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Segment Information (Schedule Of Operating Results By Segment) (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 USD ($) | Sep. 30, 2016 USD ($) | Sep. 30, 2017 USD ($) segments | Sep. 30, 2016 USD ($) | Dec. 31, 2016 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |
Number of Operating Segments | segments |  |  | 3 |  |
Net interest income | $ 61,551,000 | $ 58,533,000 | $ 180,281,000 | $ 175,837,000 |
Provision for (recovery of) loan losses | 3,283,000 | (7,366,000) | 8,740,000 | (3,819,000) |
Other income and security gains | 22,089,000 | 20,535,000 | 58,847,000 | 56,660,000 |
Total other expense | 49,811,000 | 46,756,000 | 145,379,000 | 141,961,000 |
Income (loss) before income taxes | 30,546,000 | 39,678,000 | 85,009,000 | 94,355,000 |
Income Tax Expense (Benefit) | 8,434,000 | 12,229,000 | 23,598,000 | 28,222,000 |
Net Income | 22,112,000 | 27,449,000 | 61,411,000 | 66,133,000 |
Assets | 7,862,695,000 | 7,364,092,000 | 7,862,695,000 | 7,364,092,000 | $ 7,467,586,000
PNB [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | 59,415,000 | 57,033,000 | 174,717,000 | 170,194,000 |
Provision for (recovery of) loan losses | 3,820,000 | (3,345,000) | 9,114,000 | (450,000) |
Other income and security gains | 20,367,000 | 19,279,000 | 57,257,000 | 55,010,000 |
Total other expense | 45,987,000 | 42,327,000 | 133,667,000 | 126,418,000 |
Income (loss) before income taxes | 29,975,000 | 37,330,000 | 89,193,000 | 99,236,000 |
Income Tax Expense (Benefit) | 8,678,000 | 11,839,000 | 26,247,000 | 30,923,000 |
Net Income | 21,297,000 | 25,491,000 | 62,946,000 | 68,313,000 |
Assets | 7,788,248,000 | 7,287,923,000 | 7,788,248,000 | 7,287,923,000 |
GFSC [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | 1,455,000 | 1,472,000 | 4,424,000 | 4,416,000 |
Provision for (recovery of) loan losses | 609,000 | (313,000) | 1,419,000 | 1,658,000 |
Other income and security gains | 18,000 | (1,000) | 10,000 | (1,000) |
Total other expense | 734,000 | 800,000 | 2,295,000 | 3,632,000 |
Income (loss) before income taxes | 130,000 | 984,000 | 720,000 | (875,000) |
Income Tax Expense (Benefit) | 46,000 | 344,000 | 252,000 | (305,000) |
Net Income | 84,000 | 640,000 | 468,000 | (570,000) |
Assets | 33,260,000 | 32,759,000 | 33,260,000 | 32,759,000 |
SEPH [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | 401,000 | 8,000 | 884,000 | 1,240,000 |
Provision for (recovery of) loan losses | (1,146,000) | (3,708,000) | (1,793,000) | (5,027,000) |
Other income and security gains | 411,000 | 1,126,000 | 390,000 | 1,272,000 |
Total other expense | 996,000 | 1,789,000 | 3,010,000 | 4,525,000 |
Income (loss) before income taxes | 962,000 | 3,053,000 | 57,000 | 3,014,000 |
Income Tax Expense (Benefit) | 336,000 | 1,070,000 | 20,000 | 1,056,000 |
Net Income | 626,000 | 1,983,000 | 37,000 | 1,958,000 |
Assets | 25,377,000 | 36,938,000 | 25,377,000 | 36,938,000 |
All Other [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net interest income | 280,000 | 20,000 | 256,000 | (13,000) |
Other income and security gains | 1,293,000 | 131,000 | 1,190,000 | 379,000 |
Total other expense | 2,094,000 | 1,840,000 | 6,407,000 | 7,386,000 |
Income (loss) before income taxes | (521,000) | (1,689,000) | (4,961,000) | (7,020,000) |
Income Tax Expense (Benefit) | (626,000) | (1,024,000) | (2,921,000) | (3,452,000) |
Net Income | 105,000 | (665,000) | (2,040,000) | (3,568,000) |
Assets | $ 15,810,000 | $ 6,472,000 | $ 15,810,000 | $ 6,472,000 |

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