Loans (Schedule Of Loans Individually Evaluated For Impairment) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	$ 65,161	$ 56,164	$ 47,908
Without a related allowance, Unpaid Principal Balance	65,166	56,199	47,944
Without a related allowance, Average Impaired Balance	52,437	39,427	36,974
Without a related allowance, Interest Income Recognized while impaired	1,691	707	799
With a related allowance, Recorded Investment	32,829	23,623	31,095
With a related allowance, Unpaid Principal Balance	32,838	23,630	31,112
With a related allowance, Related Allowance	6,522	4,624	4,745
With a related allowance, Average Impaired Balance	25,439	13,138	18,514
With a related allowance, Interest Income Recognized while impaired	478	182	304
Recorded Investment	97,990	79,787	79,003
Unpaid Principal Balance	98,004	79,829	79,056
Related Allowance	6,522	4,624	4,745
Average Impaired Balance	77,876	52,565	55,488
Interest Income Recognized while impaired	2,169	889	1,103
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	5,938	614	2,074
Without a related allowance, Unpaid Principal Balance	5,947	615	2,076
Without a related allowance, Average Impaired Balance	1,818	603	874
Without a related allowance, Interest Income Recognized while impaired	47	4	10
With a related allowance, Recorded Investment	948	1,023	893
With a related allowance, Unpaid Principal Balance	948	1,023	893
With a related allowance, Related Allowance	254	423	247
With a related allowance, Average Impaired Balance	879	411	661
With a related allowance, Interest Income Recognized while impaired	4		1
Recorded Investment	66,713	55,550	55,595
Unpaid Principal Balance	66,706	55,572	55,634
Related Allowance	3,642	3,054	4,098
Average Impaired Balance	54,224	32,119	37,740
Interest Income Recognized while impaired	1,678	347	996
Owner-Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	12,893	6,991	9,013
Without a related allowance, Unpaid Principal Balance	12,872	7,007	9,034
Without a related allowance, Average Impaired Balance	9,778	6,141	8,132
Without a related allowance, Interest Income Recognized while impaired	359	84	253
With a related allowance, Recorded Investment	3,136	6,691	3,244
With a related allowance, Unpaid Principal Balance	3,136	6,694	3,244
With a related allowance, Related Allowance	53	844	465
With a related allowance, Average Impaired Balance	2,854	3,941	3,588
With a related allowance, Interest Income Recognized while impaired	156	71	143
Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	6,642	7,298	5,599
Without a related allowance, Unpaid Principal Balance	6,645	7,301	5,600
Without a related allowance, Average Impaired Balance	6,260	691	2,891
Without a related allowance, Interest Income Recognized while impaired	304	7	116
With a related allowance, Recorded Investment	3,341	5,952	4,190
With a related allowance, Unpaid Principal Balance	3,342	5,951	4,190
With a related allowance, Related Allowance	306	684	456
With a related allowance, Average Impaired Balance	3,350	2,491	3,357
With a related allowance, Interest Income Recognized while impaired	115	44	87
Land And Land Development [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	17,981	22,302	12,128
Without a related allowance, Unpaid Principal Balance	17,982	22,302	12,128
Without a related allowance, Average Impaired Balance	15,696	15,191	9,509
Without a related allowance, Interest Income Recognized while impaired	579	94	346
With a related allowance, Recorded Investment	15,834	4,679	17,719
With a related allowance, Unpaid Principal Balance	15,834	4,679	17,734
With a related allowance, Related Allowance	3,029	1,103	2,901
With a related allowance, Average Impaired Balance	13,589	2,650	8,726
With a related allowance, Interest Income Recognized while impaired	114	43	40
Construction [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment
Without a related allowance, Unpaid Principal Balance
Without a related allowance, Average Impaired Balance
Without a related allowance, Interest Income Recognized while impaired
With a related allowance, Recorded Investment			735
With a related allowance, Unpaid Principal Balance			735
With a related allowance, Related Allowance			29
With a related allowance, Average Impaired Balance			2
With a related allowance, Interest Income Recognized while impaired
Related Allowance
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	31,232	24,199	23,400
Unpaid Principal Balance	31,253	24,219	23,414
Related Allowance	2,876	1,558	646
Average Impaired Balance	23,626	20,446	17,748
Interest Income Recognized while impaired	490	542	107
Non-Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	3,810	5,095	3,697
Without a related allowance, Unpaid Principal Balance	3,819	5,108	3,708
Without a related allowance, Average Impaired Balance	3,164	4,178	2,843
Without a related allowance, Interest Income Recognized while impaired	140	62	68
With a related allowance, Recorded Investment	3,418	2,595	1,150
With a related allowance, Unpaid Principal Balance	3,421	2,596	1,152
With a related allowance, Related Allowance	1,095	691	209
With a related allowance, Average Impaired Balance	2,019	2,085	706
With a related allowance, Interest Income Recognized while impaired	57	23	31
Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	17,665	13,670	15,203
Without a related allowance, Unpaid Principal Balance	17,669	13,672	15,204
Without a related allowance, Average Impaired Balance	15,504	12,622	12,626
Without a related allowance, Interest Income Recognized while impaired	250	456
With a related allowance, Recorded Investment	5,979	2,298	2,943
With a related allowance, Unpaid Principal Balance	5,984	2,302	2,943
With a related allowance, Related Allowance	1,634	541	275
With a related allowance, Average Impaired Balance	2,583	1,350	1,349
With a related allowance, Interest Income Recognized while impaired	25
Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	191	194	194
Without a related allowance, Unpaid Principal Balance	191	194	194
Without a related allowance, Average Impaired Balance	191	1	99
Without a related allowance, Interest Income Recognized while impaired	11		6
With a related allowance, Recorded Investment	169	347	213
With a related allowance, Unpaid Principal Balance	169	347	213
With a related allowance, Related Allowance	147	326	162
With a related allowance, Average Impaired Balance	165	210	125
With a related allowance, Interest Income Recognized while impaired	7	1	2
Related Allowance
Consumer [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	41	38
Without a related allowance, Unpaid Principal Balance	41	38
Without a related allowance, Average Impaired Balance	26
Without a related allowance, Interest Income Recognized while impaired	1
With a related allowance, Recorded Investment	4		8
With a related allowance, Unpaid Principal Balance	4		8
With a related allowance, Related Allowance	4	12	1
With a related allowance, Average Impaired Balance
With a related allowance, Interest Income Recognized while impaired
Recorded Investment	45	38	8
Unpaid Principal Balance	45	38	8
Related Allowance	4	12	1
Average Impaired Balance	26
Interest Income Recognized while impaired	$ 1