Loans, Impaired Loan (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Recorded Investment [Abstract]
Impaired loan, with no related allowance, recorded investment	$ 2,646	$ 2,277
Impaired loan, with an related allowance, recorded investment	2,825	3,752
Impaired loan, total, recorded investment	5,471	6,029
Unpaid Principal Balance [Abstract]
Impaired loan, with no related allowance, unpaid principal balance	2,726	2,285
Impaired loan, with an related allowance, unpaid principal balance	2,845	3,789
Impaired loan, total, unpaid principal balance	5,571	6,074
Related Allowance [Abstract]
Impaired loan, with no related allowance	0	0
Impaired loan, with related allowance	642	559
Impaired loan, total, related allowance	642	559
Average Recorded Investment [Abstract]
Impaired loan, with no related allowance, average recorded investment	2,825	2,864
Impaired loan, with related allowance, average recorded investment	2,853	2,768
Impaired loan, total, average recorded investment	5,678	5,632
Interest Income Recognized [Abstract]
Impaired loan, with no related allowance, interest income recognized	5	29
Impaired loan, with related allowance, interest income recognized	21	41
Impaired loan, total, interest income recognized	26	70
Commercial [Member]
Recorded Investment [Abstract]
Impaired loan, with no related allowance, recorded investment	24	19
Impaired loan, with an related allowance, recorded investment	0	0
Impaired loan, total, recorded investment	24	19
Unpaid Principal Balance [Abstract]
Impaired loan, with no related allowance, unpaid principal balance	24	19
Impaired loan, with an related allowance, unpaid principal balance	0	0
Impaired loan, total, unpaid principal balance	24	19
Related Allowance [Abstract]
Impaired loan, with no related allowance	0	0
Impaired loan, with related allowance	0	0
Impaired loan, total, related allowance	0	0
Average Recorded Investment [Abstract]
Impaired loan, with no related allowance, average recorded investment	16	20
Impaired loan, with related allowance, average recorded investment	0	0
Impaired loan, total, average recorded investment	16	20
Interest Income Recognized [Abstract]
Impaired loan, with no related allowance, interest income recognized	1	1
Impaired loan, with related allowance, interest income recognized	0	0
Impaired loan, total, interest income recognized	1	1
Construction and land development [Member]
Recorded Investment [Abstract]
Impaired loan, with no related allowance, recorded investment	298	18
Impaired loan, with an related allowance, recorded investment	600	1,468
Impaired loan, total, recorded investment	898	1,486
Unpaid Principal Balance [Abstract]
Impaired loan, with no related allowance, unpaid principal balance	338	18
Impaired loan, with an related allowance, unpaid principal balance	600	1,507
Impaired loan, total, unpaid principal balance	938	1,525
Related Allowance [Abstract]
Impaired loan, with no related allowance	0	0
Impaired loan, with related allowance	22	68
Impaired loan, total, related allowance	22	68
Average Recorded Investment [Abstract]
Impaired loan, with no related allowance, average recorded investment	609	261
Impaired loan, with related allowance, average recorded investment	604	1,551
Impaired loan, total, average recorded investment	1,213	1,812
Interest Income Recognized [Abstract]
Impaired loan, with no related allowance, interest income recognized	0	4
Impaired loan, with related allowance, interest income recognized	16	33
Impaired loan, total, interest income recognized	16	37
Commercial real estate [Member]
Recorded Investment [Abstract]
Impaired loan, with no related allowance, recorded investment	1,005	936
Impaired loan, with an related allowance, recorded investment	2,204	2,266
Impaired loan, total, recorded investment	3,209	3,202
Unpaid Principal Balance [Abstract]
Impaired loan, with no related allowance, unpaid principal balance	1,036	936
Impaired loan, with an related allowance, unpaid principal balance	2,224	2,264
Impaired loan, total, unpaid principal balance	3,260	3,200
Related Allowance [Abstract]
Impaired loan, with no related allowance	0	0
Impaired loan, with related allowance	616	488
Impaired loan, total, related allowance	616	488
Average Recorded Investment [Abstract]
Impaired loan, with no related allowance, average recorded investment	884	950
Impaired loan, with related allowance, average recorded investment	2,228	1,198
Impaired loan, total, average recorded investment	3,112	2,148
Interest Income Recognized [Abstract]
Impaired loan, with no related allowance, interest income recognized	4	13
Impaired loan, with related allowance, interest income recognized	4	7
Impaired loan, total, interest income recognized	8	20
Residential [Member]
Recorded Investment [Abstract]
Impaired loan, with no related allowance, recorded investment	880	880
Impaired loan, with an related allowance, recorded investment	4	0
Impaired loan, total, recorded investment	884	880
Unpaid Principal Balance [Abstract]
Impaired loan, with no related allowance, unpaid principal balance	889	888
Impaired loan, with an related allowance, unpaid principal balance	4	0
Impaired loan, total, unpaid principal balance	893	888
Related Allowance [Abstract]
Impaired loan, with no related allowance	0	0
Impaired loan, with related allowance	1	0
Impaired loan, total, related allowance	1	0
Average Recorded Investment [Abstract]
Impaired loan, with no related allowance, average recorded investment	891	1,200
Impaired loan, with related allowance, average recorded investment	4	0
Impaired loan, total, average recorded investment	895	1,200
Interest Income Recognized [Abstract]
Impaired loan, with no related allowance, interest income recognized	0	11
Impaired loan, with related allowance, interest income recognized	0	0
Impaired loan, total, interest income recognized	0	11
Home equity [Member]
Recorded Investment [Abstract]
Impaired loan, with no related allowance, recorded investment	434	424
Impaired loan, with an related allowance, recorded investment	0	0
Impaired loan, total, recorded investment	434	424
Unpaid Principal Balance [Abstract]
Impaired loan, with no related allowance, unpaid principal balance	434	424
Impaired loan, with an related allowance, unpaid principal balance	0	0
Impaired loan, total, unpaid principal balance	434	424
Related Allowance [Abstract]
Impaired loan, with no related allowance	0	0
Impaired loan, with related allowance	0	0
Impaired loan, total, related allowance	0	0
Average Recorded Investment [Abstract]
Impaired loan, with no related allowance, average recorded investment	421	433
Impaired loan, with related allowance, average recorded investment	0	0
Impaired loan, total, average recorded investment	421	433
Interest Income Recognized [Abstract]
Impaired loan, with no related allowance, interest income recognized	0	0
Impaired loan, with related allowance, interest income recognized	0	0
Impaired loan, total, interest income recognized	0	0
Consumer [Member]
Recorded Investment [Abstract]
Impaired loan, with no related allowance, recorded investment	5	0
Impaired loan, with an related allowance, recorded investment	17	18
Impaired loan, total, recorded investment	22	18
Unpaid Principal Balance [Abstract]
Impaired loan, with no related allowance, unpaid principal balance	5	0
Impaired loan, with an related allowance, unpaid principal balance	17	18
Impaired loan, total, unpaid principal balance	22	18
Related Allowance [Abstract]
Impaired loan, with no related allowance	0	0
Impaired loan, with related allowance	3	3
Impaired loan, total, related allowance	3	3
Average Recorded Investment [Abstract]
Impaired loan, with no related allowance, average recorded investment	4	0
Impaired loan, with related allowance, average recorded investment	17	19
Impaired loan, total, average recorded investment	21	19
Interest Income Recognized [Abstract]
Impaired loan, with no related allowance, interest income recognized	0	0
Impaired loan, with related allowance, interest income recognized	1	1
Impaired loan, total, interest income recognized	$ 1	$ 1