Loans (Nonaccrual and Past Due Loans) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	$ 13,638	$ 30,022
Accruing Loans 90 or More Days Past Due	185	0
Commercial Real Estate, Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	0	0
Accruing Loans 90 or More Days Past Due	0	0
Commercial Real Estate, Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	9,831	23,546
Accruing Loans 90 or More Days Past Due	0	0
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	9,831	23,546
Accruing Loans 90 or More Days Past Due	0	0
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	627	2,262
Accruing Loans 90 or More Days Past Due	181	0
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	3,136	3,865
Accruing Loans 90 or More Days Past Due	0	0
Home Equity Lines of Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	24	349
Accruing Loans 90 or More Days Past Due	0	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual Loans	20	0
Accruing Loans 90 or More Days Past Due	$ 4	$ 0