SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of securities sold under agreements to repurchase [Abstract]
Maximum month-end balance	$ 32,145	$ 31,914	$ 32,701
Average balance during year	$ 30,236	$ 30,667	$ 31,102
Weighted-average interest rate at December 31	2.93%	2.82%	2.93%
Average interest rate paid during year	2.80%	2.77%	2.76%
Securities sold under agreements to repurchase	$ 43,856	$ 45,039
Excess collateral held	(15,403)	(15,387)
Securities sold under agreements to repurchase	28,453	29,652	$ 32,701
Overnight and Continuous
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	20,443	21,725
Up to 1 Year
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	10,955	0
1 - 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	12,458	10,545
3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	0	12,769
Obligations of U.S. Government and U.S. Government sponsored enterprises
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	23,267	36,641
Securities sold under agreements to repurchase		29,652
Obligations of U.S. Government and U.S. Government sponsored enterprises | Overnight and Continuous
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	12,163	21,056
Obligations of U.S. Government and U.S. Government sponsored enterprises | Up to 1 Year
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	1,781	0
Obligations of U.S. Government and U.S. Government sponsored enterprises | 1 - 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	9,323	6,990
Obligations of U.S. Government and U.S. Government sponsored enterprises | 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	0	8,595
Mortgage-backed securities, residential
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	20,589	8,350
Mortgage-backed securities, residential | Overnight and Continuous
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	8,280	669
Mortgage-backed securities, residential | Up to 1 Year
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	9,174	0
Mortgage-backed securities, residential | 1 - 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	3,135	3,507
Mortgage-backed securities, residential | 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase	$ 0	4,174
Collateralized mortgage obligations
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		48
Collateralized mortgage obligations | Overnight and Continuous
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		0
Collateralized mortgage obligations | Up to 1 Year
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		0
Collateralized mortgage obligations | 1 - 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		48
Collateralized mortgage obligations | 3 Years
Summary of securities sold under agreements to repurchase [Abstract]
Securities sold under agreements to repurchase		$ 0