3. Loans (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Receivables [Abstract]
Percentage of construction and land development loans in Bank's loan portfolio	12.00%
Percentage of single-family residential loans in Bank's loan portfolio	35.00%
Percentage of Single-family residential - Banco de la Gente stated income loans in Bank's loan portfolio	4.00%
Percentage of commercial real estate loans in Bank's loan portfolio	34.00%
Percentage of commercial loans in Bank's loan portfolio	12.00%
Accruing impaired loans	$ 22,100	$ 23,800	$ 22,800
Interest income recognized on accruing impaired loans	342	352	1,342
Provision for loan losses	178	$ 31
TDR loans modified, past-due TDR loans and non-accrual TDR Loans	$ 35,000		$ 47,000