EMPLOYEE BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Components of the Net Periodic Benefit Cost

Components of the net periodic benefit cost for the three months ended March 31, 2016 (Successor Company), the period of February 1, 2015 to March 31, 2015 (Successor Company), and the period of January 1, 2015 to January 31, 2015 (Predecessor Company), are as follows:

	Successor Company										Predecessor Company
	For The Three Months Ended March 31, 2016					February 1, 2015 to March 31, 2015					January 1, 2015 to January 31, 2015
	Defined Benefit Pension Plan			Unfunded Excess Benefit Plan		Defined Benefit Pension Plan			Unfunded Excess Benefit Plan		Defined Benefit Pension Plan			Unfunded Excess Benefit Plan
	(Dollars In Thousands)										(Dollars In Thousands)
Service cost — benefits earned during the period	$	2,906		$	313	$	1,982		$	222	$	974		$	95
Interest cost on projected benefit obligation	2,737			438		1,622			272		1,002			140
Expected return on plan assets	(3,605		)	—		(2,428		)	—		(1,293		)	—
Amortization of prior service cost	—			—		—			—		(33		)	1
Amortization of actuarial losses	—			—		—			—		668			138
Total net periodic benefit costs	$	2,038		$	751	$	1,176		$	494	$	1,318		$	374