10. FAIR VALUES - Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Net Loans	$ 470,522	$ 462,557
Time deposits	248,384	247,819
Fair Value, Estimate Not Practicable, Carrying (Reported) Amount [Member]
Net Loans	470,522	462,557
Time deposits	248,384	247,819
FHLB advances	8,458	13,758
Fair Value, Measurements, Recurring [Member]
Net Loans	475,354	467,707
Time deposits	247,909	247,258
FHLB advances	8,697	13,993
Fair Value, Inputs, Level 1 [Member]
Net Loans
Time deposits
FHLB advances
Fair Value, Inputs, Level 2 [Member]
Net Loans	462,479	453,858
Time deposits	247,909	247,258
FHLB advances	8,697	13,993
Fair Value, Inputs, Level 3 [Member]
Net Loans	$ 12,875	13,849
Time deposits
FHLB advances