Loans - Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 10,101		$ 10,491
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	10,259		10,549
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,726		806
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,726		806
Related Allowance	416		75
Recorded Investment	12,827		11,297
Unpaid Principal Balance	12,985		11,355
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	11,382	5,261
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	155	109
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	2,529	970
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	6
Impaired Financing Receivable, Average Recorded Investment	13,911	6,231
Impaired Financing Receivable, Interest Income, Accrual Method	155	115
Commercial | Asset Quality Rating - Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	166		170
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	166		170
Related Allowance	0		0
Recorded Investment	166		170
Unpaid Principal Balance	166		170
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	168	132
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	3	1
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	185
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	6
Impaired Financing Receivable, Average Recorded Investment	168	317
Impaired Financing Receivable, Interest Income, Accrual Method	3	7
Commercial | Asset Quality Rating - Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,729		3,000
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,874		3,045
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,442
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,442
Related Allowance	361		75
Recorded Investment	5,171		3,806
Unpaid Principal Balance	5,316		3,851
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	3,040	393
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	29	4
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	2,245	600
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	5,285	993
Impaired Financing Receivable, Interest Income, Accrual Method	29	4
Real Estate Construction One-To- Four Family | Asset Quality Rating - Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	755
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	755
Related Allowance	0
Recorded Investment	755
Unpaid Principal Balance	755
Real Estate Construction One-To- Four Family | Asset Quality Rating - Special Mention
Financing Receivable, Impaired [Line Items]
Related Allowance			0
Recorded Investment			191
Unpaid Principal Balance			191
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	353
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	6
Impaired Financing Receivable, Average Recorded Investment	0	353
Impaired Financing Receivable, Interest Income, Accrual Method	0	6
Real Estate Construction One-To- Four Family | Asset Quality Rating - Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment			191
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance			191
Real Estate Construction Other | Asset Quality Rating - Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment			772
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance			772
Related Allowance			0
Recorded Investment			772
Unpaid Principal Balance			772
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	763	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	30	0
Impaired Financing Receivable, Average Recorded Investment	763	0
Impaired Financing Receivable, Interest Income, Accrual Method	30	0
Real Estate Construction Other | Asset Quality Rating - Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	823
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	30
Impaired Financing Receivable, Average Recorded Investment	0	823
Impaired Financing Receivable, Interest Income, Accrual Method	0	30
Real Estate Term Owner Occupied | Asset Quality Rating - Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	498		501
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	498		501
Related Allowance	0		0
Recorded Investment	498		501
Unpaid Principal Balance	498		501
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	499	511
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	12	11
Impaired Financing Receivable, Average Recorded Investment	499	511
Impaired Financing Receivable, Interest Income, Accrual Method	12	11
Real Estate Term Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	271		273
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	271		273
Related Allowance	0		0
Recorded Investment	271		273
Unpaid Principal Balance	271		273
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	272	281
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	5	6
Impaired Financing Receivable, Average Recorded Investment	272	281
Impaired Financing Receivable, Interest Income, Accrual Method	5	6
Real Estate Term Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	549		558
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	549		558
Related Allowance	0		0
Recorded Investment	549		558
Unpaid Principal Balance	549		558
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	640	869
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	9	13
Impaired Financing Receivable, Average Recorded Investment	640	869
Impaired Financing Receivable, Interest Income, Accrual Method	9	13
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	543		549
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	543		549
Related Allowance	0		0
Recorded Investment	543		549
Unpaid Principal Balance	543		549
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	546	618
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	19	19
Impaired Financing Receivable, Average Recorded Investment	546	618
Impaired Financing Receivable, Interest Income, Accrual Method	19	19
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,087		2,088
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,087		2,088
Related Allowance	0		0
Recorded Investment	2,087		2,088
Unpaid Principal Balance	2,087		2,088
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,175	979
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	44	15
Impaired Financing Receivable, Average Recorded Investment	2,175	979
Impaired Financing Receivable, Interest Income, Accrual Method	44	15
Real Estate Term Non-Owner Occupied | Asset Quality Rating - Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,668		1,709
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,668		1,709
Related Allowance	0		0
Recorded Investment	1,668		1,709
Unpaid Principal Balance	1,668		1,709
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,371	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	2,371	0
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Real Estate Term Other | Asset Quality Rating - Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	149		150
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	149		150
Impaired Financing Receivable, with Related Allowance, Recorded Investment	284
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	284
Related Allowance	55		0
Recorded Investment	433		150
Unpaid Principal Balance	433		150
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	150	154
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	3	3
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	284	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	434	154
Impaired Financing Receivable, Interest Income, Accrual Method	3	3
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Pass
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	81		82
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	81		82
Related Allowance	0		0
Recorded Investment	81		82
Unpaid Principal Balance	81		82
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	81	87
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	1	1
Impaired Financing Receivable, Average Recorded Investment	81	87
Impaired Financing Receivable, Interest Income, Accrual Method	1	1
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Special Mention
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment			448
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance			461
Consumer Secured By 1st Deed Of Trust | Asset Quality Rating - Substandard
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	605
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	618
Impaired Financing Receivable, with Related Allowance, Recorded Investment			806
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance			806
Related Allowance	0		75
Recorded Investment	605
Unpaid Principal Balance	618
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	677	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	185
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	677	185
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Consumer Other | Asset Quality Rating - Substandard
Financing Receivable, Impaired [Line Items]
Related Allowance			0
Recorded Investment			448
Unpaid Principal Balance			461
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	61
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	0	61
Impaired Financing Receivable, Interest Income, Accrual Method	$ 0	$ 0