EMPLOYEE BENEFIT PLANS - Options (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Number of Shares
Exercised (in shares)		1,198
Stock Options
Number of Shares
Outstanding at beginning of year (in shares)	89,275	61,681
Granted (in shares)	33,500	30,000
Exercised (in shares)		1,198
Outstanding at end of period (in shares)	122,775	89,275
Exercisable at end of period (in shares)	51,740	34,417
Aggregate intrinsic value of outstanding options at end of period (in shares)	$ 1,272,000	$ 438,000
Exercised (in dollars per share)		$ 9.48
Cancelled (in dollars per share)		9.90
Weighted Average Exercise Price
Outstanding at beginning of year (in dollars per share)	$ 14.02	12.13
Granted (in dollars per share)	19.40	17.55
Exercised (in dollars per share)		$ 9.48
Cancelled (in shares)		(1,208)
Outstanding at end of period (in dollars per share)	15.49	$ 14.02
Weighted average fair value of options granted during the period
Weighted average fair value of options granted during the period (in dollars per share)	$ 6.07	$ 5.91