Loans - Troubled Debt Restructured Loans (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	$ 3,616,000
Existing troubled debt restructurings	4,072,000
Total Modifications	7,688,000	7,900,000
Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	109,000
Commercial | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	339,000
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	48,000
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	2,088,000
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	913,000
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	119,000
Accrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	2,447,000
Existing troubled debt restructurings	2,905,000
Total Modifications	5,352,000
Accrual | Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	109,000
Accrual | Commercial | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	250,000
Accrual | Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	0
Accrual | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	2,088,000
Accrual | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	0
Accrual | Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	0
Nonaccrual
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	1,169,000
Existing troubled debt restructurings	1,167,000
Total Modifications	2,336,000
Nonaccrual | Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	0
Nonaccrual | Commercial | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	89,000
Nonaccrual | Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	48,000
Nonaccrual | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	0
Nonaccrual | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	913,000
Nonaccrual | Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Troubled debt restructuring recorded investment	$ 119,000