Loans - Loan Portfolio Segmented By Risk Class (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Subtotal	$ 965,026	$ 929,055
Less: Unearned origination fee, net of origination costs	(4,462)	(4,551)
Total loans	960,564	924,504
Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	936,373	901,911
Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	19,916	20,012
Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	8,737	7,132
Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Commercial
Financing Receivable, Recorded Investment [Line Items]
Subtotal	324,433	306,543
Commercial | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	307,514	291,020
Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	11,601	11,618
Commercial | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	5,318	3,905
Commercial | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Commercial | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Construction One-To- Four Family
Financing Receivable, Recorded Investment [Line Items]
Subtotal	41,272	34,842
Real Estate Construction One-To- Four Family | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	41,272	34,651
Real Estate Construction One-To- Four Family | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Construction One-To- Four Family | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	191
Real Estate Construction One-To- Four Family | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Construction One-To- Four Family | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Construction Other
Financing Receivable, Recorded Investment [Line Items]
Subtotal	92,382	91,195
Real Estate Construction Other | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	92,382	91,195
Real Estate Construction Other | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Construction Other | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Construction Other | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Construction Other | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Term Owner Occupied
Financing Receivable, Recorded Investment [Line Items]
Subtotal	109,967	109,472
Real Estate Term Owner Occupied | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	103,593	103,049
Real Estate Term Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	5,780	5,817
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	594	606
Real Estate Term Owner Occupied | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Term Owner Occupied | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Term Non-Owner Occupied
Financing Receivable, Recorded Investment [Line Items]
Subtotal	295,583	286,616
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	291,821	282,774
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	2,094	2,095
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	1,668	1,747
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Term Other
Financing Receivable, Recorded Investment [Line Items]
Subtotal	40,149	36,894
Real Estate Term Other | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	39,716	36,705
Real Estate Term Other | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	39
Real Estate Term Other | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	433	150
Real Estate Term Other | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Real Estate Term Other | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Consumer Secured By 1st Deed Of Trust
Financing Receivable, Recorded Investment [Line Items]
Subtotal	30,874	32,000
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	29,833	31,118
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	398	396
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	643	486
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Consumer Other
Financing Receivable, Recorded Investment [Line Items]
Subtotal	30,366	31,493
Consumer Other | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment [Line Items]
Subtotal	30,242	31,399
Consumer Other | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment [Line Items]
Subtotal	43	47
Consumer Other | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment [Line Items]
Subtotal	81	47
Consumer Other | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment [Line Items]
Subtotal	0	0
Consumer Other | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment [Line Items]
Subtotal	$ 0	$ 0