Loans Receivable and Allowance for Loan Losses (Average Of Impaired Loans And Related Interest Income By Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Loans with no related allowance recorded: Average Recorded Investment	$ 11,360	$ 17,521	$ 11,398	$ 22,049
Impaired Loans with no related allowance recorded: Interest Income Recognized	100	192	316	654
Impaired Loans with an allowance recorded: Average Recorded Investment	20,255	9,038	20,879	11,926
Impaired Loans with an allowance recorded: Interest Income Recognized	23	61	101	223
Total Average Recorded Investment	31,615	26,559	32,277	33,975
Total Interest Income Recognized	123	253	417	877
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Loans with no related allowance recorded: Average Recorded Investment	6,578	12,063	6,682	15,865
Impaired Loans with no related allowance recorded: Interest Income Recognized	88	178	300	599
Impaired Loans with an allowance recorded: Average Recorded Investment	13,150	1,925	13,216	4,565
Impaired Loans with an allowance recorded: Interest Income Recognized	(3)	10	5	71
Total Average Recorded Investment	19,728	13,988	19,898	20,430
Total Interest Income Recognized	85	188	305	670
Construction and Land Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Loans with no related allowance recorded: Average Recorded Investment	229	1,421	563	2,217
Impaired Loans with no related allowance recorded: Interest Income Recognized	0	3	0	32
Impaired Loans with an allowance recorded: Average Recorded Investment	551	545	617	445
Impaired Loans with an allowance recorded: Interest Income Recognized	0	0	0	0
Total Average Recorded Investment	780	1,966	1,180	2,662
Total Interest Income Recognized	0	3	0	32
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Loans with no related allowance recorded: Average Recorded Investment	3,290	3,034	2,896	2,968
Impaired Loans with no related allowance recorded: Interest Income Recognized	10	7	11	18
Impaired Loans with an allowance recorded: Average Recorded Investment	2,851	3,392	3,691	3,628
Impaired Loans with an allowance recorded: Interest Income Recognized	0	14	0	42
Total Average Recorded Investment	6,141	6,426	6,587	6,596
Total Interest Income Recognized	10	21	11	60
Owner occupied Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Loans with no related allowance recorded: Average Recorded Investment	806	465	762	299
Impaired Loans with no related allowance recorded: Interest Income Recognized	2	4	4	4
Impaired Loans with an allowance recorded: Average Recorded Investment	3,686	3,013	3,304	3,201
Impaired Loans with an allowance recorded: Interest Income Recognized	26	37	96	110
Total Average Recorded Investment	4,492	3,478	4,066	3,500
Total Interest Income Recognized	28	41	100	114
Consumer and Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Loans with no related allowance recorded: Average Recorded Investment	457	538	495	700
Impaired Loans with no related allowance recorded: Interest Income Recognized	0	0	1	1
Impaired Loans with an allowance recorded: Average Recorded Investment	17	163	51	87
Impaired Loans with an allowance recorded: Interest Income Recognized	0	0	0	0
Total Average Recorded Investment	474	701	546	787
Total Interest Income Recognized	$ 0	$ 0	$ 1	$ 1