INVESTMENT SECURITIES - Gross Unrealized Gains (Losses) and Fair Value by Length of Time (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Investment securities
Fair Value, Less than Twelve Months	$ 41,796	$ 40,402
Gross Unrealized Losses, Less than Twelve Months	(930)	(878)
Fair value, Twelve Months or Greater	29,120	40,781
Gross Unrealized Losses, Twelve Months or Greater	(2,115)	(1,299)
Fair Value, Total	70,916	81,183
Gross Unrealized Losses, Total	(3,045)	(2,177)
U.S. Government and agency securities
Investment securities
Fair Value, Less than Twelve Months	0	0
Gross Unrealized Losses, Less than Twelve Months	0	0
Fair value, Twelve Months or Greater	3,549	3,841
Gross Unrealized Losses, Twelve Months or Greater	(37)	(112)
Fair Value, Total	3,549	3,841
Gross Unrealized Losses, Total	(37)	(112)
Mortgage-backed securities
Investment securities
Fair Value, Less than Twelve Months	6,081	6,741
Gross Unrealized Losses, Less than Twelve Months	(60)	(28)
Fair value, Twelve Months or Greater	0	0
Gross Unrealized Losses, Twelve Months or Greater	0	0
Fair Value, Total	6,081	6,741
Gross Unrealized Losses, Total	(60)	(28)
Asset-backed securities
Investment securities
Fair Value, Less than Twelve Months	1,626	0
Gross Unrealized Losses, Less than Twelve Months	(16)	0
Fair value, Twelve Months or Greater	314	519
Gross Unrealized Losses, Twelve Months or Greater	(4)	(3)
Fair Value, Total	1,940	519
Gross Unrealized Losses, Total	(20)	(3)
State and political securities
Investment securities
Fair Value, Less than Twelve Months	7,345	8,243
Gross Unrealized Losses, Less than Twelve Months	(47)	(14)
Fair value, Twelve Months or Greater	1,656	6,382
Gross Unrealized Losses, Twelve Months or Greater	(187)	(575)
Fair Value, Total	9,001	14,625
Gross Unrealized Losses, Total	(234)	(589)
Other debt securities
Investment securities
Fair Value, Less than Twelve Months	24,381	23,174
Gross Unrealized Losses, Less than Twelve Months	(530)	(718)
Fair value, Twelve Months or Greater	22,547	29,266
Gross Unrealized Losses, Twelve Months or Greater	(1,715)	(581)
Fair Value, Total	46,928	52,440
Gross Unrealized Losses, Total	(2,245)	(1,299)
Total debt securities
Investment securities
Fair Value, Less than Twelve Months	39,433	38,158
Gross Unrealized Losses, Less than Twelve Months	(653)	(760)
Fair value, Twelve Months or Greater	28,066	40,008
Gross Unrealized Losses, Twelve Months or Greater	(1,943)	(1,271)
Fair Value, Total	67,499	78,166
Gross Unrealized Losses, Total	(2,596)	(2,031)
Financial institution equity securities
Investment securities
Fair Value, Less than Twelve Months	0	407
Gross Unrealized Losses, Less than Twelve Months	0	(18)
Fair value, Twelve Months or Greater	53	0
Gross Unrealized Losses, Twelve Months or Greater	(14)	0
Fair Value, Total	53	407
Gross Unrealized Losses, Total	(14)	(18)
Other equity securities
Investment securities
Fair Value, Less than Twelve Months	2,363	1,837
Gross Unrealized Losses, Less than Twelve Months	(277)	(100)
Fair value, Twelve Months or Greater	1,001	773
Gross Unrealized Losses, Twelve Months or Greater	(158)	(28)
Fair Value, Total	3,364	2,610
Gross Unrealized Losses, Total	(435)	(128)
Total equity securities
Investment securities
Fair Value, Less than Twelve Months	2,363	2,244
Gross Unrealized Losses, Less than Twelve Months	(277)	(118)
Fair value, Twelve Months or Greater	1,054	773
Gross Unrealized Losses, Twelve Months or Greater	(172)	(28)
Fair Value, Total	3,417	3,017
Gross Unrealized Losses, Total	$ (449)	$ (146)