LONG-TERM BORROWINGS - Long-term Borrowings with FHLB by Contractual Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	2.14%	2.65%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 90,625	$ 70,750
Outstanding amount of long-term borrowings with the FHLB by contractual maturities
2016	5,000
2017	45,000
2018	12,000
2019	7,292
Thereafter	21,333
Total	$ 90,625
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
2016 (as a percent)	0.75%
2017 (as a percent)	2.38%
2018 (as percent)	2.84%
2019 (as a percent)	1.55%
Thereafter (as percent)	1.75%
Weighted-Average Interest Rate (as a percent)	2.14%	2.65%
Variable
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	3.87%	3.90%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 30,000	$ 40,000
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	3.87%	3.90%
Variable | 2015
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	0.00%	3.97%
Stated Interest Rate Range From (as a percent)	3.97%	3.97%
Stated Interest Rate Range To (as a percent)	3.97%	3.97%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 0	$ 10,000
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	0.00%	3.97%
Variable | 2017
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	4.22%	4.22%
Stated Interest Rate Range From (as a percent)	4.15%	4.15%
Stated Interest Rate Range To (as a percent)	4.28%	4.28%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 20,000	$ 20,000
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	4.22%	4.22%
Variable | 2018
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	3.18%	3.18%
Stated Interest Rate Range From (as a percent)	3.18%	3.18%
Stated Interest Rate Range To (as a percent)	3.18%	3.18%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 10,000	$ 10,000
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	3.18%	3.18%
Fixed
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	1.28%	1.03%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 60,625	$ 30,750
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	1.28%	1.03%
Fixed | 2015
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	0.00%	6.92%
Stated Interest Rate Range From (as a percent)	6.92%	6.92%
Stated Interest Rate Range To (as a percent)	6.92%	6.92%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 0	$ 750
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	0.00%	6.92%
Fixed | 2016
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	0.75%	0.75%
Stated Interest Rate Range From (as a percent)	0.75447%	0.75447%
Stated Interest Rate Range To (as a percent)	0.75447%	0.75447%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 5,000	$ 5,000
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	0.75%	0.75%
Fixed | 2017
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	0.91%	0.91%
Stated Interest Rate Range From (as a percent)	0.896%	0.896%
Stated Interest Rate Range To (as a percent)	0.96549%	0.96549%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 25,000	$ 25,000
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	0.91%	0.91%
Fixed | 2018
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	1.13%	0.00%
Stated Interest Rate Range From (as a percent)	1.13354%
Stated Interest Rate Range To (as a percent)	1.13354%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 2,000	$ 0
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	1.13%	0.00%
Fixed | 2019
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	1.55%	0.00%
Stated Interest Rate Range From (as a percent)	1.54%
Stated Interest Rate Range To (as a percent)	1.55%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 7,292	$ 0
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	1.55%	0.00%
Fixed | 2020
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	1.70%	0.00%
Stated Interest Rate Range From (as a percent)	1.62%
Stated Interest Rate Range To (as a percent)	1.79%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 18,333	$ 0
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	1.70%	0.00%
Fixed | 2022
LONG-TERM BORROWINGS
Weighted-Average Interest Rate (as a percent)	2.04%	0.00%
Stated Interest Rate Range From (as a percent)	2.0421%
Stated Interest Rate Range To (as a percent)	2.0421%
Outstanding long-term borrowings with the FHLB by contractual maturities	$ 3,000	$ 0
Weighted-Average Rate of outstanding long-term borrowings with the FHLB by contractual maturities
Weighted-Average Interest Rate (as a percent)	2.04%	0.00%