3. Loans, Past Due (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Past due loans
Loans 30-89 Days Past Due	$ 7,740	$ 9,564
Loans 90 or More Days Past Due	395	1,244
Total Past Due Loans	8,135	10,808
Total Current Loans	815,422	793,215
Total loans	823,557	804,023	$ 765,824
Accruing Loans 90 or More Days Past Due	0	0
Construction and land development
Past due loans
Loans 30-89 Days Past Due	40	3
Loans 90 or More Days Past Due	0	0
Total Past Due Loans	40	3
Total Current Loans	95,179	94,175
Total loans	95,219	94,178
Accruing Loans 90 or More Days Past Due	0	0
Single-family residential
Past due loans
Loans 30-89 Days Past Due	4,331	4,162
Loans 90 or More Days Past Due	374	570
Total Past Due Loans	4,705	4,732
Total Current Loans	250,633	248,251
Total loans	255,338	252,983
Accruing Loans 90 or More Days Past Due	0	0
Single-family residential - Banco de la Gente stated income
Past due loans
Loans 30-89 Days Past Due	2,903	4,627
Loans 90 or More Days Past Due	0	580
Total Past Due Loans	2,903	5,207
Total Current Loans	30,814	29,054
Total loans	33,717	34,261
Accruing Loans 90 or More Days Past Due	0	0
Commercial
Past due loans
Loans 30-89 Days Past Due	0	228
Loans 90 or More Days Past Due	0	0
Total Past Due Loans	0	228
Total Current Loans	278,619	269,827
Total loans	278,619	270,055
Accruing Loans 90 or More Days Past Due	0	0
Multifamily and Farmland
Past due loans
Loans 30-89 Days Past Due	0	0
Loans 90 or More Days Past Due	0	0
Total Past Due Loans	0	0
Total Current Loans	39,106	33,163
Total loans	39,106	33,163
Accruing Loans 90 or More Days Past Due	0	0
Total real estate loans
Past due loans
Loans 30-89 Days Past Due	7,274	9,020
Loans 90 or More Days Past Due	374	1,150
Total Past Due Loans	7,648	10,170
Total Current Loans	694,351	674,470
Total loans	701,999	684,640
Accruing Loans 90 or More Days Past Due	0	0
Commercial loans (not secured by real estate)
Past due loans
Loans 30-89 Days Past Due	317	445
Loans 90 or More Days Past Due	12	90
Total Past Due Loans	329	535
Total Current Loans	101,243	96,930
Total loans	101,572	97,465
Accruing Loans 90 or More Days Past Due	0	0
Farm loans (not secured by real estate)
Past due loans
Loans 30-89 Days Past Due	50	0
Loans 90 or More Days Past Due	0	0
Total Past Due Loans	50	0
Total Current Loans	934	926
Total loans	984	926
Accruing Loans 90 or More Days Past Due	0	0
Consumer loans (not secured by real estate)
Past due loans
Loans 30-89 Days Past Due	99	99
Loans 90 or More Days Past Due	9	4
Total Past Due Loans	108	103
Total Current Loans	8,545	9,062
Total loans	8,653	9,165
Accruing Loans 90 or More Days Past Due	0	0
All other loans (not secured by real estate)
Past due loans
Loans 30-89 Days Past Due	0	0
Loans 90 or More Days Past Due	0	0
Total Past Due Loans	0	0
Total Current Loans	10,349	11,827
Total loans	10,349	11,827
Accruing Loans 90 or More Days Past Due	$ 0	$ 0