Loans Receivable and Allowance for Loan Losses (Past Due Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Past Due [Line Items]
30-59 Days Past Due	$ 380	$ 1,143
60 to 89 Days Past Due	7,401	27,823
Greater than 90 Days	7,495	16,048
Total Past Due	15,276	45,014
Current	635,313	573,107
Total loans receivable	650,589	618,121
Loans Receivable > 90 Days and Accruing	0	202
Commercial Real Estate [Member]
Financing Receivable, Past Due [Line Items]
30-59 Days Past Due	0	772
60 to 89 Days Past Due	3,463	26,000
Greater than 90 Days	987	7,987
Total Past Due	4,450	34,759
Current	324,036	300,802
Total loans receivable	328,486	335,561
Loans Receivable > 90 Days and Accruing	0	0
Construction and Land Development [Member]
Financing Receivable, Past Due [Line Items]
30-59 Days Past Due	0	0
60 to 89 Days Past Due	0	261
Greater than 90 Days	1,618	1,342
Total Past Due	1,618	1,603
Current	23,620	25,056
Total loans receivable	25,238	26,659
Loans Receivable > 90 Days and Accruing	0	0
Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
30-59 Days Past Due	0	86
60 to 89 Days Past Due	2,978	0
Greater than 90 Days	4,023	4,693
Total Past Due	7,001	4,779
Current	106,301	98,989
Total loans receivable	113,302	103,768
Loans Receivable > 90 Days and Accruing	0	0
Owner occupied Real Estate [Member]
Financing Receivable, Past Due [Line Items]
30-59 Days Past Due	340	285
60 to 89 Days Past Due	960	1,562
Greater than 90 Days	205	968
Total Past Due	1,505	2,815
Current	149,089	123,427
Total loans receivable	150,594	126,242
Loans Receivable > 90 Days and Accruing	0	0
Consumer and Other [Member]
Financing Receivable, Past Due [Line Items]
30-59 Days Past Due	40	0
60 to 89 Days Past Due	0	0
Greater than 90 Days	662	1,058
Total Past Due	702	1,058
Current	29,893	22,391
Total loans receivable	30,595	23,449
Loans Receivable > 90 Days and Accruing	0	202
Residential Mortgage [Member]
Financing Receivable, Past Due [Line Items]
30-59 Days Past Due	0	0
60 to 89 Days Past Due	0	0
Greater than 90 Days	0	0
Total Past Due	0	0
Current	2,374	2,442
Total loans receivable	2,374	2,442
Loans Receivable > 90 Days and Accruing	$ 0	$ 0