EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2016

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Schedule of Components of Net Periodic Benefit Cost

The net pension and postretirement benefit costs that have been recorded are shown in the following table:

	Pension						Postretirement
	Three Months Ended September 30,						Three Months Ended September 30,
	2016			2015			2016		2015
Components of Net Periodic Benefit Cost
Service cost		$327			$371			$2		$3
Interest cost	869			830			12		13
Expected return on plan assets	(1,008		)	(1,007		)	—		—
Amortization of prior service cost	—			3			—		—
Amortization of losses	632			950			—		3
Net periodic benefit cost		$820			$1,147			$14		$19

	Pension						Postretirement
	Nine Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Components of Net Periodic Benefit Cost
Service cost		$980			$1,113			$5			$8
Interest cost	2,606			2,489			36			39
Expected return on plan assets	(3,023		)	(3,020		)	—			—
Amortization of prior service cost	—			10			—			—
Amortization of losses (gains)	1,893			2,799			(12		)	9
Net periodic benefit cost		$2,456			$3,391			$29			$56