Long-Term Debt (Details 1) (8.875% Senior Noted Due 2015 [Member])	3 Months Ended
	Mar. 31, 2012
8.875% Senior Noted Due 2015 [Member]
Redemption Price of Senior Notes in Long Term Debt
2011	104.438%
2012	102.219%
2013 and thereafter	100.00%