5. INVESTMENT SECURITIES - Amortized Cost and Fair Value Of Investment Securities Contractual Maturity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Investment securities activity
Due in one year or less, Amortized Cost	$ 1,243
Due after one year through five years, Amortized Cost	1,338
Due after five years through ten years, Amortized Cost	13,667
Due after ten years, Amortized Cost	68,278
Amortized Cost, Total	84,526
Due in one year or less, Fair Value	1,246
Due after one year through five years, Fair Value	1,342
Due after five years through ten years, Fair Value	13,714
Due after ten years, Fair Value	68,408
Approximate Fair Value	$ 84,710	$ 101,642
Due in one year or less, Weighted Average Yield	0.91%
Due after one year through five years, Weighted Average Yield	1.61%
Due after five years through ten years, Weighted Average Yield	2.08%
Due after ten years, Weighted Average Yield	1.96%
Weighted Average Yield, Total	1.96%