Allowance for Loan Losses (Past Due Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	$ 1,143	$ 9,706
60 to 89 Days Past Due	27,823	390
Greater than 90 Days	16,048	11,312
Total Past Due	45,014	21,408
Current	573,107	568,308
Total loans receivable	618,121	589,716
Loans Receivable > 90 Days and Accruing	202	748
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	772	8,662
60 to 89 Days Past Due	26,000	390
Greater than 90 Days	7,987	1,880
Total Past Due	34,759	10,932
Current	300,802	333,445
Total loans receivable	335,561	344,377
Construction and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
60 to 89 Days Past Due	261
Greater than 90 Days	1,342	4,022
Total Past Due	1,603	4,022
Current	25,056	31,039
Total loans receivable	26,659	35,061
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	86
Greater than 90 Days	4,693	4,673
Total Past Due	4,779	4,673
Current	98,989	82,995
Total loans receivable	103,768	87,668
Loans Receivable > 90 Days and Accruing		748
Owner occupied real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due	285	1,043
60 to 89 Days Past Due	1,562
Greater than 90 Days	968
Total Past Due	2,815	1,043
Current	123,427	101,734
Total loans receivable	126,242	102,777
Consumer and Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days Past Due		1
Greater than 90 Days	1,058	737
Total Past Due	1,058	738
Current	22,391	15,945
Total loans receivable	23,449	16,683
Loans Receivable > 90 Days and Accruing	202
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	2,442	3,150
Total loans receivable	$ 2,442	$ 3,150