EMPLOYEE BENEFITS - Nonvested Options (Details) - Employee And Directors Time Based Options - $ / shares	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Number of Options
Nonvested options, beginning balance (in shares)	400,774	209,260
Shares granted (in shares)	82,000	237,500
Shares forfeited (in shares)	(42,361)	(21,500)
Shares vested (in shares)	(55,400)	(24,486)
Nonvested options, ending balance (in shares)	385,013	400,774
Average Grant-Date Fair Value
Nonvested options, beginning balance (in dollars per share)	$ 4.86	$ 6.21
Shares granted (in dollars per share)	6.65	3.65
Shares forfeited (in dollars per share)	5.03	6.36
Shares vested (in dollars per share)	6.06	3.35
Nonvested options, ending balance (in dollars per share)	$ 5.05	$ 4.86