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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule Of Accumulated Other Comprehensive Income (Loss) | Accumulated other comprehensive loss included the following as of September 30, 2012, December 31, 2011, and September 30, 2011:
| September 30, 2012 |  | December 31, 2011 |  | September 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 | $ | 42,907 |  |  | $ | 17,019 |  |  | $ | 25,888 |  |  | $ | 26,565 |  |  | $ | 10,450 |  |  | $ | 16,115 |  |  | $ | 28,830 |  |  | $ | 11,340 |  |  | $ | 17,490 |
Funded status of defined benefit plan | (116,887 | ) |  | (45,773 | ) |  | (71,114 | ) |  | (125,255 | ) |  | (49,049 | ) |  | (76,206 | ) |  | (68,752 | ) |  | (26,923 | ) |  | (41,829 | )
Unrealized loss on cash flow hedge | (11,170 | ) |  | (4,410 | ) |  | (6,760 | ) |  | (10,714 | ) |  | (4,231 | ) |  | (6,483 | ) |  | (13,531 | ) |  | (5,343 | ) |  | (8,188 | )
Total | $ | (85,150 | ) |  | $ | (33,164 | ) |  | $ | (51,986 | ) |  | $ | (109,404 | ) |  | $ | (42,830 | ) |  | $ | (66,574 | ) |  | $ | (53,453 | ) |  | $ | (20,926 | ) |  | $ | (32,527 | )

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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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