Loans - Troubled Debt Restructurings (Details) (USD $)	9 Months Ended
	Sep. 30, 2014 Contract	Dec. 31, 2013
Financing Receivable, Modifications [Line Items]
Number of Contracts	11
Pre-Modification Recorded Investment	$ 4,129,000
Post-Modification Recorded Investment	3,942,000
Existing Troubled Debt Restructuring	4,361,000
Loans classified as troubled debt restructuring	8,303,000	7,900,000
Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	256,000
Post-Modification Recorded Investment	253,000
Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	113,000
Post-Modification Recorded Investment	111,000
Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	3,760,000
Post-Modification Recorded Investment	3,578,000
Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Recorded Investment	113,000
Post-Modification Recorded Investment	111,000
Commercial | Asset Quality Rating - Special Mention | Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Commercial | Asset Quality Rating - Special Mention | Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Commercial | Asset Quality Rating - Special Mention | Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	113,000
Post-Modification Recorded Investment	111,000
Commercial | Asset Quality Rating - Special Mention | Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Commercial | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Recorded Investment	256,000
Post-Modification Recorded Investment	253,000
Commercial | Asset Quality Rating - Substandard | Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Commercial | Asset Quality Rating - Substandard | Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	256,000
Post-Modification Recorded Investment	253,000
Commercial | Asset Quality Rating - Substandard | Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Commercial | Asset Quality Rating - Substandard | Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Number of Contracts	2
Pre-Modification Recorded Investment	255,000
Post-Modification Recorded Investment	241,000
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard | Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard | Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard | Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard | Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	255,000
Post-Modification Recorded Investment	241,000
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Number of Contracts	3
Pre-Modification Recorded Investment	2,181,000
Post-Modification Recorded Investment	2,119,000
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention | Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention | Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention | Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention | Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	2,181,000
Post-Modification Recorded Investment	2,119,000
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Number of Contracts	3
Pre-Modification Recorded Investment	1,191,000
Post-Modification Recorded Investment	1,094,000
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard | Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard | Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard | Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard | Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	1,191,000
Post-Modification Recorded Investment	1,094,000
Real Estate Term Other | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Number of Contracts	1
Pre-Modification Recorded Investment	133,000
Post-Modification Recorded Investment	124,000
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard | Rate Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard | Term Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard | Payment Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	0
Post-Modification Recorded Investment	0
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard | Combination Modification
Financing Receivable, Modifications [Line Items]
Pre-Modification Recorded Investment	133,000
Post-Modification Recorded Investment	124,000
Loans with Accrual Status
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	2,483,000
Existing Troubled Debt Restructuring	4,170,000
Loans classified as troubled debt restructuring	6,653,000
Loans with Accrual Status | Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	111,000
Loans with Accrual Status | Commercial | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	253,000
Loans with Accrual Status | Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Accrual Status | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	2,119,000
Loans with Accrual Status | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Accrual Status | Real Estate Term Other | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Accrual Status | Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Non-Accrual Status
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	1,459,000
Existing Troubled Debt Restructuring	191,000
Loans classified as troubled debt restructuring	1,650,000
Loans with Non-Accrual Status | Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Non-Accrual Status | Commercial | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Non-Accrual Status | Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	241,000
Loans with Non-Accrual Status | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Non-Accrual Status | Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	1,094,000
Loans with Non-Accrual Status | Real Estate Term Other | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	0
Loans with Non-Accrual Status | Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Modifications [Line Items]
Post-Modification Recorded Investment	$ 124,000