Segment Information (Schedule Of Operating Results By Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 segments	Sep. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of Operating Segments			3
Net interest income	$ 56,709	$ 54,960	$ 167,750	$ 165,125
Provision for (recovery of) loan losses	4,501	2,498	1,016	3,500
Other income and security gains	19,396	17,396	55,715	55,499
Total other expense	46,903	44,715	142,797	137,383
Income (loss) before income taxes	24,701	25,143	79,652	79,741
Income Tax Expense (Benefit)	6,398	6,114	19,903	19,968
Net income	18,303	19,029	59,749	59,773
Assets	7,013,272	6,705,891	7,013,272	6,705,891	6,638,347
PNB [Member]
Segment Reporting Information [Line Items]
Net interest income	55,400	52,348	163,789	156,819
Provision for (recovery of) loan losses	6,527	6,339	8,070	11,591
Other income and security gains	18,415	16,756	53,027	53,164
Total other expense	40,923	39,860	125,213	120,592
Income (loss) before income taxes	26,365	22,905	83,533	77,800
Income Tax Expense (Benefit)	7,128	5,656	22,500	20,289
Net income	19,237	17,249	61,033	57,511
Assets	6,915,442	6,588,368	6,915,442	6,588,368
GFSC [Member]
Segment Reporting Information [Line Items]
Net interest income	1,838	2,204	5,679	6,575
Provision for (recovery of) loan losses	425	355	1,014	775
Other income and security gains		6	1	5
Total other expense	774	730	2,361	2,326
Income (loss) before income taxes	639	1,125	2,305	3,479
Income Tax Expense (Benefit)	223	394	807	1,218
Net income	416	731	1,498	2,261
Assets	41,104	50,047	41,104	50,047
SEPH [Member]
Segment Reporting Information [Line Items]
Net interest income	32	(462)	(261)	(1,464)
Provision for (recovery of) loan losses	(2,451)	(4,196)	(8,068)	(8,866)
Other income and security gains	892	525	2,605	2,001
Total other expense	3,332	2,270	9,266	9,523
Income (loss) before income taxes	43	1,989	1,146	(120)
Income Tax Expense (Benefit)	15	696	401	(42)
Net income	28	1,293	745	(78)
Assets	53,025	77,270	53,025	77,270
All Other [Member]
Segment Reporting Information [Line Items]
Net interest income	(561)	870	(1,457)	3,195
Provision for (recovery of) loan losses
Other income and security gains	89	109	82	329
Total other expense	1,874	1,855	5,957	4,942
Income (loss) before income taxes	(2,346)	(876)	(7,332)	(1,418)
Income Tax Expense (Benefit)	(968)	(632)	(3,805)	(1,497)
Net income	(1,378)	(244)	(3,527)	79
Assets	$ 3,701	$ (9,794)	$ 3,701	$ (9,794)