Loans and Allowance for Loan Losses (Nonperforming assets and classified loans) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Loans and Allowance for Loan Losses: [Abstract]
Loans past due in excess of 90 days and still accruing	$ 0		$ 0
Non-accrual loans	6,529		9,292
Total non-performing loans	6,529		9,292
Other real estate owned (“OREO”)	4,951		6,650
Total non-performing assets ('NPA's')	11,480		15,942
Classified loans	$ 24,933	[1]	$ 53,206	[1]

[1] Classified loan totals are inclusive of non-performing loans and may also include troubled debt restructured loans, depending on the grading of these restructured loans.