | (21,128 | )
|  | Balance at |  | Current Period |  | Balance at
(Dollar amounts in thousands) |  | 7/1/2012 |  | Change |  | 9/30/2012
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |  |
without other than temporary impairment |  | $ | 18,514 |  |  | $ | 1,290 |  |  | $ | 19,804 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |  |
with other than temporary impairment |  | (5,390 | ) |  | 584 |  |  | (4,806 | )
Total unrealized loss on securities available-for-sale |  | $ | 13,124 |  |  | $ | 1,874 |  |  | $ | 14,998 |
Unrealized loss on retirement plans |  | (22,462 | ) |  | 387 |  |  | (22,075 | )
TOTAL |  | $ | (9,338 | ) |  | $ | 2,261 |  |  | $ | (7,077 | )
|  | Balance at |  | Current Period |  | Balance at
(Dollar amounts in thousands) |  | 1/1/2012 |  | Change |  | 9/30/2012
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |  |
without other than temporary impairment |  | $ | 18,136 |  |  | $ | 1,668 |  |  | $ | 19,804 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |  |
with other than temporary impairment |  | (5,396 | ) |  | 590 |  |  | (4,806 | )
Total unrealized loss on securities available-for-sale |  | $ | 12,740 |  |  | $ | 2,258 |  |  | $ | 14,998 |
Unrealized loss on retirement plans |  | (23,234 | ) |  | 1,159 |  |  | (22,075 | )
TOTAL |  | $ | (10,494 | ) |  | $ | 3,417 |  |  | $ | (7,077 | )
Accumulated Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent |
|  | Three Months Ended September 30, 2013 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | — |  |  | Net securities gains (losses)
on available-for-sale |  | — |  |  | Income tax expense
securities |  | $ | — |  |  | Net of tax
Amortization of |  | $ | (566 | ) |  | (a)
retirement plan items |  | 226 |  |  | Income tax expense
|  | $ | (340 | ) |  | Net of tax
Total reclassifications for the period |  | $ | (340 | ) |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 7 for additional details).
|  | Nine Months Ended September 30, 2013 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | 7 |  |  | Net securities gains (losses)
on available-for-sale |  | (3 | ) |  | Income tax expense
securities |  | $ | 4 |  |  | Net of tax
Amortization of |  | $ | (1,486 | ) |  | (a)
retirement plan items |  | 594 |  |  | Income tax expense
|  | $ | (892 | ) |  | Net of tax
Total reclassifications for the period |  | $ | (888 | ) |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 7 for additional details).
|  | Three Months Ended September 30, 2012 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | 17 |  |  | Net securities gains (losses)
on available-for-sale |  | (7 | ) |  | Income tax expense
securities |  | $ | 10 |  |  | Net of tax
Amortization of |  | $ | (645 | ) |  | (a)
retirement plan items |  | 258 |  |  | Income tax expense
|  | $ | (387 | ) |  | Net of tax
Total reclassifications for the period |  | $ | (377 | ) |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 7 for additional details).
|  | Nine Months Ended September 30, 2012 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | 666 |  |  | Net securities gains (losses)
on available-for-sale |  | (267 | ) |  | Income tax expense
securities |  | $ | 399 |  |  | Net of tax
Amortization of |  | $ | (1,932 | ) |  | (a)
retirement plan items |  | 773 |  |  | Income tax expense
|  | $ | (1,159 | ) |  | Net of tax
Total reclassifications for the period |  | $ | (760 | ) |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 7 for additional details).

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss) with and without other than temporary impairment. + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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