LONG-TERM DEBT - Senior Unsecured Notes (Details) (USD $)	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2013 Senior Secured Notes 2013 9 3/4% Senior Unsecured Notes	Sep. 30, 2013 Senior Secured Notes 2013 9 3/4% Senior Unsecured Notes	Aug. 31, 2013 Senior Secured Notes 2013 9 3/4% Senior Unsecured Notes	Aug. 31, 2013 Senior Secured Notes 2012 10 1/2% Third Lien Senior Secured Notes	Dec. 31, 2013 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Sep. 30, 2013 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Aug. 31, 2013 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Mar. 06, 2012 Senior Subordinated Notes 2012 11 % Senior Subordinated Notes	Dec. 31, 2013 Senior Unsecured Notes 2013 9 3/4% Senior Unsecured Notes	Aug. 31, 2013 Senior Unsecured Notes 2013 9 3/4% Senior Unsecured Notes	Aug. 15, 2013 Senior Unsecured Notes 2013 9 3/4% Senior Unsecured Notes	Aug. 31, 2013 Senior Unsecured Notes 2012 11 % Senior Subordinated Notes
Debt Instrument [Line Items]
Loan face amount					$ 500,000,000					$ 344,200,000
Note stated interest rate					9.75%	10.50%	11.00%		11.00%	11.00%	9.75%
Repurchase amount									69,000,000					69,000,000
Redeemable rate												100.00%
Redeemable rate after cutoff										101.00%		101.00%
Redeemable rate upon certain conditions										100.00%			100.00%
Accrued interest	$ 32,634,000	$ 23,296,000	$ 18,400,000	$ 6,200,000			$ 8,900,000	$ 1,300,000