EMPLOYEE BENEFIT PLANS - Allocation of Defined Benefit Plan Assets (Details) - Defined Benefit Pension Plan	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash and cash equivalents
Target Allocation for 2016 of plan assets of defined benefit pension plan by category
Target allocation for 2016 (as a percent)	2.00%
Equity securities
Target Allocation for 2016 of plan assets of defined benefit pension plan by category
Target allocation for 2016 (as a percent)	60.00%
Fixed income
Target Allocation for 2016 of plan assets of defined benefit pension plan by category
Target allocation for 2016 (as a percent)	38.00%
Successor
Target Allocation for 2016 of plan assets of defined benefit pension plan by category
Target allocation for 2016 (as a percent)	100.00%
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	100.00%
Successor | Cash and cash equivalents
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	2.00%
Successor | Equity securities
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	61.00%
Successor | Fixed income
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)	37.00%
Predecessor
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)		100.00%
Predecessor | Cash and cash equivalents
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)		4.00%
Predecessor | Equity securities
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)		62.00%
Predecessor | Fixed income
Allocation of plan assets of defined benefit pension plan by category
Total allocation (as a percent)		34.00%