5. INVESTMENT SECURITIES - Schedule of Fair Value and Gross Unrealized Losses on Investment Securities In A Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Less than 12 Months	$ 23,639	$ 56,999
Unrealized Losses, Less than 12 Months	176	512
Fair Value, 12 Months or More	13,507	16,705
Unrealized Losses, 12 Months or More	147	289
Fair Value, Total	37,146	73,074
Unrealized Losses, Total	323	801
US Government Agencies
Fair Value, Less than 12 Months	7,243	14,995
Unrealized Losses, Less than 12 Months	23	81
Fair Value, 12 Months or More	3,855	7,708
Unrealized Losses, 12 Months or More	35	128
Fair Value, Total	11,098	22,073
Unrealized Losses, Total	58	209
Taxable Municipals
Fair Value, Less than 12 Months	549	2,136
Unrealized Losses, Less than 12 Months	8	57
Fair Value, 12 Months or More	276	278
Unrealized Losses, 12 Months or More	2	4
Fair Value, Total	825	2,414
Unrealized Losses, Total	10	61
Corporate Bonds
Fair Value, Less than 12 Months	901	923
Unrealized Losses, Less than 12 Months	44	20
Fair Value, Total	901	923
Unrealized Losses, Total	44	20
Mortgage Backed Securities
Fair Value, Less than 12 Months	14,946	38,945
Unrealized Losses, Less than 12 Months	101	354
Fair Value, 12 Months or More	9,376	8,719
Unrealized Losses, 12 Months or More	110	157
Fair Value, Total	24,322	47,664
Unrealized Losses, Total	$ 211	$ 511