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Segment Information (Schedule Of Operating Results By Segment) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 USD ($) segments | Mar. 31, 2017 USD ($) | Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of Operating Segments | segments | 3 |  |
Net interest income | $ 64,850,000 | $ 58,952,000 |
Provision for (recovery of) loan losses | 260,000 | 876,000 |
Other income and security gains | 26,903,000 | 18,955,000 |
Total other expense | 54,308,000 | 48,910,000 |
Income (loss) before income taxes | 37,185,000 | 28,121,000 |
Income Tax Expense (Benefit) | 6,062,000 | 7,854,000 |
Net Income | 31,123,000 | 20,267,000 |
Assets | 7,518,970,000 | 7,744,690,000 | $ 7,537,620,000
PNB [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 61,441,000 | 57,480,000 |
Provision for (recovery of) loan losses | (67,000) | 720,000 |
Other income and security gains | 19,915,000 | 19,114,000 |
Total other expense | 49,001,000 | 45,206,000 |
Income (loss) before income taxes | 32,422,000 | 30,668,000 |
Income Tax Expense (Benefit) | 5,677,000 | 9,182,000 |
Net Income | 26,745,000 | 21,486,000 |
Assets | 7,455,518,000 | 7,667,288,000 |
GFSC [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 1,305,000 | 1,478,000 |
Provision for (recovery of) loan losses | 503,000 | 437,000 |
Other income and security gains | 30,000 | 16,000 |
Total other expense | 760,000 | 752,000 |
Income (loss) before income taxes | 72,000 | 305,000 |
Income Tax Expense (Benefit) | 15,000 | 107,000 |
Net Income | 57,000 | 198,000 |
Assets | 30,553,000 | 34,574,000 |
SEPH [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 1,877,000 | 201,000 |
Provision for (recovery of) loan losses | (176,000) | (281,000) |
Other income and security gains | 3,587,000 | 29,000 |
Total other expense | 2,025,000 | 805,000 |
Income (loss) before income taxes | 3,615,000 | (294,000) |
Income Tax Expense (Benefit) | 759,000 | (103,000) |
Net Income | 2,856,000 | (191,000) |
Assets | 27,726,000 | 24,727,000 |
All Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income | 227,000 | (207,000) |
Other income and security gains | 3,371,000 | (204,000) |
Total other expense | 2,522,000 | 2,147,000 |
Income (loss) before income taxes | 1,076,000 | (2,558,000) |
Income Tax Expense (Benefit) | (389,000) | (1,332,000) |
Net Income | 1,465,000 | (1,226,000) |
Assets | $ 5,173,000 | $ 18,101,000 |

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