BASIS OF PRESENTATION - Debt Obligations (Details) (USD $)	3 Months Ended						3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Term Debt [Member]	Dec. 31, 2013 Term Debt [Member]	Mar. 31, 2014 Senior secured notes	Dec. 31, 2013 Senior secured notes	Mar. 31, 2013 Other operating income	Mar. 31, 2014 New Notes - 10.75% senior notes due 2018
Debt Instrument [Line Items]
Debt arrangements	$ 800,231,000	$ 339,837,000	$ 81,000,000	$ 85,500,000	$ 251,500,000	$ 251,500,000
Business interruption insurance proceeds recorded in income							4,800,000
Cash proceeds from business interruption insurance	4,600,000
Debt Instrument, Face Amount								$ 425,000,000
Stated interest rate (percent)			8.02%		10.75%			10.75%