Loans Receivable and Allowance for Loan Losses (Impaired Loans By Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 15,256	$ 27,594
Impaired Loans with an allowance recorded: Recorded Investment	7,596	13,421
Total Recorded Investment	22,852	41,015
Impaired Loans with no related allowance: Unpaid Principal Balance	20,455	35,069
Impaired Loans with an allowance recorded: Unpaid Principal Balance	13,109	16,645
Total Unpaid Principal Balance	33,564	51,714
Impaired Loans with an allowance recorded: Related Allowance	1,619	2,943
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	10,161	19,231
Impaired Loans with an allowance recorded: Recorded Investment	606	6,085
Total Recorded Investment	10,767	25,316
Impaired Loans with no related allowance: Unpaid Principal Balance	10,281	20,000
Impaired Loans with an allowance recorded: Unpaid Principal Balance	606	6,085
Total Unpaid Principal Balance	10,887	26,085
Impaired Loans with an allowance recorded: Related Allowance	134	1,077
Construction and Land Development [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,025	3,153
Impaired Loans with an allowance recorded: Recorded Investment	593	593
Total Recorded Investment	1,618	3,746
Impaired Loans with no related allowance: Unpaid Principal Balance	4,244	6,312
Impaired Loans with an allowance recorded: Unpaid Principal Balance	3,700	3,700
Total Unpaid Principal Balance	7,944	10,012
Impaired Loans with an allowance recorded: Related Allowance	217	70
Commercial and Industrial [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,064	3,793
Impaired Loans with an allowance recorded: Recorded Investment	3,274	3,147
Total Recorded Investment	6,338	6,940
Impaired Loans with no related allowance: Unpaid Principal Balance	4,352	7,106
Impaired Loans with an allowance recorded: Unpaid Principal Balance	5,674	3,255
Total Unpaid Principal Balance	10,026	10,361
Impaired Loans with an allowance recorded: Related Allowance	815	861
Owner occupied Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	547	505
Impaired Loans with an allowance recorded: Recorded Investment	2,920	3,450
Total Recorded Investment	3,467	3,955
Impaired Loans with no related allowance: Unpaid Principal Balance	867	505
Impaired Loans with an allowance recorded: Unpaid Principal Balance	2,920	3,450
Total Unpaid Principal Balance	3,787	3,955
Impaired Loans with an allowance recorded: Related Allowance	444	860
Consumer and Other [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	459	912
Impaired Loans with an allowance recorded: Recorded Investment	203	146
Total Recorded Investment	662	1,058
Impaired Loans with no related allowance: Unpaid Principal Balance	711	1,146
Impaired Loans with an allowance recorded: Unpaid Principal Balance	209	155
Total Unpaid Principal Balance	920	1,301
Impaired Loans with an allowance recorded: Related Allowance	$ 9	$ 75