EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year			$ 0
Pension Contributions			0		$ 0
Pension Expense	$ (225,000)	$ (300,000)	$ (450,000)	$ (600,000)