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Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2012
Other Comprehensive Income (Loss) [Abstract] |
Schedule of components of other comprehensive income (loss) | Other comprehensive income (loss) components and related taxes are shown in the following table for the years ended December 31, 2012, 2011 and 2010.
Year ended December 31, (In thousands) |  | Before-Tax Amount |  | Tax Effect |  | Net-of-Tax Amount
2012: |  |  |  |  |  |
Unrealized losses on available-for-sale securities |  | $ | (4,702 | ) |  | $ | (1,645 | ) |  | $ | (3,057 | )
Unrealized net holding gain on cash flow hedge |  | 846 |  |  | 296 |  |  | 550 |
Changes in pension plan assets and benefit obligations recognized in other comprehensive income |  | (9,508 | ) |  | (3,328 | ) |  | (6,180 | )
Other comprehensive loss |  | $ | (13,364 | ) |  | $ | (4,677 | ) |  | $ | (8,687 | )
2011: |  |  |  |  |  |
Unrealized gains on available-for-sale securities |  | $ | 25,063 |  |  | $ | 8,772 |  |  | $ | 16,291 |
Reclassification adjustment for gains realized in net income |  | (28,829 | ) |  | (10,090 | ) |  | (18,739 | )
Unrealized net holding gain on cash flow hedge |  | 788 |  |  | 276 |  |  | 512 |
Changes in pension plan assets and benefit obligations recognized in other comprehensive income |  | (7,734 | ) |  | (2,707 | ) |  | (5,027 | )
Other comprehensive loss |  | $ | (10,712 | ) |  | $ | (3,749 | ) |  | $ | (6,963 | )
2010: |  |  |  |  |  |
Unrealized losses on available-for-sale securities |  | $ | (11,218 | ) |  | $ | (3,926 | ) |  | $ | (7,292 | )
Reclassification adjustment for gains realized in net income |  | (11,864 | ) |  | (4,152 | ) |  | (7,712 | )
Unrealized net holding loss on cash flow hedge |  | (151 | ) |  | (53 | ) |  | (98 | )
Changes in pension plan assets and benefit obligations recognized in other comprehensive income |  | (3,734 | ) |  | (1,307 | ) |  | (2,427 | )
Other comprehensive loss |  | $ | (26,967 | ) |  | $ | (9,438 | ) |  | $ | (17,529 | )
Schedule of components of accumulated other comprehensive income (loss) | The ending balance of each component of accumulated other comprehensive income (loss) was as follows as of December 31:
(In thousands) |  | 2012 |  | 2011
Pension benefit adjustments |  | $ | (27,134 | ) |  | $ | (20,954 | )
Unrealized net holding loss on cash flow hedge |  | — |  |  | (550 | )
Unrealized net holding gains on AFS securities |  | 9,616 |  |  | 12,673 |
Total accumulated other comprehensive loss |  | $ | (17,518 | ) |  | $ | (8,831 | )

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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=20435746&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of components of comprehensive income (loss) including, but not limited to: (a) foreign currency translation adjustments; (b) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (c) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (d) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (e) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (f) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (g) the net gain (loss) and net prior service cost or credit for pension plans 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 1 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e526-108580 + Details
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