DEBT - Interest Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Debt Instrument [Line Items]
Amortization of deferred financing costs	$ 730	$ 688	$ 3,280	$ 1,410
Amortization of debt discount	132	0	327	0
Other, net	58	(19)	100	70
Interest expense	9,563	7,183	29,197	20,169
Senior Secured Revolving Credit Facility
Debt Instrument [Line Items]
Interest Expense, Debt	413	184	1,181	184
Term Loan B Facility
Debt Instrument [Line Items]
Interest Expense, Debt	3,700	3,858	13,119	3,858
Prior Revolving Credit Facility
Debt Instrument [Line Items]
Interest Expense, Debt	0	6	0	827
Senior Unsecured 10.25% Notes
Debt Instrument [Line Items]
Interest Expense, Debt	0	2,428	0	13,960
Senior Unsecured 8.875% Notes
Debt Instrument [Line Items]
Interest Expense, Debt	$ 4,646	$ 0	$ 11,390	$ 0