3. Loans, Credit Risk (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Credit risk profile
Total Loans	$ 617,061	$ 619,974	$ 625,782
Excellent Quality
Credit risk profile
Total Loans	20,233	26,584
High Quality
Credit risk profile
Total Loans	114,403	105,018
Good Quality
Credit risk profile
Total Loans	305,592	289,097
Management Attention
Credit risk profile
Total Loans	112,591	128,867
Watch
Credit risk profile
Total Loans	32,207	31,414
Substandard
Credit risk profile
Total Loans	32,032	38,989
Low Substandard
Credit risk profile
Total Loans	0	0
Doubtful
Credit risk profile
Total Loans	0	0
Loss
Credit risk profile
Total Loans	3	5
Construction and land development
Credit risk profile
Total Loans	67,870	73,176
Single-family residential
Credit risk profile
Total Loans	191,338	195,003
Single-family residential - Banco de la Gente stated income
Credit risk profile
Total Loans	50,035	52,019
Commercial Real Estate
Credit risk profile
Total Loans	205,911	200,633
Multifamily and Farmland
Credit risk profile
Total Loans	11,541	8,951
Commercial loans (not secured by real estate)
Credit risk profile
Total Loans	64,957	64,295
Farm loans (not secured by real estate)
Credit risk profile
Total Loans	22	11
Consumer loans (not secured by real estate)
Credit risk profile
Total Loans	9,754	10,148
All other loans (not secured by real estate)
Credit risk profile
Total Loans	15,633	15,738
Construction and land development
Credit risk profile
Total Loans	67,870	73,176	80,733
Construction and land development \| Excellent Quality
Credit risk profile
Total Loans	8	11
Construction and land development \| High Quality
Credit risk profile
Total Loans	5,868	4,947
Construction and land development \| Good Quality
Credit risk profile
Total Loans	26,814	24,952
Construction and land development \| Management Attention
Credit risk profile
Total Loans	14,666	18,891
Construction and land development \| Watch
Credit risk profile
Total Loans	9,629	9,580
Construction and land development \| Substandard
Credit risk profile
Total Loans	10,885	14,795
Construction and land development \| Low Substandard
Credit risk profile
Total Loans	0	0
Construction and land development \| Doubtful
Credit risk profile
Total Loans	0	0
Construction and land development \| Loss
Credit risk profile
Total Loans	0	0
Single-family residential
Credit risk profile
Total Loans	191,338	195,003	197,043
Single-family residential \| Excellent Quality
Credit risk profile
Total Loans	18,693	24,662
Single-family residential \| High Quality
Credit risk profile
Total Loans	57,682	56,829
Single-family residential \| Good Quality
Credit risk profile
Total Loans	69,013	62,018
Single-family residential \| Management Attention
Credit risk profile
Total Loans	32,766	35,727
Single-family residential \| Watch
Credit risk profile
Total Loans	7,652	9,504
Single-family residential \| Substandard
Credit risk profile
Total Loans	5,532	6,263
Single-family residential \| Low Substandard
Credit risk profile
Total Loans	0	0
Single-family residential \| Doubtful
Credit risk profile
Total Loans	0	0
Single-family residential \| Loss
Credit risk profile
Total Loans	0	0
Single-family residential - Banco de la Gente stated income
Credit risk profile
Total Loans	50,035	52,019	52,124
Single-family residential - Banco de la Gente stated income \| Excellent Quality
Credit risk profile
Total Loans	0	0
Single-family residential - Banco de la Gente stated income \| High Quality
Credit risk profile
Total Loans	0	0
Single-family residential - Banco de la Gente stated income \| Good Quality
Credit risk profile
Total Loans	23,193	24,724
Single-family residential - Banco de la Gente stated income \| Management Attention
Credit risk profile
Total Loans	9,528	11,366
Single-family residential - Banco de la Gente stated income \| Watch
Credit risk profile
Total Loans	7,384	3,597
Single-family residential - Banco de la Gente stated income \| Substandard
Credit risk profile
Total Loans	9,930	12,332
Single-family residential - Banco de la Gente stated income \| Low Substandard
Credit risk profile
Total Loans	0	0
Single-family residential - Banco de la Gente stated income \| Doubtful
Credit risk profile
Total Loans	0	0
Single-family residential - Banco de la Gente stated income \| Loss
Credit risk profile
Total Loans	0	0
Commercial Real Estate
Credit risk profile
Total Loans	205,911	200,633	203,603
Commercial Real Estate \| Excellent Quality
Credit risk profile
Total Loans	0	0
Commercial Real Estate \| High Quality
Credit risk profile
Total Loans	37,940	27,511
Commercial Real Estate \| Good Quality
Credit risk profile
Total Loans	119,080	114,001
Commercial Real Estate \| Management Attention
Credit risk profile
Total Loans	39,925	47,603
Commercial Real Estate \| Watch
Credit risk profile
Total Loans	4,564	6,911
Commercial Real Estate \| Substandard
Credit risk profile
Total Loans	4,402	4,607
Commercial Real Estate \| Low Substandard
Credit risk profile
Total Loans	0	0
Commercial Real Estate \| Doubtful
Credit risk profile
Total Loans	0	0
Commercial Real Estate \| Loss
Credit risk profile
Total Loans	0	0
Multifamily and Farmland
Credit risk profile
Total Loans	11,541	8,951	4,964
Multifamily and Farmland \| Excellent Quality
Credit risk profile
Total Loans	0	0
Multifamily and Farmland \| High Quality
Credit risk profile
Total Loans	286	32
Multifamily and Farmland \| Good Quality
Credit risk profile
Total Loans	8,019	4,975
Multifamily and Farmland \| Management Attention
Credit risk profile
Total Loans	506	3,039
Multifamily and Farmland \| Watch
Credit risk profile
Total Loans	2,545	712
Multifamily and Farmland \| Substandard
Credit risk profile
Total Loans	185	193
Multifamily and Farmland \| Low Substandard
Credit risk profile
Total Loans	0	0
Multifamily and Farmland \| Doubtful
Credit risk profile
Total Loans	0	0
Multifamily and Farmland \| Loss
Credit risk profile
Total Loans	0	0
Commercial loans (not secured by real estate)
Credit risk profile
Total Loans	64,957	64,295	60,358
Commercial loans (not secured by real estate) \| Excellent Quality
Credit risk profile
Total Loans	361	672
Commercial loans (not secured by real estate) \| High Quality
Credit risk profile
Total Loans	6,755	9,260
Commercial loans (not secured by real estate) \| Good Quality
Credit risk profile
Total Loans	44,285	40,814
Commercial loans (not secured by real estate) \| Management Attention
Credit risk profile
Total Loans	12,408	11,844
Commercial loans (not secured by real estate) \| Watch
Credit risk profile
Total Loans	401	976
Commercial loans (not secured by real estate) \| Substandard
Credit risk profile
Total Loans	747	729
Commercial loans (not secured by real estate) \| Low Substandard
Credit risk profile
Total Loans	0	0
Commercial loans (not secured by real estate) \| Doubtful
Credit risk profile
Total Loans	0	0
Commercial loans (not secured by real estate) \| Loss
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate)
Credit risk profile
Total Loans	22	11	12
Farm loans (not secured by real estate) \| Excellent Quality
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate) \| High Quality
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate) \| Good Quality
Credit risk profile
Total Loans	22	11
Farm loans (not secured by real estate) \| Management Attention
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate) \| Watch
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate) \| Substandard
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate) \| Low Substandard
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate) \| Doubtful
Credit risk profile
Total Loans	0	0
Farm loans (not secured by real estate) \| Loss
Credit risk profile
Total Loans	0	0
Consumer loans (not secured by real estate)
Credit risk profile
Total Loans	9,754	10,148
Consumer loans (not secured by real estate) \| Excellent Quality
Credit risk profile
Total Loans	1,171	1,239
Consumer loans (not secured by real estate) \| High Quality
Credit risk profile
Total Loans	3,725	4,122
Consumer loans (not secured by real estate) \| Good Quality
Credit risk profile
Total Loans	4,041	4,186
Consumer loans (not secured by real estate) \| Management Attention
Credit risk profile
Total Loans	431	392
Consumer loans (not secured by real estate) \| Watch
Credit risk profile
Total Loans	32	134
Consumer loans (not secured by real estate) \| Substandard
Credit risk profile
Total Loans	351	70
Consumer loans (not secured by real estate) \| Low Substandard
Credit risk profile
Total Loans	0	0
Consumer loans (not secured by real estate) \| Doubtful
Credit risk profile
Total Loans	0	0
Consumer loans (not secured by real estate) \| Loss
Credit risk profile
Total Loans	3	5
All other loans (not secured by real estate)
Credit risk profile
Total Loans	15,633	15,738
All other loans (not secured by real estate) \| Excellent Quality
Credit risk profile
Total Loans	0	0
All other loans (not secured by real estate) \| High Quality
Credit risk profile
Total Loans	2,147	2,317
All other loans (not secured by real estate) \| Good Quality
Credit risk profile
Total Loans	11,125	13,416
All other loans (not secured by real estate) \| Management Attention
Credit risk profile
Total Loans	2,361	5
All other loans (not secured by real estate) \| Watch
Credit risk profile
Total Loans	0	0
All other loans (not secured by real estate) \| Substandard
Credit risk profile
Total Loans	0	0
All other loans (not secured by real estate) \| Low Substandard
Credit risk profile
Total Loans	0	0
All other loans (not secured by real estate) \| Doubtful
Credit risk profile
Total Loans	0	0
All other loans (not secured by real estate) \| Loss
Credit risk profile
Total Loans	$ 0	$ 0