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Segment Information (Schedule Of Operating Results By Segment) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 segments | Jun. 30, 2012 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |  |  |
Number of Operating Segments |  |  | 3 |  |
Net interest income | $ 54,712 | $ 58,680 | $ 110,165 | $ 120,408 |
Provision for loan losses | 673 | 5,238 | 1,002 | 13,576 |
Other income and security gains | 19,298 | 17,508 | 38,103 | 34,961 |
Gain on sale of the Vision business | 0 |  | 0 | 22,167 |
Noninterest Expense | 46,570 | 45,804 | 92,668 | 94,274 |
Income (loss) before income taxes | 26,767 | 25,146 | 54,598 | 69,686 |
Income Tax Expense (Benefit) | 6,733 | 6,260 | 13,854 | 19,325 |
Net income | 20,034 | 18,886 | 40,744 | 50,361 |
Assets | 6,640,473 | 6,705,574 | 6,640,473 | 6,705,574 | 6,642,803
PNB [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | 51,736 | 56,022 | 104,471 | 111,868 |
Provision for loan losses | 2,122 | 3,756 | 5,252 | 8,428 |
Other income and security gains | 18,536 | 17,700 | 36,408 | 34,361 |
Noninterest Expense | 40,408 | 37,260 | 80,732 | 75,316 |
Income (loss) before income taxes | 27,742 | 32,706 | 54,895 | 62,485 |
Income Tax Expense (Benefit) | 7,420 | 9,223 | 14,633 | 17,441 |
Net income | 20,322 | 23,483 | 40,262 | 45,044 |
Assets | 6,519,766 | 6,535,709 | 6,519,766 | 6,535,709 |
GFSC [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | 2,238 | 2,305 | 4,371 | 4,516 |
Provision for loan losses | 210 | 200 | 420 | 450 |
Other income and security gains | (3) |  | (1) |  |
Noninterest Expense | 810 | 706 | 1,596 | 1,427 |
Income (loss) before income taxes | 1,215 | 1,399 | 2,354 | 2,639 |
Income Tax Expense (Benefit) | 425 | 490 | 824 | 924 |
Net income | 790 | 909 | 1,530 | 1,715 |
Assets | 50,307 | 48,763 | 50,307 | 48,763 |
SEPH [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | (347) | (1,125) | (1,002) | 1,485 |
Provision for loan losses | (1,659) | 1,282 | (4,670) | 4,698 |
Other income and security gains | 645 | (275) | 1,476 | 449 |
Gain on sale of the Vision business |  |  |  | 22,167 |
Noninterest Expense | 3,909 | 5,999 | 7,253 | 14,164 |
Income (loss) before income taxes | (1,952) | (8,681) | (2,109) | 5,239 |
Income Tax Expense (Benefit) | (683) | (3,041) | (738) | 1,820 |
Net income | (1,269) | (5,640) | (1,371) | 3,419 |
Assets | 78,993 | 140,051 | 78,993 | 140,051 |
All Other [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | 1,085 | 1,478 | 2,325 | 2,539 |
Provision for loan losses |  |  |  |  |
Other income and security gains | 120 | 83 | 220 | 151 |
Noninterest Expense | 1,443 | 1,839 | 3,087 | 3,367 |
Income (loss) before income taxes | (238) | (278) | (542) | (677) |
Income Tax Expense (Benefit) | (429) | (412) | (865) | (860) |
Net income | 191 | 134 | 323 | 183 |
Assets | $ (8,593) | $ (18,949) | $ (8,593) | $ (18,949) |

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