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Accumulated Other Comprehensive Income (Tables) | 6 Months Ended
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Jun. 30, 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 June 30, 2012, December 31, 2011 and June 30, 2011:
| June 30, 2012 |  | December 31, 2011 |  | June 30, 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 | $ | 28,155 |  |  | $ | 11,082 |  |  | $ | 17,073 |  |  | $ | 26,565 |  |  | $ | 10,450 |  |  | $ | 16,115 |  |  | $ | 31,839 |  |  | $ | 12,528 |  |  | $ | 19,311 |
Funded status of defined benefit plan | (119,676 | ) |  | (46,865 | ) |  | (72,811 | ) |  | (125,255 | ) |  | (49,049 | ) |  | (76,206 | ) |  | (70,400 | ) |  | (27,568 | ) |  | (42,832 | )
Unrealized loss on cash flow hedge | (11,020 | ) |  | (4,351 | ) |  | (6,669 | ) |  | (10,714 | ) |  | (4,231 | ) |  | (6,483 | ) |  | (9,800 | ) |  | (3,870 | ) |  | (5,930 | )
Total | $ | (102,541 | ) |  | $ | (40,134 | ) |  | $ | (62,407 | ) |  | $ | (109,404 | ) |  | $ | (42,830 | ) |  | $ | (66,574 | ) |  | $ | (48,361 | ) |  | $ | (18,910 | ) |  | $ | (29,451 | )

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