Loans (Details 5) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
With No Related Allowance Recorded [Abstract]
Recorded Investment	$ 9,199	$ 10,481
Unpaid Principal Balance	9,746	11,061
With Allowance Recorded [Abstract]
Recorded Investment	6,242	10,028
Unpaid Principal Balance	6,373	10,145
Related Allowance	335	851
Total [Abstract]
Recorded Investment	15,441	20,509
Unpaid Principal Balance	16,119	21,206
Related Allowance	335	851
Construction and Land Development [Member]
With Allowance Recorded [Abstract]
Recorded Investment	4,117
Unpaid Principal Balance	4,132
Related Allowance	86	2
Total [Abstract]
Recorded Investment	581	1,822
Unpaid Principal Balance	648	1,889
Related Allowance	86	2
Commercial [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	102	123
Unpaid Principal Balance	169	190
With Allowance Recorded [Abstract]
Recorded Investment	479	1,699
Unpaid Principal Balance	479	1,699
Related Allowance	9	2
Total [Abstract]
Recorded Investment	581	1,822
Unpaid Principal Balance	648	1,889
Related Allowance	9	2
Commercial Real Estate [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	3,723	3,484
Unpaid Principal Balance	3,723	3,484
With Allowance Recorded [Abstract]
Recorded Investment		6,168
Unpaid Principal Balance		6,183
Related Allowance	86	409
Total [Abstract]
Recorded Investment	7,840	9,652
Unpaid Principal Balance	7,855	9,667
Related Allowance	86	409
Owner Occupied [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	1,487	1,066
Unpaid Principal Balance	1,487	1,066
With Allowance Recorded [Abstract]
Recorded Investment	4,117	5,719
Unpaid Principal Balance	4,132	5,734
Related Allowance	86	383
Total [Abstract]
Recorded Investment	5,604	6,785
Unpaid Principal Balance	5,619	6,800
Related Allowance	86	383
Non-Owner Occupied [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	2,236	2,418
Unpaid Principal Balance	2,236	2,418
With Allowance Recorded [Abstract]
Recorded Investment	0	449
Unpaid Principal Balance	0	449
Related Allowance	0	26
Total [Abstract]
Recorded Investment	2,236	2,867
Unpaid Principal Balance	2,236	2,867
Related Allowance	0	26
Home equity lines [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	703	1,238
Unpaid Principal Balance	703	1,247
With Allowance Recorded [Abstract]
Related Allowance	0	0
Total [Abstract]
Recorded Investment	703	1,238
Unpaid Principal Balance	703	1,247
Related Allowance	0	0
Consumer Real Estate, Secured by 1-4 Family Residential [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment		6,184
Unpaid Principal Balance		6,467
With Allowance Recorded [Abstract]
Recorded Investment		2,025
Unpaid Principal Balance		2,025
Related Allowance		422
Total [Abstract]
Related Allowance		422
First Deed of Trust [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	3,514	3,984
Unpaid Principal Balance	3,518	3,988
With Allowance Recorded [Abstract]
Recorded Investment	1,550	1,775
Unpaid Principal Balance	1,550	1,775
Related Allowance	144	324
Total [Abstract]
Recorded Investment	5,064	5,759
Unpaid Principal Balance	5,068	5,763
Related Allowance	144	324
Second Deed of Trust [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	619	962
Unpaid Principal Balance	865	1,232
With Allowance Recorded [Abstract]
Recorded Investment	90	250
Unpaid Principal Balance	90	250
Related Allowance	90	98
Total [Abstract]
Recorded Investment	709	1,212
Unpaid Principal Balance	955	1,482
Related Allowance	90	98
Consumer Real Estate [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	4,836
Unpaid Principal Balance	5,086
With Allowance Recorded [Abstract]
Recorded Investment	1,640
Unpaid Principal Balance	1,640
Related Allowance	234	422
Total [Abstract]
Recorded Investment	6,476	8,209
Unpaid Principal Balance	6,726	8,492
Related Allowance	234	422
Commercial and industrial loans (except those secured by real estate) [Member]
With No Related Allowance Recorded [Abstract]
Recorded Investment	538	690
Unpaid Principal Balance	768	920
With Allowance Recorded [Abstract]
Recorded Investment	6	136
Unpaid Principal Balance	122	238
Related Allowance	6	18
Total [Abstract]
Recorded Investment	544	826
Unpaid Principal Balance	890	1,158
Related Allowance	$ 6	$ 18

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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-Paragraph 15
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