Loans (Nonaccrual Loans) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	$ 18,302,000	$ 22,543,000
Accruing loans 90 days or more past due	0	0
Nonaccrual loans, interest income lost	1,800,000	1,800,000	1,700,000
Nonaccrual loans, interest income recorded	400,000	679,000	505,000
Current Payment Status [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans, current as to payment of principal and interest	2,700,000	1,600,000
Commercial Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	7,492,000	10,681,000
Commercial Construction and Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Commercial Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	1,291,000	4,412,000
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	8,315,000	6,158,000
Homeowner Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	0	0
Home Equity Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	469,000	840,000
Home Equity Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	687,000	371,000
Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	$ 48,000	$ 81,000