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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule Of Accumulated Other Comprehensive Income (Loss) | Accumulated other comprehensive income (loss) included the following as of March 31, 2012, December 31, 2011 and March 31, 2011:
| March 31, 2012 |  | December 31, 2011 |  | March 31, 2011
| Accumulated other comprehensive income (loss) |  | Deferred tax expense (benefit) |  | Accumulated other comprehensive income (loss), net of tax |  | Accumulated other comprehensive income (loss) |  | Deferred tax expense (benefit) |  | Accumulated other comprehensive income (loss), net of tax |  | Accumulated other comprehensive income (loss) |  | Deferred tax expense (benefit) |  | Accumulated other comprehensive income (loss), net of tax
Unrealized gains on investment securities available for sale | $ | 23,667 |  |  | $ | 9,327 |  |  | $ | 14,340 |  |  | $ | 26,565 |  |  | $ | 10,450 |  |  | $ | 16,115 |  |  | $ | 13,856 |  |  | $ | 5,223 |  |  | $ | 8,633 |
Funded status of defined benefit plan | (122,465 | ) |  | (47,957 | ) |  | (74,508 | ) |  | (125,255 | ) |  | (49,049 | ) |  | (76,206 | ) |  | (72,694 | ) |  | (28,859 | ) |  | (43,835 | )
Unrealized loss on cash flow hedge | (10,325 | ) |  | (4,077 | ) |  | (6,248 | ) |  | (10,714 | ) |  | (4,231 | ) |  | (6,483 | ) |  | (7,775 | ) |  | (3,070 | ) |  | (4,705 | )
Total | $ | (109,123 | ) |  | $ | (42,707 | ) |  | $ | (66,416 | ) |  | $ | (109,404 | ) |  | $ | (42,830 | ) |  | $ | (66,574 | ) |  | $ | (66,613 | ) |  | $ | (26,706 | ) |  | $ | (39,907 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References No definition available. + Details
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