EMPLOYEE BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2017

Pension and Other Postretirement Benefit Expense [Abstract]

Components of the Net Periodic Benefit Cost of the Company's Defined Benefit Pension Plan and Unfunded Excess Benefit Plan

Components of the net periodic benefit cost of the Company's defined benefit pension plan for the three months ended March 31, 2017 and 2016, are as follows:

	For The Three Months Ended March 31,
	2017					2016
	Defined Benefit Pension Plan			Excess Benefit Plan		Defined Benefit Pension Plan			Excess Benefit Plan
	(Dollars In Thousands)
Service cost — benefits earned during the period	$	3,348		$	334	$	2,906		$	313
Interest cost on projected benefit obligation	2,191			297		2,737			438
Expected return on plan assets	(3,352		)	—		(3,605		)	—
Amortization of prior service cost	—			—		—			—
Amortization of actuarial losses	—			118		—			—
Preliminary net periodic benefit cost	2,187			749		2,038			751
Settlement/curtailment expense	—			—		—			—
Total net periodic benefit cost	$	2,187		$	749	$	2,038		$	751