Loans and the Allowance for Loan Losses (Schedule of Troubled Debt Restructuring) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Financing Receivable, Impaired [Line Items]
Troubled debt restructurings: Number of Loans	3
Pre-restructuring Outstanding Recorded Investment	$ 2,293
Post-restructuring Outstanding Recorded Investment	1,063
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Troubled debt restructurings: Number of Loans	1
Pre-restructuring Outstanding Recorded Investment	225
Post-restructuring Outstanding Recorded Investment	225
Residential mortgage [Member]
Financing Receivable, Impaired [Line Items]
Troubled debt restructurings: Number of Loans	1
Pre-restructuring Outstanding Recorded Investment	714
Post-restructuring Outstanding Recorded Investment	699
Installment [Member]
Financing Receivable, Impaired [Line Items]
Troubled debt restructurings: Number of Loans	1
Pre-restructuring Outstanding Recorded Investment	1,354
Post-restructuring Outstanding Recorded Investment	$ 139