EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Retirement Benefits [Abstract]
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year	$ 0
Payment for Pension Benefits	0		$ 0
Pension Cost (Reversal of Cost)	$ (156,000)	$ (319,000)