SUBSEQUENT EVENTS (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	0 Months Ended		0 Months Ended					0 Months Ended			0 Months Ended
	May 04, 2013	May 21, 2013 Subsequent event	Jan. 23, 2013 2014 Notes	May 28, 2013 2014 Notes Subsequent event	May 28, 2013 Second Lien Senior Secured Notes due 2017 Subsequent event	May 13, 2013 Second Lien Senior Secured Notes due 2017 Subsequent event	May 13, 2013 Second Lien Senior Secured Notes due 2017 Subsequent event Maximum	May 28, 2013 2021 Notes	May 16, 2013 2021 Notes Subsequent event	May 28, 2013 2021 Notes Subsequent event	May 13, 2013 2021 Notes Subsequent event	May 28, 2013 2014 Notes and Second Lien Senior Secured Notes due 2017 Subsequent event
Subsequent Event
Quarterly cash dividend declared (in dollars per share)	$ 0.05	$ 0.05
Principal amount of debt repurchased that was not tendered					$ 85,000
Aggregate principal amount of outstanding debt for which the entity commenced tender offers							223,000
Stated interest rate (as a percent)			10.25%			10.625%		8.00%
Principal amount of debt under private offering									350,000		300,000
Increase in debt amount under private offering									50,000
Issue price (as a percent)									100.00%
Principal amount of debt issued								350,000		350,000
Redemption price (as a percent)												100.00%
Principal amount of debt repurchased pursuant to tender offers				$ 30,059	$ 187,706
Percentage of outstanding notes repurchased pursuant to tender offers				43.60%	56.90%