Loans (Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 11,683	$ 6,616
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,410	2,836
Recorded Investment	13,093	9,452
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	12,207	7,606
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,410	2,836
Unpaid Principal Balance	13,617	10,442
Related Allowance	659	1,181
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	12,977	6,939
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	1,466	3,080
Average Recorded Investment	14,443	10,019
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	510	135
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Interest Income Recognized	510	135
Commercial [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	53	327
Impaired Financing Receivable, with Related Allowance, Recorded Investment	427	185
Recorded Investment	53	512
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	53	327
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	427	185
Unpaid Principal Balance	53	512
Related Allowance	284	19
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	190	430
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	360	195
Average Recorded Investment	190	625
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	10	23
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Interest Income Recognized	10	23
Commercial [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	332	140
Impaired Financing Receivable, with Related Allowance, Recorded Investment	189	258
Recorded Investment	332	398
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	332	140
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	189	258
Unpaid Principal Balance	332	398
Related Allowance	160	20
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	328	153
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	206	258
Average Recorded Investment	328	411
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	26
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Interest Income Recognized	26
Commercial [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	981	908
Impaired Financing Receivable, with Related Allowance, Recorded Investment		68
Recorded Investment	1,408	976
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,064	908
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		68
Unpaid Principal Balance	1,491	976
Related Allowance	284	5
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,284	1,006
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		234
Average Recorded Investment	1,644	1,240
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	32
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Interest Income Recognized	32
Commercial [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		1,118
Impaired Financing Receivable, with Related Allowance, Recorded Investment		223
Recorded Investment	189	1,341
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		1,762
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		223
Unpaid Principal Balance	189	1,985
Related Allowance	160	212
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		1,221
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		233
Average Recorded Investment	206	1,454
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized		5
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Interest Income Recognized		5
Commercial [Member] | Asset Quality Rating - Loss [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment		446
Recorded Investment	470	446
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		446
Unpaid Principal Balance	470	446
Related Allowance		364
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		474
Average Recorded Investment	348	474
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Real Estate Construction One-To- Four Family [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	470
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	470
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	348
Real Estate Construction One-To- Four Family [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with Related Allowance, Recorded Investment	794
Recorded Investment	794
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	794
Unpaid Principal Balance	794
Related Allowance	215
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	900
Average Recorded Investment	900
Real Estate Construction Other [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	2,748
Recorded Investment	2,748
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	2,748
Unpaid Principal Balance	2,748
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,861
Average Recorded Investment	2,861
Real Estate Construction Other [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		1,349
Impaired Financing Receivable, with Related Allowance, Recorded Investment		1,006
Recorded Investment		2,355
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		1,527
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		1,006
Unpaid Principal Balance		2,533
Related Allowance		494
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		1,463
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		1,024
Average Recorded Investment		2,487
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Real Estate Term Owner Occupied [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,083
Recorded Investment	1,083
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,083
Unpaid Principal Balance	1,083
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,086
Average Recorded Investment	1,086
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	83
Interest Income Recognized	83
Real Estate Term Non-Owner Occupied [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		1,660
Impaired Financing Receivable, with Related Allowance, Recorded Investment		204
Recorded Investment		1,864
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		1,660
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		204
Unpaid Principal Balance		1,864
Related Allowance		5
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		1,513
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		215
Average Recorded Investment		1,728
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized		93
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Interest Income Recognized		93
Real Estate Term Non-Owner Occupied [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	555
Impaired Financing Receivable, with Related Allowance, Recorded Investment		446
Recorded Investment	555	446
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	555
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance		446
Unpaid Principal Balance	555	446
Related Allowance		62
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	581
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment		447
Average Recorded Investment	581	447
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	69
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized
Interest Income Recognized	69
Real Estate Term Non-Owner Occupied [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,705	479
Recorded Investment	1,705	479
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,705	479
Unpaid Principal Balance	1,705	479
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,785	499
Average Recorded Investment	1,785	499
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	141
Interest Income Recognized	141
Real Estate Term Other [Member] | Asset Quality Rating - Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	126	170
Recorded Investment	126	170
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	205	248
Unpaid Principal Balance	205	248
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	148	193
Average Recorded Investment	148	193
Real Estate Term Other [Member] | Asset Quality Rating - Substandard [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	3,379	162
Recorded Investment	3,379	162
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	3,659	162
Unpaid Principal Balance	3,659	162
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	4,072	154
Average Recorded Investment	4,072	154
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	144	9
Interest Income Recognized	144	9
Real Estate Term Other [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		154
Recorded Investment		154
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		244
Unpaid Principal Balance		244
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		205
Average Recorded Investment		205
Consumer Secured By 1st Deed Of Trust [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	93	97
Recorded Investment	93	97
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	93	97
Unpaid Principal Balance	93	97
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	95	49
Average Recorded Investment	95	49
Impaired Financing Receivable, with No Related Allowance, Interest Income Recognized	5	5
Interest Income Recognized	5	5
Consumer Other [Member] | Asset Quality Rating - Pass [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	158
Recorded Investment	158
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	240
Unpaid Principal Balance	240
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	199
Average Recorded Investment	199
Consumer Other [Member] | Asset Quality Rating - Doubtful [Member]
Financing Receivable, Impaired [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		52
Recorded Investment		52
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		52
Unpaid Principal Balance		52
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment		53
Average Recorded Investment		$ 53