EMPLOYEE BENEFIT PLANS - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) age	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of consecutive years of service and average annual compensation on which benefits are based (in years)	5 years
Period of employment considered for benefit payments (in years)	10 years
Accumulated benefit obligation	$ 18,947	$ 20,296
Vesting period regarding employer contribution (in years)	5 years
Contribution expense	$ 230	171	$ 132
Period for which the Company will make payments under the Deferred Compensation Plan (in years)	10 years
Threshold age of employees under the plan for company to make payments | age	65
Expenses incurred related to the plan	$ 252	235	169
Benefits paid under the plan	103	$ 88	$ 57
Minimum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Expected contribution to Pension Plan	$ 500
Equity
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	62.00%
Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	15.00%
Inflation Hedges/Real Assets
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	10.00%
Hedged Strategies
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	10.00%
Cash
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation (as a percent)	2.50%