3. Loans, Credit Risk (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014
Credit risk profile
Total Loans	$ 660,477	$ 651,891	$ 618,040
Excellent Quality
Credit risk profile
Total Loans	15,976	17,255
High Quality
Credit risk profile
Total Loans	154,790	145,403
Good Quality
Credit risk profile
Total Loans	333,740	327,893
Management Attention
Credit risk profile
Total Loans	108,064	109,640
Watch
Credit risk profile
Total Loans	28,257	30,096
Substandard
Credit risk profile
Total Loans	19,650	21,600
Doubtful
Credit risk profile
Total Loans	0	0
Loss
Credit risk profile
Total Loans	0	4
Construction and land development
Credit risk profile
Total Loans	57,247	57,617
Single-family residential
Credit risk profile
Total Loans	207,113	206,417
Single-family residential - Banco de la Gente stated income
Credit risk profile
Total Loans	46,272	47,015
Commercial
Credit risk profile
Total Loans	227,471	228,558
Multifamily and Farmland
Credit risk profile
Total Loans	12,331	12,400
Commercial loans (not secured by real estate)
Credit risk profile
Total Loans	87,055	76,262
Farm loans (not secured by real estate)
Credit risk profile
Total Loans	5	7
Consumer loans (not secured by real estate)
Credit risk profile
Total Loans	9,857	10,060
All other loans (not secured by real estate)
Credit risk profile
Total Loans	13,126	13,555
Construction and land development
Credit risk profile
Total Loans	57,247	57,617	61,162
Construction and land development | Excellent Quality
Credit risk profile
Total Loans	0	0
Construction and land development | High Quality
Credit risk profile
Total Loans	7,768	6,741
Construction and land development | Good Quality
Credit risk profile
Total Loans	26,737	24,641
Construction and land development | Management Attention
Credit risk profile
Total Loans	12,918	13,013
Construction and land development | Watch
Credit risk profile
Total Loans	9,176	9,294
Construction and land development | Substandard
Credit risk profile
Total Loans	648	3,928
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	207,113	206,417	196,447
Single-family residential | Excellent Quality
Credit risk profile
Total Loans	13,705	15,099
Single-family residential | High Quality
Credit risk profile
Total Loans	76,955	74,367
Single-family residential | Good Quality
Credit risk profile
Total Loans	74,746	74,453
Single-family residential | Management Attention
Credit risk profile
Total Loans	29,884	30,954
Single-family residential | Watch
Credit risk profile
Total Loans	4,619	5,749
Single-family residential | Substandard
Credit risk profile
Total Loans	7,204	5,795
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	46,272	47,015	48,926
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	20,561	21,022
Single-family residential - Banco de la Gente stated income | Management Attention
Credit risk profile
Total Loans	12,714	12,721
Single-family residential - Banco de la Gente stated income | Watch
Credit risk profile
Total Loans	5,677	5,799
Single-family residential - Banco de la Gente stated income | Substandard
Credit risk profile
Total Loans	7,320	7,473
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
Credit risk profile
Total Loans	227,471	228,558	211,882
Commercial | Excellent Quality
Credit risk profile
Total Loans	0	0
Commercial | High Quality
Credit risk profile
Total Loans	38,374	39,888
Commercial | Good Quality
Credit risk profile
Total Loans	140,510	142,141
Commercial | Management Attention
Credit risk profile
Total Loans	38,734	36,433
Commercial | Watch
Credit risk profile
Total Loans	5,706	6,153
Commercial | Substandard
Credit risk profile
Total Loans	4,147	3,943
Commercial | Doubtful
Credit risk profile
Total Loans	0	0
Commercial | Loss
Credit risk profile
Total Loans	0	0
Multifamily and Farmland
Credit risk profile
Total Loans	12,331	12,400	11,566
Multifamily and Farmland | Excellent Quality
Credit risk profile
Total Loans	0	0
Multifamily and Farmland | High Quality
Credit risk profile
Total Loans	231	241
Multifamily and Farmland | Good Quality
Credit risk profile
Total Loans	8,978	8,376
Multifamily and Farmland | Management Attention
Credit risk profile
Total Loans	369	1,001
Multifamily and Farmland | Watch
Credit risk profile
Total Loans	2,653	2,672
Multifamily and Farmland | Substandard
Credit risk profile
Total Loans	100	110
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	87,055	76,262	65,456
Commercial loans (not secured by real estate) | Excellent Quality
Credit risk profile
Total Loans	1,026	924
Commercial loans (not secured by real estate) | High Quality
Credit risk profile
Total Loans	26,199	18,730
Commercial loans (not secured by real estate) | Good Quality
Credit risk profile
Total Loans	47,317	44,649
Commercial loans (not secured by real estate) | Management Attention
Credit risk profile
Total Loans	11,995	11,312
Commercial loans (not secured by real estate) | Watch
Credit risk profile
Total Loans	379	383
Commercial loans (not secured by real estate) | Substandard
Credit risk profile
Total Loans	139	264
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	5	7	16
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	5	7
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) | 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	9,857	10,060
Consumer loans (not secured by real estate) | Excellent Quality
Credit risk profile
Total Loans	1,245	1,232
Consumer loans (not secured by real estate) | High Quality
Credit risk profile
Total Loans	3,465	3,576
Consumer loans (not secured by real estate) | Good Quality
Credit risk profile
Total Loans	4,494	4,549
Consumer loans (not secured by real estate) | Management Attention
Credit risk profile
Total Loans	514	566
Consumer loans (not secured by real estate) | Watch
Credit risk profile
Total Loans	47	46
Consumer loans (not secured by real estate) | Substandard
Credit risk profile
Total Loans	92	87
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	0	4
All other loans (not secured by real estate)
Credit risk profile
Total Loans	13,126	13,555
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	1,798	1,860
All other loans (not secured by real estate) | Good Quality
Credit risk profile
Total Loans	10,392	8,055
All other loans (not secured by real estate) | Management Attention
Credit risk profile
Total Loans	936	3,640
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) | Doubtful
Credit risk profile
Total Loans	0	0
All other loans (not secured by real estate) | Loss
Credit risk profile
Total Loans	$ 0	$ 0