5. INVESTMENT SECURITIES - Amortized Cost and Fair Value Of Investment Securities Contractual Maturity (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Investment securities activity
Due in one year or less, Amortized Cost	$ 1,221
Due after one year through five years, Amortized Cost	656
Due after five years through ten years, Amortized Cost	12,836
Due after ten years, Amortized Cost	59,175
Amortized Cost, Total	73,888
Due in one year or less, Fair Value	1,225
Due after one year through five years, Fair Value	657
Due after five years through ten years, Fair Value	13,107
Due after ten years, Fair Value	59,572
Approximate Fair Value	$ 74,561	$ 101,642
Due in one year or less, Weighted Average Yield	0.91%
Due after one year through five years, Weighted Average Yield	0.179%
Due after five years through ten years, Weighted Average Yield	2.50%
Due after ten years, Weighted Average Yield	1.80%
Weighted Average Yield, Total	1.91%